Begin by getting down on the floor on your hands and knees in a push-up position.
STEP 2
Bring one knee in towards your chest while keeping your abdominals tight and your trunk parallel to the floor. Return your leg back to the start position and repeat with the other leg.
STEP 3
Repeat for the prescribed number of repetitions.
Special Notes
This exercise is not for beginners. You will already need to have a strong back and abdominals to do this exercise. To increase the level of difficulty, strap on some ankle weights and do this exercise.