Strong Abs Training - Hardcore Ripped Sixpack - Yeah We Train !
Bicycle crunch. Main muscles worked: Rectus Abdominis, Obliques, Iliopsoas, Tensor Fasciae Latae, Pectineus, Sartorius, Adductor Longus, and Adductor Brevis. In one study, found to be the most effective ab exercise! See website for details.
Boost your Buns Fast! 30 Day Squat Challenge - Christina Carlyle - created via http://pinthemall.net