The Wood Chop is named after the pattern of movement created when chopping wood with an axe. The flexion/rotation pattern is used in many sports: Tennis Forehand Playing Hockey Swinging a Golf Club
The Wood Chop explained: Use the wood chop with a fairly stable pelvis. Use a cable machine. If you are rotating right, first grab the handle with your right hand. Then place your left hand on top of the right hand. Keep transverse muscles pulled in   Accelerate movement diagonally down and rotate the trunk.   End movement when your hands reach slightly ourside your hips. Choose a weight that allows you to do 12 repititions. Start:   Midway:   End:
photos and animation by Karen Day