crunch 1

Preparation:

.

Sit tall on and aline your knees across the hinge axis of machine.

With your back against back pad and your butt never losing contact with seat, squeeze your stomach tightly.

Movement:

 

Begin to press your shins into the leg pad, lifting the weight.

As your legs load with resistance, keep you butt from raising.

Pause when your legs straighten for 1-2".

Lower your legs slowly without relaxing on the bottom.

Repeat till failure.