I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff.
Kneeling with the bar behind your neck :
Inhale and round your back to bring your torso toward your thighs
Exhale at the end of the movement
This movement is never done with heavyweights. The goal is to focus on the sensation to better target the work on abs and mainly rectus abdominis.
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