Media Summary: This video quickly demonstrates how to perform Lying on your back, arms by your side. Tuck your tail bone under, switch your abs on, press your lower back into the ground, then ...
This video quickly demonstrates how to perform Lying on your back, arms by your side. Tuck your tail bone under, switch your abs on, press your lower back into the ground, then ...
Flutter Kicks with Crunch
Crunch Hold Flutter Kicks
This exercise is a
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Flutter Kicks w Crunch
This video quickly demonstrates how to perform
Lying on your back, arms by your side. Tuck your tail bone under, switch your abs on, press your lower back into the ground, then ...
How to properly perform
Flutter kick crunch