T Nation Content

It's a good exercise, but most people screw it up. Here's why.

53.9k followers

Comments

No comments yet! Add one to start the conversation.

T Nation Content | Six pack abs workout, Abs workout, Crunches workout

Save

t-nation.com

It's a good exercise, but most people screw it up. Here's why.

53.9k followers

No comments yet! Add one to start the conversation.