Place your left hand behind your head. Then, bend through your left side to crunch up and over to the left, driving your left knee toward your elbow. Slowly return to the side plank, keeping your left hand behind your head. Go for 30 seconds or 10 reps, then switch sides.

Start in a traditional side plank position. Raise your top arm straight above you, or keep your top hand on your top hip. Drop your hips until they come into contact with the ground, then return to the start position. Repeat for 10 to 15 reps and then switch to the other side.

How to do a Side Plank Start the exercise by lying on your side, positioning one forearm below the shoulder while keeping your feet stacked together. Keep your abs tight and then raise your body upward by using your forearm and lower elbow. Hold this plank position and do not let your hips drop throughout the movement.

Lie on your side with your elbow straight underneath your shoulder Legs are out straight, top foot is in front of bottom foot. To modify bend your knees. (see photo) Start tall on your shoulder. As you lift up, bring your hips forward so your body is in a straight line. Pretend your elbow is on a rag on a slippery hardwood floor.