For Core, Back, Rotational Stability

Level 1

: Sit with your feet on the ground in front of you.

Level 2

: Repeat exercise with your feet off the ground and knees bent at 90 degrees.

Level 3

: Repeat exercise with your legs straight and held at a 45-degree angle off the ground, keeping your body in a V position.

Routine

: Begin in a standard sit-up position. Keeping your back straight and stomach tight, lift your upper body to a 45-degree angle. Holding this position, rotate right to left and back, six times each side. Return to lying flat on the ground. This is one set.

Reps

: Three sets of 12 to four sets of 20