Water walking offers several benefits over taking your typical stroll on land. The water provides resistance, making your muscles work harder to move forward. At the same time, it provides buoyancy, helping reduce strain to your joints.

Swimming is an aerobic exercise that works the entire body and burns lots of calories. Because swimming recruits so many different muscle groups for a prolonged period and those muscles work constantly against water’s natural resistance, the potential for fat-burning is high.

Whether your child is in a swimming class to improve his technique or you're joining a water aerobics class for fitness, the correct gear can make all the difference for the most comfort in the water.

Calf cramps can cause tremendous pain and force you to halt your swimming without warning. Because they are sudden and so debilitating, cramps can be dangerous, especially if you are swimming far from the shore or in deep water. They could even result in drowning for the unprepared swimmer.

Peroneal nerve dysfunction is a form of peripheral neuropathy in which nerve damage occurs within a branch of the sciatic nerve that leads to the leg. This damage can destroy the covering of the affected nerve and lead to degeneration of the nerve cell.

Incorporating regular swimming workouts can be an effective way to cut down on the excess fat you’re carrying.

Sciatica is a medical term referring to symptoms of leg pain, tingling, numbness or weakness that starts in the lower back and travels down along the sciatic nerve. For many people, it is a short-term illness, but for others it can not only be severe, but it can also have an effect on the way they live.

Treading water burns calories and is a great workout for all the major muscle groups in your body if you perfect your technique.

The sacroiliac, or SI joints, are shock-absorbers that connect your spine to your pelvis and transmit forces from your upper body to your hips and legs. If there is too much or too little movement in an SI joint, you may experience pain, inflammation or arthritis.

Swimming offers a non-impact way to burn a relatively high number of calories in a short amount of time. The number of calories you burn depends on a few factors, but you can get an idea of how many a typical session might burn.

Water on the knee is caused by swelling of the knee joint and an accumulation of the fluid that helps keep the joint lubricated, says BigKneePain.com. The most common symptoms are tenderness around the knee, difficulty performing some movements, such as running or jumping, and swelling or puffiness.