Knee Tuck TARGETS: Abs, butt. Stand 2 feet away from side of pool, feet hip-width apart and hands resting on wall. Draw left knee into chest, rounding back and contracting abs (a). Extend leg behind you, squeezing through glutes (b). Continue for 30 seconds. Switch legs, and repeat for 30 seconds to complete 1 set.

Source by stinareg66