Sit on a folded towelon floor with knees bent and feet flat on floor, then lean back to rest on elbows.
Press rounded lower back into floor, squeeze abs and curl torso up toward left, lifting arms so that both hands grasp outside of left thigh.
Maintaining curl, release hands so that both hover to outside of thigh and do 20 pulses: Curl torso up toward left by 1 inch, then lower 1 inch. Make it easier: Keep hands on thigh for pulses. Make it harder: Raise arms overhead for pulses.
