This video demonstrates how to perform a "glute clench" on a back extension machine. Be sure to initiate the movement (contract) from your hamstrings and glutes (literally lift your body by clenching your butt cheeks together - hard!!) and keep your lower back tight, even in the down position) hold the top contraction for a second before lowering.Glute clenches muscles of the foot | |
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| Sports | Upload TimePublished on 10 Sep 2015 |
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