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Step 1
Get into a hanging position with your hands firmly in place to support your weight. Lean forward slightly letting your arms support your weight. Avoid swinging, because your want your lower abdominal muscles to do the work.
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Step 2
Raise your knees up as far as you can. From this position, roll up into a ball, bringing your knees up to your head. Hold that position and contract your abdominal muscles as tightly as possible. Exhale as you pull your knees up.
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Step 3
Exhale as you bring your knees back down with your knees bent and your abs still contracted.
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Step 4
Do as many repetitions as possible.







