Dual Adjustable Pulley
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Using the equipment
Abdominal crunch
Bring the cable output fully to the top and hook the handles.
Select the workload with the pins, the same for both arms.
Spread your legs slightly.
Grip the handles with your arms bent to your chest; legs slightly bent and cables in tension.
Curl your torso forward and try to bring your breastbone down to your pelvis.
Control the speed of movement constantly; the return speed should be slower than the outward
speed.
The weight stack should not return completely to rest position during the return stage.