Learn how to do leg extensions with the balance ball and what muscles the leg extensions work in this free how-to video on exercise with a balance ball.
Expert: Manny Castro
Bio: Manny Castro received his BS in Health Education/ Exercise Physiology and Athletic Training from Florida International University, and completed several internships in cardiac rehab, and strength and
Filmmaker: Manuel Castro
This ball is far to small for ths man
CASYMO 3 years ago 2