You know swimming is great exercise. But each stroke has different benefits and risks:
- Front crawl. The fastest stroke and the best back-strengthener. Also tones the glutes, abs and shoulders. This stroke is a good joule burner (420 per ten minutes). However, the commonest problem is not breathing properly (the key is to exhale evenly underwater). Have lessons if necessary.
- Breaststroke. Expands the lungs and works the chest, legs, shoulders and triceps. Burns only 250 joules per ten minutes. Warm up before trying this stroke or you could damage your knees or back. Do not keep your head out of the water as it's bad for your neck.
- Backstroke. Tones stomach, back, legs, arms and shoulders. A good antidote to a day at a desk and adds variety in your pool sessions. Burns 35 joules per ten minutes. Do not have your head too high or your hips will sink.
- Butterfly. Stretches and strengthens the body and burns 625 joules per ten minutes. Poor technique can damage shoulders and back.
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