Movements for Abs & Back Water Exercise DVD Strengthen the abs and back by moving the body in all 6 natural directions. In the pool, use simple standing, sitting and floating exercises for better flexibility and strength. Free land workout included. Simple step and reach exercises improve total core strength and balance. Use of multiple cameras expertly showcases how to perform the moves. Recommend Nekdoodle, noodle or other hand held buoyancy for water workout.