VECTOR KRAFT
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forearms should be vertical (also see Chapter 5.5).
2.
Now contract your torso muscles, and stretch your arms against the resistance
of the machine. Move your forearms downwards in a semicircular curve. The
motion originates from the elbow joints only and should stop when your
forearms are extended. Make sure not to hyperextend your elbow joints as this
increases the stress on your elbows. Breathe out when you exert strain against
the resistance. Maintain this position momentarily.
3.
Now bend your elbows and return the handles, making sure to maintain control.
Stop the return motion once your forearms are vertical. Breathe in during the
return sequence.
8.5.5
Abdominal muscles
8.5.5.1 VECTOR ABDOMINAL FLEXION
1.
Adopt the right exercise position: Sit on the seat so that the upper part of your chest
touches the chest pad. Place the balls of your feet on the footrests (feet about
shoulder width apart). Hug the chest pad with your arms (also see Chapter 5.5).
Principal muscles worked:
M. rectus abdominis
Start position
End position
