50:50

Works shoulders, triceps, chest, back, abs, waist, hamstrings, and inner and outer thighs Standing in chest-deep water at the shallow end of the pool, extend your arms down along the sides of your body with your palms facing behind you. Keep your left leg straight and lift it back so your toes are six to 12 inches from the pool bottom. With your chest up, abs braced, and neck in line with your spine, inhale for five counts while quickly pumping your arms forward (A) and back (B), a few inches in each direction, without bending your elbows. Continue pumping as you exhale for five seconds. That's one rep. Do five. Repeat on the other leg.