Learn how to do an abdominal crunch with one leg to work the oblique muscle 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 stuff doesnt work you can find other ways. i do a workout i dont know what its called but it only works your abbs i do it for 10min a day and my fat is going away. its only been like a week now. look for other ways not this :P
Kristen3210 3 years ago
Im fina try this. Hope it works! Looks kinda difficult.
earlmccormick88 3 years ago