Water exercises as effective as gym workouts for preventing cardiovascular disease
Swimming, aqua-aerobics, and other water-based exercises are popular for people aged 55 and older to keep fit without putting strain on the joints. Studies show that water-based exercises have many benefits, including improving gait, balance and mobility. It's also thought to offer benefits as part of rehabilitation programs for peripheral arterial disease, in which arteries in the legs, stomach, arms and head narrow.
Source: Medical Xpress