Ax Chop

The Ax Chop exercise works your abs, shoulders, upper back, triceps, and obliques.

-Best Abs in the World. Ax Chop: You can either do this move by tying a band at 2 feet overhead or securing it to a doorknob and doing the move on your knees. Do either all reps to 1 side then switch sides and repeat or alternate your reps. You'll do 10 reps per side.