Solid Core Medicine Ball Circuit [VIDEO]
Strengthen and define your abs with nothing but a medicine ball.
Looking to build up that core for more stability and only have access to a medicine ball? Or maybe you're just looking for a change of pace. Naudi Aguilar, owner and trainer of Functional Patterns, provides us with a four-move routine to build a core made of bricks using nothing but a medicine ball. Give the routine a shot. You'll feel it tomorrow.