https://youtu.be/5m29kwjJBQ0 In some cases it's best to count reps, and in other cases it's best to regulate the time under tension. The prone l...
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Tag: Swiss ball
The Sicilian Crunch
April 01, 2012 | John Paul Catanzaro
https://youtu.be/-yaTjfYk8tc Here's an advanced abdominal exercise that your clients will feel the next day! ...
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Swiss Ball Crunch
April 01, 2012 | John Paul Catanzaro
https://youtu.be/KU38Vr1sSWM Learn why it's better to do abdominal crunches over a Swiss ball rather than on the ground. ...
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