https://youtu.be/FGT2iMrjt3Q In most gyms you'll see a medicine ball or dumbbell held between the feet for resistance during knee-ins, but since...
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August 21, 2018 | John Paul Catanzaro
https://youtu.be/FGT2iMrjt3Q In most gyms you'll see a medicine ball or dumbbell held between the feet for resistance during knee-ins, but since...
Read More