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Closed Kinematic Chain Leg Extension

•

Hip/Knee Extension - The quadriceps are

responsible for extension of the knee joint. The
gluteus maximus and hamstring are responsible
for hip extension. The hip-knee relationship in
closed kinematic chain extension represents an
indirect proportion. An increase in hip motion
will increase hip extensor work and proportion-
ally decrease knee extensor work, and vice
versa.

•

Knee Tracking - Functioning as a hinge, it is

imperative that the knee be directed toward the
toes when eccentrically flexing or concentrically
extending during closed chain movements.
Exactly which toe(s) the knee is to be directed
towards is dependent upon the anatomical
structure of the user. It is commonly suggested
that the knee track between the big and second
toes. However, if a marked Q-angle is noted,
tracking is recommended more toward the fifth
(little) toe. Comfort is also a factor in the decision.
Ultimately, once the proper tracking has been
determined, it must be monitored and
maintained throughout each repetition.

•

Range of Motion - The range of motion is limited by spinal alignment during eccentric

flexion and at full knee extension concentrically. Hyperextension of the knee is to be
avoided in closed chain leg work.

•

Associated Muscles - Hip adductor involvement varies with foot placement. As the feet are

placed wider and the knees track accordingly, hip adduction is increased.

MUSCLES TRAINED

CYBEX VR2 Owner’s Manual

Exercise
Page 3-2

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Содержание VR2

Страница 1: ...Cybex VR2 Owner s and Service Manual Strength Systems Part Number 54599 www cybexinternational com ...

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Страница 3: ...y time or to make changes to the product described within it without notice or obligation to notify any person of such revisions or changes Copyright 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Cybex International Inc All rights reserved Printed in the United States of America 10 Trotter Drive Medway MA 02053 508 533 4300 FAX 508 533 5183 www cybexinternational com Techhelp cybexintl com tec...

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Страница 5: ...9 Torso Rotation 4715 3 73 4 Customer Service Contacting Service 4 1 Ordering Parts 4 1 RMA 4 2 Damaged Parts 4 3 Table of Contents 5 Delivery Installation Delivery Inspection 5 1 Installation 5 1 Anchoring 5 2 Safety 5 2 Weight Stack Installation Instructions 6 Maintenance Daily Procedures 6 1 Weekly Procedures 6 3 Yearly Procedures 6 5 As Required Procedures 6 5 7 Service Grip and Belt Replaceme...

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Страница 7: ... position on in the machine to allow adjustment of the resistance from the exercise position Weight Stack Configuration All weight stacks shall have 12 1 2 pound weights except for the Standing Calf Raise Product No 4875 which shall have 20 pound weight plates Increment Weights All machines using weight stacks shall have a plastisol covered increment weight weighing half the amount of a weight sta...

Страница 8: ... Counter Balanced Input Arms Input arms on equipment shall be counter balanced where appropriate to eliminate the weight of the assembly from the weight selected by the user Handgrips Plate Loaded machines shall use a closed end PVC closed cell foam vinyl sleeve Select Plate Loaded shall use either Grabbaroo thermoplastic rubber extruded grip material that is non absorbing wear and tear resistant ...

Страница 9: ...ity Cushions come with replaceable slipcovers on all high use areas reducing maintenance expense by not having to replace the entire cushion Cushion foam consists of a combination of high and medium density closed cell Omalon polyurethane for durability and comfort Adjustments Recessed high contrast Lexan decal for all seat and pad adjustments for maximum readability Instructional Placard Shall pr...

Страница 10: ... integrity of the resistance profile RLD positions are 10 o apart with start and end phased by 5 o for maximum protection Prone Leg Curl Product No 4618 4617 4616 Machine Weight Weight Stack Size 484 lbs 205 lbs inches 37 W x 80 L x 61 H 220 kg 93 kg cm 94 W x 204 L x 155 H Incorporation of elbow pads and handles is more sanitary and encourages a neutral spine Advanced RLD design maintains integri...

Страница 11: ...hine Weight Weight Stack Size 683 lbs 405 lbs inches 43 W x 59 L x 61 H 310 kg 184 kg cm 110 W x 150 L x 155 H Footplate rotates through a natural arc keeping the foot in contact with the plate eliminating need to roll the foot over the edge of the plate A seated variable resistance exercise that eliminates the spinal compression found in the traditional standing units Sliding 5 LB increment weigh...

Страница 12: ...e Sliding 5 LB increment weights allow the user to fine tune resistance levels Single Axis Incline Press Product No 4511 Machine Weight Weight Stack Size 544 lbs 305 lbs inches 56 W x 51 L x 64 H 247 kg 139 kg cm 143 W x 130 L x 163 H The path of motion is comparable to a 30 o incline Overhead pivot geometry provides a more natural arc of motion Sliding 5 LB increment weights allow the user to fin...

Страница 13: ...vels Dual Axis Overhead Press Product No 4527 Machine Weight Weight Stack Size 542 lbs 205 lbs inches 55 W x 62 L x 61 H 246 kg 93 kg cm 140 W x 158 L x 155 H Counterbalanced input arms allow deconditioned users to develop overhead lifting strength Choice of grips includes a neutral position for individual preference and anatomical limitations Dual Axis Technology provides an innovative user defin...

Страница 14: ...ding 5 LB increment weights allow the user to fine tune resistance levels Lateral Raise Product No 4530 Machine Weight Weight Stack Size 439 lbs 205 lbs inches 40 W x 52 L x 67 H 199 kg 93 kg cm 101 W x 132 L x 170 H Horizontal input arms allow the user to vary position for better alignment of the middle deltoid against the resistance Elimination of the standard chest pad allows the user to lean f...

Страница 15: ...allow the user to fine tune resistance levels Back Extension Product No 4713 4712 4711 Machine Weight Weight Stack Size 606 lbs 305 lbs inches 41 W x 50 L x 61 H 275 kg 139 kg cm 105 W x 127 L x 155 H Provides exceptional alignment and comfort for users of all sizes promoting coordinated function of hip and lower back muscle consistent with proper lifting technique Advanced RLD design maintains in...

Страница 16: ...Cybex VR2 Owner s Manual Technical Specifications Page 1 10 This page intentionally left blank ...

Страница 17: ...se attention to the following Set up and alignment for each individual entry and exit from the unit Proper form Use of seat belts safety catches and other safety features To minimize the chance of injury Do not lean on the weight stack or other moving parts Keep clear of safety catches belts and pulleys Have a spotter present Exercise within physical capabilities and anatomical limitations Do not ...

Страница 18: ...series of motions Dynamic stabilizers maintain the relative positions of the segments preventing undesirable or unnecessary motions due to external forces as well as artifacts of internal forces May also refer to the concentric eccentric contractions of a muscle acting in a force couple to produce motion while maintaining a relatively fixed axis of rotation Adipose Tissue fat tissue Adduction move...

Страница 19: ...ective at performing a specified motion but does have a small degree of mechanical ability to help the prime mover There are many borderline cases Atrophy reduction in size of cells and tissues Axis of Rotation imaginary line or point which an object rotates Bilateral refers to both sides Biolocomotion a perspective description of the human body and its mechanics based upon locomotion All animals ...

Страница 20: ...it Training a type of conditioning program in which exercises are performed in sequence with little or no rest inbetween stations Closed Kinetic Chain Exercise a series of rigid links interconnected by a series of pin cen tered joints These are constructed so that motion at one joint will produce motion at all the joints in the system Closed chain exercises produce greater mechanical efficiency at...

Страница 21: ...ufacture of ATP Eversion movement of the sole of the foot outward opposite of inversion Extension movement about a joint in which bones on either side of the joint are brought away from each other bringing two parts into or towards a straight line increasing the angle of the joint Returning to anatomical position from a position of flexion in the sagittal plane External Force a push or pull on the...

Страница 22: ...tates in moving or lifting Hyperextension continuation of the movement of extension past the neutral position Hypertension a chronic elevation of arterial blood pressure which is a primary risk factor for coronary artery disease and stroke Hypertrophy increased cell size leading to increased tissue size Impulse the change in momentum This becomes a concern in weight training due to the possible ne...

Страница 23: ...of study that examines the forces that act on a system Kyphosis neutral normal sagittal curvature of the thoracic spine Excessive kyphosis is often accompanied by rounded shoulders Lactic Acid Lactate the temporary end product of anaerobic glucose metabolism glycolysis Lean Body Mass body weight minus body fat composed of muscle bone and other non fat tissue Lever a rigid bar that rotates around a...

Страница 24: ... a point between the two extremes of a joint s range of motion Obesity the clinical classification of a percent body fat greater than 25 males or 30 females Open Kinematic Chain the ends of the limbs or parts are free to move without causing motion at another joint Open chain motions are not predictable because the joints may function either independently or in unison Less mechanically efficient t...

Страница 25: ... with the palm facing down Protein an essential nutrient made up of amino acids The building block for tissues Proximal towards the attached end of the limb or origin Range of Motion ROM the amount of motion available to a joint measured in degrees within the anatomical limits of the joint structure Limits to range of motion also include physiological biomechanical and neural ROM can be classified...

Страница 26: ...ntary control Sliding Filament Theory a muscle shortens or lengthens due to the thick and thin myofibrils sliding past one another without the filaments changing length Slow twitch Fibers skeletal muscle fibers characterized by relatively slow contractile speeds and great capacity for the aerobic production of adenosine triphosphate ATP Sprain the permanent deformation of the structure due to exce...

Страница 27: ... joint structure wrist ankle subtalor designed for finely controlled movements Torque the ability of a force to produce movement around an axis Translatory Motion linear the movement of an object in a straight line Unilateral refers to only one side Vector typically represented by a drawn arrow representing a force s point of application action line or direction indicating pull or magnitude of for...

Страница 28: ...ingle Set Circuit Training Diary MACHINE Date Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps S e a t P a d ...

Страница 29: ...t Circuit Training Diary MACHINE Date Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps S e a t P a d NAME INSTRUCTOR ...

Страница 30: ...e Set Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps S e a t P a d 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 ...

Страница 31: ...e Set Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps Plates Reps S e a t P a d 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 ...

Страница 32: ... Adjustment is accomplished through the near effortless movement of the footplate By moving the footplate rather than the seat the legs are always traveling through the appropriate arc of motion with the appropriate resistance Seat Angle Adjustment The back of the seat adjusts to vary the hip position and motion Five positions are available in five degree increments The position of the seat is com...

Страница 33: ... directed towards is dependent upon the anatomical structure of the user It is commonly suggested that the knee track between the big and second toes However if a marked Q angle is noted tracking is recommended more toward the fifth little toe Comfort is also a factor in the decision Ultimately once the proper tracking has been determined it must be monitored and maintained throughout each repetit...

Страница 34: ...propriate resistance has been selected Body position and control of the motion should never be compro mised by excessive weight Position the feet approximately shoulder width with the toes and knees pointing slightly outward at the same angle Position the shoulders and hips pelvis against the back pad and maintain to eliminate spinal flexion The Motion Keeping the feet flat tighten the legs push t...

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Страница 36: ...he lever arm and the cam which is critical in maintaining the proper resistance variation through the chosen range Axis Alignment The axis or pivot point of the machine is properly positioned to allow alignment with the knee joints Back Pad The back pad is angled 100 degrees from the seat to allow for hamstring length Variable Resistance The cam provides increased resistance at the point in the ra...

Страница 37: ...curs or is prescribed range of motion is limited only by the user s ability to control the quads concentrically into full extension and eccentrically into flexion Full extension on the Leg Extension an open chain exercise does not place forces on the knee that furthers hyperextension as is the case in a closed chain exercise In full extension the least compressive force is placed on the patella As...

Страница 38: ...mpromised by excessive weight Position the thighs parallel to each other and relax the ankles Grip the handles to remain firmly against the seat and maintain proper posture The Motion Tighten the quadriceps and straighten the knees as far as possible NOTE Do not kick On the first repetition further align the knees by rotating the thighs to position the patella directly on top center of the knees M...

Страница 39: ...osition 1 Grasp pull pin pullbutton and pull 2 Move input arm to desired position 3 Lock pull pin into place Set Stop End Position 1 Grasp pull pin pullbutton and pull 2 Rotate stop to the desired end position 3 Lock pull pin into place Exercise Page 3 8 ...

Страница 40: ... through the chosen range Axis Alignment The axis or pivot point of the machine is properly positioned to allow alignment with the knee joints Hip Spinal Stabilization The increased angles of the trunk and thigh pads encourages hip and spinal stabilization dramatically Cervical Alignment The shortened trunk pad eliminates the cervical hyperextension and or rotation encouraged by the longer trunk p...

Страница 41: ...direction of resistance and the availability of hyperextension at the knee it is advised to limit the eccentric movement just short of full extension Flexion is only limited by concentric control Associated Muscles The gastrocnemius is an assistant mover for knee flexion It can be discouraged from use by attempting to completely relax the ankle muscles or by plantar flexing the ankle Plantar flexi...

Страница 42: ...osition and control of the motion should never be compromised by excessive weight Note the pivot point at the lower right corner of the thigh pad Align the knees with the pivot point while lying prone on the machine The top of the patella should be at the edge of the thigh pad With the ankles against the leg pad position the legs and feet parallel ankles neutral and relaxed or plantar flexed Grip ...

Страница 43: ...asp pull pin pullbutton and pull 2 Move input arm to desired position 3 Lock pull pin into place Set Stop End Position 1 Grasp pull pin pullbutton and pull 2 Rotate stop to the desired starting position 3 Lock pull pin into place Exercise Page 3 12 Stop RLD Pull Pin ...

Страница 44: ...n is useful in strengthening the hamstring at its greatest length This is often consid ered position length specific for goals such as rehab and sport and is ideal for general fit ness as well Axial Alignment The axis or pivot point of the machine is properly positioned to allow alignment with the knee joints Thigh Stabilization Femur stabilization is provided by a superiorly top positioned pad Th...

Страница 45: ...f hyperexten sion at the knee it is advised to limit the eccentric movement just short of full extension Due to the position of hip flexion near 90 degrees many users will not be able to achieve even this degree of extension eccentrically due to poor hamstring flexibility Resisted knee flexion is limited only by concentric control Associated Muscles The gastrocnemius is an assistant mover for knee...

Страница 46: ...y position and control of the motion should never be compromised by excessive weight Be seated with the lower leg resting upon the pad Lower the thigh stabilization pad across the quads snugly making sure that knee axis is also aligned with the machine pivot vertically If the knee does not fully extend while in this posi tion of hip flexion due to tight hamstrings or other complications lowering t...

Страница 47: ...sition 1 Grasp pull pin pullbutton and pull 2 Move input arm to desired position 3 Lock pull pin into place Set Stop End Position 1 Grasp pull pin pullbutton and pull 2 Rotate stop to the desired end position 3 Lock pull pin into place Exercise Page 3 16 ...

Страница 48: ...the joint With the hip positioned in 70 degrees of flexion the adductors magnus brevis and longus the gra cilis and the pectineus continue to be strong adduc tors The hamstrings are weaker associates in this role The functions of the tensor fasciae latae and gluteus minimus are altered from abductors to adductors due to the degree of hip flexion Conversely the obturator internus and quadratus femo...

Страница 49: ...quired for this adjustment Check the weight to insure that the appropriate resistance has been selected Body position and control of the motion should never be compromised by excessive weight Grasp the handles lightly The Motion Slowly move the knees toward the center With a smooth controlled motion slowly return toward the center without resting To exit the machine return the weights to resting p...

Страница 50: ...pounds in five pound increments The Abductors Hip Abduction With The Hip Flexed The movers of a joint with three degrees of freedom such as the hip often change roles or actions depending upon the starting position of the joint With the hip positioned in 70 degrees of flexion the gluteus maximus piriformis and obturator internus are the primary abductors Range of Motion In the erect position pure ...

Страница 51: ... this adjustment Check the weight to insure that the appropriate resistance has been selected Body position and control of the motion should never be compromised by excessive weight Grasp the handles lightly The Motion Slowly move the knees apart through a comfortable range With a smooth controlled motion slowly return toward the center without resting To exit the machine return the weights to res...

Страница 52: ...ves The top plate provides a minimum weight of ten pounds Subsequent plates in the weight stack are twenty pounds each Three slide on five pound incremental plates are securely positioned for easy access and effortless addition thereby providing 10 to 405 pounds in five pound increments The Calves Ankle Plantar Flexion The gastrocnemius and the soleus are responsible for plantar flexion of the ank...

Страница 53: ...mpromised by excessive weight Position the feet parallel at hip width with the ball of each foot securely on the plate toes near the top of the footplate The Motion Tighten the calf and press forward as far as possible without moving the knees Return to the starting position without resting and without changing the knee position For more stretch move the seat forward For more motion in plantar fle...

Страница 54: ...he traditional press to numerous other user friendly options including movement toward midline similar to dumbbell exercises Although the dual axis technology allows freedom within the proper plane of motion unwanted motion outside of that plane is safely eliminated by the machine allowing all effort to be directed toward the Pectoralis Major Variable Resistance A cam provides appropriately varyin...

Страница 55: ... front and horizontal abduction achieved through the eccentric action lowering of the weight is limited by mechanical disadvan tage at approximately 0 degrees upper arm straight out from the shoulder when pectoralis work is isolated as the goal Associated Muscles The anterior deltoid and coracobrachialis are also prime movers for the motion of horizontal adduction However by maintaining motion in ...

Страница 56: ...he chest The Motions IMPORTANT NOTE The dual axis technology is most effective and most comfortable when the fol lowing cues are given These brief instructions when properly given improve the motor learning process which is the key to the safe and effective performance of ANY exercise After only a few repetitions of each with a light weight the movement will be mastered The Basic Press Press the h...

Страница 57: ... resting The Stabilization Press Before pressing move the handles inward a few inches and maintain that width while pressing forward and during the return NOTE Each of the above is a valuable exercise within itself and can be used alone or in combinations CYBEX VR2 Owner s Manual ADVANCED MOVEMENT NOTE The resistance level utilized for this Advanced Movement will be significantly less than that fo...

Страница 58: ...by Fives The top plate provides a minimum weight of ten pounds Subsequent plates in the weight stack are twenty pounds each Three slide on five pound incremental plates are securely positioned for easy access and effortless addition thereby providing 10 to 305 pounds in five pound increments The Chest Horizontal Adduction The pectoralis major is primarily responsible for horizontal adduc tion of t...

Страница 59: ...y level goal fatigue or structural limitations as are often found in the shoulder joint Options range from the traditional press to numerous other user friendly options including movement toward midline similar to dumbbell exercises Although the dual axis technology allows freedom within the proper plane of motion unwanted motion outside of that plane is safely eliminated by the machine allowing a...

Страница 60: ...ns as are often found in the shoulder joint Options range from the traditional press to numerous other user friendly options including movement toward midline similar to dumbbell exercises Although the dual axis technology allows freedom within the proper plane of motion unwanted motion outside of that plane is safely eliminated by the machine allowing all effort to be directed toward the pectoral...

Страница 61: ...tained horizontal adduction is limited to approximately 90 degrees arm straight to the front and horizontal abduction achieved through the eccentric action lowering of the weight is limited by mechanical disadvan tage at approximately 0 degrees upper arm straight out from the shoulder when pectoralis work is isolated as the goal Associated Muscles The anterior deltoid and coracobrachialis are also...

Страница 62: ... The Motion IMPORTANT NOTE The dual axis technology is most effective and most comfortable when the fol lowing cues are given These brief instructions when properly given improve the motor learning process which is the key to the safe and effective performance of ANY exercise After only a few repetitions of each with a light weight the movement will be mastered The Basic Press Press the handles fo...

Страница 63: ... resting The Stabilization Press Before pressing move the handles inward a few inches and maintain that width while pressing forward and during the return NOTE Each of the above is a valuable exercise within itself and can be used alone or in combinations CYBEX VR2 Owner s Manual ADVANCED MOVEMENT NOTE The resistance level utilized for this Advanced Movement will be significantly less than that fo...

Страница 64: ...shoulder motion through the proper plane as well as the optimal position of neutral shoulder rotation Vertical or neutral handles are inappropriate for pec work as they encourage motionin the sagittal plane shoulder flexion Variable Resistance A cam provides appropriately varying resistance that is maximal at the end of the motion where the body s mechanical advantage increases 10 to 305 Pounds by...

Страница 65: ...r retraction when maintained creates the greatest possible force angles of the pec throughout the range of motion Range of Motion With scapular retraction maintained horizontal adduction is limited to approximately 90 degrees arm straight to the front and horizontal abduction achieved through the eccentric action lowering of the weight is limited by mechanical disadvan tage at approximately 0 degr...

Страница 66: ...at the appropriate resistance has been selected Body position and control of the motion should never be compro mised by excessive weight Grip the handles and position the elbows out to the side level with the handles Fully retract the scapula and maintain on all movements for the chest The Motion Press the handles forward with a smooth controlled motion and return slowly without resting Maintain t...

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Страница 68: ...nches to shoulder width Variable Resistance The machine provides maximum resistance at the beginning of motion and appropriately decreases the resistance to allow full contraction at the end Two Directions of Resistance The dual axis technology functions in the wide grip pulldown to not only provide resistance against the downward movement by pulling upward against you but also to provide resistan...

Страница 69: ...s per formed with shoulder motion With motion and resistance from overhead scapular depres sion is required For the arm to return to the starting position overhead the eccentric action of the lat must be accompanied by the scapular rotation of scapulohumeral rhythm Associated Muscles The lower fibers of the trapezius are responsible for scapular depression Slight retraction is always associated wi...

Страница 70: ...e hips and maintain Watch the handles to insure that they safely clear the head on the way down Depress the scapula pinch the shoulder blades down and back While maintaining the scapular position bring the handles toward the chest and arms down beside the body Slowly return to the starting position overhead by allowing the scapula to move as needed but with out resting Reset the scapula at the beg...

Страница 71: ...n back slightly at the hips Depress the scapula pinch the shoulder blades down and back Move the handles outward first then bring the arms down fully to your sides Keep the elbows directly beneath the hands throughout the entire range of motion Slowly return to the starting position overhead by allowing the scapula to move as needed but maintaining lateral resistance by not touching the handles to...

Страница 72: ...in the rear delt movement to not only provide resistance against the backward movement by pulling forward against you but also to provide resistance against the outward motion that is optimal at the begin ning of the movement by pushing the hands together By providing two directions of resis tance within the horizontal plane of motion posterior deltoid stimulation is increased and the elbow flexor...

Страница 73: ...ible for scapular retraction The posterior deltoid is an assistant mover for shoulder extension The long head of the triceps is also involved in shoulder extension although change in its length is limited when elbow flexion coincides with shoulder motion The biceps brachioradialis and brachialis are always involved in pulling movements as elbow flexion is required The degree of their individual in...

Страница 74: ...ion of the scapula in retraction The teres major and upper fibers of the latissimus dorsi are assistant movers for horizontal abduction The biceps brachioradialis and brachialis are always involved in pulling movements as elbow flexion is required The degree of their individual involvement depends upon radioulnar joint position The Motion The Row Grip the lower end of the vertical or parallel hand...

Страница 75: ...sition without resting maintaining scapular retraction REAR DELTOID MOVEMENT NOTE The resistance level utilized for the Rear Delt Movement will be significantly less than that for the Row Movement IMPORTANT NOTE The dual axis technology is most effective and most comfortable when the following cues are given These brief instructions when properly given improve the motor learning process which is t...

Страница 76: ...e latissimus dorsi is responsible for extension as well as adduction of the shoul der joint This machine is designed to resist shoulder extension from the front The lat is also involved in internal rotation of the shoul der however this is a mechanically weak motion and becomes the limiting factor in strength when combined with other motions The teres major works alongside the upper fibers of the ...

Страница 77: ...a must remain stabilized during shoulder joint motion If scapular movement occurs the resistance will move without change in the length of the rear delt minimizing effectiveness The teres minor and infraspinatus are also prime movers for horizontal abduction Range of Motion Horizontal abduction is limited concentrically at approximately 10 20 degrees posterior to the shoulder and eccentrically at ...

Страница 78: ...arallel handles Retract the scapula pinch the shoulder blades back and together While maintaining the scapular position and the chest on the pad bring the arms to your sides Slowly return to the starting position without resting If the scapular position changes reset the scapula refraction at the beginning of each repetition FINISH POSITION The Motion The Rear Delt Grip the horizontal handles Retr...

Страница 79: ...l goal fatigue or structural limitations as are often found in the shoulder joint Options range from the traditional press to numerous other user friendly options including movement toward midline similar to dumbbell exercises Although the dual axis technology allows freedom within the proper plane of motion unwanted motion outside of that plane is safely eliminated by the machine allowing all eff...

Страница 80: ...ral limitations as are often found in the shoulder joint Options range from the traditional press to numerous other user friendly options including movement toward midline similar to dumbbell exercises Although the dual axis technology allows freedom within the proper plane of motion unwanted motion outside of that plane is safely eliminated by the machine allowing all effort to be directed toward...

Страница 81: ...oulder joint Range of Motion Full normal abduction or flexion begins with the arm at the side in 0 degrees and ends in a vertical position overhead at 180 degrees As the arm moves overhead the direction of travel arcs upward then inward toward the head Associated Muscles Collectively the scapular muscles are involved in the scapular rotation that is key to scapulohumeral rhythm This combined motio...

Страница 82: ... repetitions of each with a light weight the movement will be mastered The Basic Press Press the handles upward with a smooth controlled motion and return slowly without resting keeping the elbows directly below the hands at the bottom of each repetition The Overhead Fly While in the fully pressed position with the arms straight move the handles directly toward each other While keeping the arms st...

Страница 83: ... position without resting The Stabilization Press Before pressing move the handles inward a few inches and maintain that width while pressing upward and during the return NOTE Each of the above is a valuable exercise within itself and can be used alone or in combinations ADVANCED MOVEMENT NOTE The resistance level utilized for this Advanced Movement will be significantly less than that for the Bas...

Страница 84: ...weight of ten pounds Subsequent plates in the weight stack are twenty pounds each Three slide on five pound incremental plates are securely positioned for easy access and effortless addition thereby providing 10 to 205 pounds in five pound increments The Shoulders Flexion Abduction in External Rotation The anterior deltoid is primarily responsible for flexion of the shoulder joint as well as abduc...

Страница 85: ...s as elbow extension is required Due to the external ly rotated position the posterior deltoid plays a stabilizing role at best and in many shoulder structures would prove to be an antagonist to overhead movements The Positioning Adjust the seat to align the handles with the top of the shoulders Check the weight to insure that the appropriate resistance has been selected Body position and control ...

Страница 86: ... Subsequent plates in the weight stack are twenty pounds each Three slide on five pound incremental plates are securely positioned for easy access and effortless addition thereby providing 10 to 305 pounds in five pound increments CYBEX VR2 Owner s Manual The Latissimus Dorsi Extension Adduction The latissimus dorsi is responsible for extension as well as adduction of the shoulder joint The lat is...

Страница 87: ...as the lower fibers of the trapezius angle downward and toward midline attaching on the spine The long head of the triceps is involved in shoulder extension and adduction although change in its length is limited when elbow flexion coincides with shoulder motion The biceps brachioradialis and brachialis are always involved in pulling movements as elbow flexion is required The degree of their indivi...

Страница 88: ... 2 it eliminates the need to perfectly align the primary pivots with the user s shoulder width a design and manufacturing challenge that is virtually impossible due to the variety of user sizes and 3 it eliminates the discomfort and limitations associated with the spectrum of user arm lengths and chest thicknesses Variable Resistance The cam provides appropriately varying resistance that matches t...

Страница 89: ...the greatest possible force angles of the pectoralis major throughout the range of motion Range of Motion With scapular retraction maintained horizontal adduction is limited to approximately 90 degrees humerus straight to the foot While maintaining 90 degrees of external rotation horizontal abduction achieved through the eccentric lowering of the weight or return to the starting position is limite...

Страница 90: ...ed Body position and control of the motion should never be compromised by excessive weight Grip the handles and position the forearms on the pads by moving the lever arms inward to a com fortable width Retract the scapulae Monitor and maintain this position on all movements for the chest The Motion Tighten the chest and slowly bring the handles together in front without changing the position of th...

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Страница 92: ... of ten pounds Subsequent plates in the stack are twenty pounds each Three slide on five pound increment plates are securely positioned for Easy access and effortless addition thereby providing 10 to 205 pounds in Five pound increments The Shoulders Abduction The lateral deltoid is responsible for abduction of the shoulder joint Scapular Retraction The position of slight scapular retraction when m...

Страница 93: ...ghtly posterior of center with the path of motion of the machine Exercise Page 3 62 CYBEX VR2 Owner s Manual START POSITION The Motion Grip the handles lightly and allow your upper arm to maintain a vertical position perpendicular with the machine arms Choose either to maintain slight scapular retraction of allow functional motion raise elbows to a level at or near shoulder height using smooth con...

Страница 94: ...sy access and effortless addition thereby providing 10 to 205 pounds in five pound increments The Biceps Elbow Flexion The triceps brachii is responsible for extension of the elbow joint as well as supination of the radioulnar joint The biceps are most effective at performing elbow flexion when the position of full supination is maintained throughout the entire range of motion The biceps also cros...

Страница 95: ...ders press the upper arms firmly into the pad and elevate the elbows slightly The Motion Tighten the biceps and flex the elbows as far as possible without raising the elbows further Return to the starting position without resting and without changing the shoulder arm position or elbow alignment START POSITION FINISH POSITION Associated Muscles The brachialis and brachioradialis are both prime move...

Страница 96: ...ble for extension of the elbow joint The triceps insert on the olecranon of the ulna and is not involved in or directly affected by the position of the radioulnar joint However full pronation often encourages internal rotation of the shoulder in order to achieve full elbow extension The long head of the triceps originates on the scapula and is an assistant mover of shoulder extension and adduction...

Страница 97: ...ropriate resistance has been selected Body position and control of the motion should never be compromised by excessive weight Swing the handles back and grip Position the arms parallel to each other Sit with the spine erect and scapula retracted The Motion Tighten the triceps and extend the elbows as far as possible without raising the elbows or shoulders Return to the starting position without re...

Страница 98: ...lexors 10 to 205 Pounds by Fives The top plate provides a minimum weight of ten pounds Subsequent plates in the weight stack are twenty pounds each Three slide on five pound incremental plates are securely positioned for easy access and effortless addition thereby providing 10 to 205 pounds in five pound increments The Abdominals Spinal Flexion The rectus abdominis is responsi ble for flexion and ...

Страница 99: ... position and control of the motion should never be compromised by excessive weight Position the feet flat on the floor and use the seat belt if needed Cross the arms over the pad and sit erect with the chest near the edge of the pad CYBEX VR2 Owner s Manual Exercise Page 3 68 START POSITION The Motion Tighten the abdominals and crunch smoothly as far as possible Stabilize the shoulders and lead w...

Страница 100: ...ains the correct biome chanical relationship between the lever arm and the cam which is critical in maintaining the proper resistance variation through the chosen range Axis Alignment The axis or pivot point of the machine is positioned to be aligned with the hip joints Stabilization The footplate is adjustable to stabilize the hip in axial alignment A seat belt is provided to secure the body 10 t...

Страница 101: ...ent with the erector spinae during resisted hip extension This is identical to the proper functional lifting motor pattern required in daily activity Hip motion should be limited to that which can be performed with proper spinal alignment Associated Muscles The gluteus maximus and hamstrings are responsible for hip extension The hamstrings will be involved to a lesser degree due to the position of...

Страница 102: ... contact of the thigh against the seat Stabilize this position with the seat belt Select the appropriate resistance Body position and control of the motion should never be compromised by excessive weight The Movement Cross your arms and straighten the spine by lifting the chest Press against the back pad and slowly extend as far as possible maintaining proper spinal align ment Control the return f...

Страница 103: ...llbutton and pull 2 Move input arm to desired position 3 Lock pull pin into place Set Stop End Position 1 Grasp pull pin pullbutton and pull 2 Rotate stop to the desired starting position 3 Lock pull pin into place Start RLD Pull Pin Stop RLD Pull Pin Input Arm Exercise Page 3 72 ...

Страница 104: ...the control ability of the user is limited at a maximal range of 75 degrees Resistance Application The resistance is applied securely through the lower body This dramatically reduces inefficient movement of the resistance by poorly stabilized extremities a common problem with traditional rotary torso machines that utilize the upper extremity to maintain contact with the resistance The drive mechan...

Страница 105: ... variation Unless a restriction occurs or is prescribed strict thoraco lumber rotation is generally con sidered to be 30 to 40 degrees to each side However range of motion for resistance exer cise should be limited to the user s ability to control the muscular contraction concentrically and eccentrically Important It is often suggested that rotation of the spine creates one of the most traumatic f...

Страница 106: ... Check the weight to insure that the appropriate resistance has been selected Body position and control of the motion should never be compro mised by excessive weight Sitting upright with proper spinal alignment grasp the handles and pull the chest firmly to the pads The Motion Maintaining contact with the chest pads tighten the torso muscles and slowly rotate through the desired range of motion W...

Страница 107: ...CYBEX VR2 Owner s Manual Exercise Page 3 76 This page intentionally left blank ...

Страница 108: ...ng Parts Visit cybexinternational com to shop for parts online or fax your order to 508 533 5183 To speak with a customer service representative call 800 766 3211 for customers living within the USA or 508 533 4300 for customers outside the USA You may also contact us through email at techhelp cybexintl com Having the following information ready when calling will assist our Cybex representatives i...

Страница 109: ...ovide the model and serial number of your Eagle equipment 4 At Cybex s discretion the technician may request that you return the problem part s to Cybex for evaluation and repair or replacement The technical will assign you a RMA number and will send you an ARS label The ARS label and the RMA numbers must be clearly displayed on the outside of the package that contains the item s to be returned In...

Страница 110: ...rier will provide you with the required forms for filing such claims Concealed Damage Damage not seen with a visual check upon receipt of a shipment but notices later must be reported to the carrier as soon as possible Upon discovery of the damage a written or phone request to the carrier asking them to perform an inspection of the materials must be made within ten days of the delivery date Keep a...

Страница 111: ...Customer Service Page 4 4 CYBEX VR2 Owner s Manual This page intentionally left blank ...

Страница 112: ...Upon arrival it is important that you thoroughly inspect all of the equipment for damage If you discover damage point it out to the truck driver and request that the driver make a record of the damage on the receiving report Be sure to obtain a copy of the receiving report for your files Contact CYBEX Technical Support if you received damaged equipment and provide them with the information on the ...

Страница 113: ...g a minimum of 500 lbs tensile capacity 3 8 grade 2 bolts or better If all legs frames do not contact surface DO NOT pull down with anchors Shim any leg or frame not in contact with surface with flat washers Safety Use extra caution when assembling and installing equipment particularly when lifting or moving heavy objects such as installing weight stacks and when using power tools Before using any...

Страница 114: ... for the other guide rod See Figures 1 amd 2 B Remove the plastic cap on guide rod hole by gently lifting guide rod up and down until plastic cap is forced off Repeat this step for the other guide rod See Figure 2 E Remove top weight increment rod from the top weight See Figure 3 F While an assistant is holding the top weight remove shipping tie and foam securing the top weight G Slide top weight ...

Страница 115: ...of guide rod L Raise guide rod up through mounting hole and install the upper snap ring into the top groove M Lower guide rod and secure lower snap ring into the groove Repeat steps 6K 6M for the other guide rod NOTE Be sure wave washer is between frame and lower snap ring See Figures 1 and 2 N Place protective caps over the weight stack guide rod holes O Place top weight increment rod onto the to...

Страница 116: ... the pulley flange See Figure 6 I Verify belt is rounted straight from the top pulley bracket to the top weight belt clamp 4 Aligning increment weight rods A Securely tighten the SHCS securing the increment weight rod located on the weight stack See Figure 9 B Securely tighten the SHCS securing the other increment weight rod See Figure 9 Figure 9 SHCS SHCS Increment Weight Rod Correct belt routing...

Страница 117: ...e to touch weight stack at this time C Insert a guide pin through each hole of the template NOTE A guide pin can be any thing that fits through the weight stack hole such as a weight stack selector pin D Carefully align decal and rub it onto weight plates E Carefully remove front side leaving decals adhering to weight plates Figure 11 Figure 12 Figure 10 D Lift top weight and insert all three incr...

Страница 118: ...n 4626 4627 4628 Seated Leg Curl 4640 Hip Adduction 4645 Hip Abduction 4705 Ab Crucnch 4715 Torso Rotation 4701 031 4506 SA Chest Press 4507 DA Chest Press 4511 SA Incline Press 4512 DA Incline Press 4515 DA Pulldown 4516 SA Lat Pulldown 4611 4612 4613 Leg Extension 4711 4712 4713 Back Extension 4701 032 4620 Rotary Calf 4701 033 4605 Seated Leg Press 4701 034 4520 DA Row Rear Delt 4521 SA Row Rea...

Страница 119: ...347600 Washer SAE 375 10 1 4605 424 Caution Decal 11 1 Top Weight See chart on previous page 12 1 4700 240 Weight Mount 13 2 4700 318 Increment Weight Rod 14 1 4700 319 Increment Weight Frame Mount 15 2 4700 321 Rubber Washer 16 2 JC702820 SHCS 375 16 x 1 25 17 2 HS348300 Split Lockwasher 375 18 1 4701 001 Top Weight Guide 19 1 FB130208 Bearing Sleeve 68 x 81 1 00 Lg 20 3 HC702816 SHCS 375 16 x 87...

Страница 120: ...ives are available to answer any questions or concerns that you may have Maintenance Page 6 1 1 Upholstery Wipe down all upholstery as per the recommendations listed below for light soiling and more difficult stains Light Soiling A solution of 10 household liquid dish soap with warm water applied with a soft damp cloth If necessary a solution of liquid cleanser and water applied with a soft bristl...

Страница 121: ...rer without notice Should you desire to use other cleaning agents carefully try them in an inconspicuous area to determine potential damage to the material Never use harsh solvents or cleaners which are intended for industrial applications To clean stained or soiled areas a soft white cloth is recommended Avoid use of paper towels Cleaning products may be harmful irritating to your skin eyes etc U...

Страница 122: ... Owner s Manual 1 Check all nuts and bolts for looseness Tighten as required 2 Inspect all belts entire length for any non uniformity and wear Immediately replace belt if any of the following conditions are present Weekly Procedures ...

Страница 123: ...s on the cable paying particular attention to bends in the cable and attachment points Replace all worn cables immediately The following conditions may indicate a worn cable A tear or crack in the cable sheath that exposes the cable See Figure 1 A kink in the cable See Figure 2 A curled sheath See Figure 3 Necking a stretched cable sheath See Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 Cybex VR2 ...

Страница 124: ...ear Replace all worn snap links immediately 6 Inspect all labeling for readability This includes instructional placards warning and caution decals Replace all worn labeling immediately 7 Inspect all weight stacks for proper alignment and operation Correct all improper alignment and operation issues immediately 8 Wipe Weight Stack Guide Rods clean over entire length Lubricate with a light coat of m...

Страница 125: ...Maintenance Page 6 6 Cybex VR2 Owner s Manual This page intentionally left blank ...

Страница 126: ...oce dure pivot shaft installation and removal as well as service information for each machine See the caution statement shown below when replacing parts General NOTE All inspections and repairs must be performed by trained service personnel only Improper or incorrectly performed maintenance or repair voids this warranty ...

Страница 127: ...Service Page 7 2 Cybex VR2 Owner s Manual This page intentionally left blank ...

Страница 128: ...crews securing clamp at one end of the belt 3 Remove the screws securing clamp at the other end of the belt and remove belt 1 Observe the four types of belt clamps used on the VR2 machines shown below Familiarize yourself with the types you will be working with Belt Removal Belt Installation Cybex VR2 Owner s Manual Sandwich Connection Frame Weight Stack Connection Sandwich Connection Cam Rotary C...

Страница 129: ...may be off centered The belt must be in a straight line with the pulley or cam See Belt and Clamp Alignment diagram at right G Tighten screws alternate until each screw is tight so that the clamps are parallel with each other The gap A shown in the Belt and Clamp Alignment diagram should be the same distance at each end of the clamp Likewise gap B should be the same distance at each end of the cla...

Страница 130: ...amp as shown in the diagram at right 8 While keeping belt straight insert each SHCS into the belt clamp and belt clamp insert and then adjust belt to remove slack so that the top plate is just resting on the second weight Securely tighten each SHCS after belt is properly adjusted NOTE The torque specification for tightening each screw is 400 inch pounds 9 Place weight stack selector pin in each pl...

Страница 131: ...nap ring from end of pivot shaft containing the hole Otherwise remove snap ring from either end of shorter pivot shafts that do not contain a hole 2 Using your thumb push pivot shaft out If pivot shaft does not slide out then place a punch in the hole end of the pivot shaft and tap the shaft out using a rubber mallet Pivot Shaft Removal 1 Slide pivot shaft end with the hole into the pivot shaft ho...

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Страница 134: ...CHEST PRESS SINGLE AXIS 4506 ...

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Страница 138: ...CHEST PRESS DUAL AXIS 4507 ...

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Страница 142: ...INCLINE PRESS SINGLE AXIS 4511 ...

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Страница 146: ...INCLINE PRESS DUAL AXIS 4512 ...

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Страница 150: ...PULLDOWN DUAL AXIS 4515 ...

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Страница 154: ...LAT PULLDOWN SINGLE AXIS 4516 ...

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Страница 158: ...ROW REAR DELT DUAL AXIS 4520 ...

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Страница 162: ...ROW REAR DELT SINGLE AXIS 4521 ...

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Страница 166: ...OVERHEAD PRESS SINGLE AXIS 4526 ...

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Страница 170: ...OVERHEAD PRESS DUAL AXIS 4527 ...

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Страница 174: ...LATERAL RAISE 4530 ...

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Страница 178: ...ARM CURL 4535 ...

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Страница 182: ...ARM EXTENSION 4540 ...

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Страница 186: ...FLY 4545 ...

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Страница 190: ...SEATED LEG PRESS 4605 ...

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Страница 194: ...4613 Leg Extension Total RLD LEG EXTENSION 4611 4612 4613 ...

Страница 195: ...4612 Leg Extension Start RLD ...

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Страница 198: ...PRONE LEG CURL 4616 4617 4618 4618 Prone Leg Curl Total RLD ...

Страница 199: ...4617 Prone Leg Curl Start RLD ...

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Страница 202: ...ROTARY CALF 4620 ...

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Страница 206: ...4628 Seated Leg Curl Total RLD SEATED LEG CURL 4626 4627 4628 ...

Страница 207: ...4627 Seated Leg Curl Start RLD ...

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Страница 210: ...HIP ADDUCTION 4640 ...

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Страница 214: ...HIP ABDUCTION 4645 ...

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Страница 218: ...AB CRUNCH 4705 ...

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Страница 222: ...4713 Back Extension Total RLD BACK EXTENSION 4711 4712 4713 ...

Страница 223: ...4712 Back Extension Start RLD ...

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Страница 226: ...TORSO ROTATION 4715 ...

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Страница 230: ...10 Trotter Drive Medway MA 02053 508 533 4300 FAX 508 533 5183 www cybexinternational com Techhelp cybexintl com techpubs cybexintl com ...

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