The Side Plank With Leg Raise.
1) Lying on your side.
2) Take your body weight on your fore arm.
3) Keep your body in a straight line, a straight line through the Ear, Shoulder, Hips, Knees and ankles.
4) Raise your hips from the floor
5) Keep the body raised in a side bridge.
6) Raise your top leg.
7) Lower your body to the floor and repeat
6) Repeat on the other side of the body.