CRUNCH (sonogram style technical analysis with text below it)

STS OPERATOR'S MANUAL MASTER CONTROL PANEL STS INSTITUTE

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demo graphic

STOMACH (Beginner/Advanced)

anatomyRectus Abdominis/Hip Flexor
For Sit-Up: Lie on your back and secure your feet so that they are held firmly down. Place your arms behind your head with elbows out. Put a slight bend in your knees. Now contract your stomach and hip flexor muscles and pull yourself up until your head meets your knees. Hold momentarily and slowly descend back down.

For Crunch: Lie on your back and elevate your legs into an L position. Place your arms behind your head with the elbows out. Now tuck your chin and contract your stomach muscles only. Your stomach will compress and your shoulders will rise up. Hold the position momentarily and descend back down slowly. Your lower back and buttocks should remain flat on the floor at all times.

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©Copyright Patrick D. Young 2010