Lath lath swimming to prevent cramps

Shandong readers ask: the hot weather, I would love to swim. But a few days ago when I swim feet suddenly cramps. Excuse me how should handle?

Capital institute of physical education WangZheng answer: if swimming coaches in water suddenly, calm and keep feet cramp relaxation is the most important. To relax, ten million cannot lower struggle to hold hands, or upper hull, living on the wall. If you cannot live on both sides, will scream. Swimming cramp, must soon ashore, on the shore to adopt measures. As the first leg unbend the cramp would be very painful (this time, to endure), with the other hand hook big toe, push back, this can let cramp feet resumed as soon as possible. Swimming cramps is mainly composed of four factors: first, the body of calcium, Second, sports, if only 1,500 metres on, but the 2000 or 3000 meters, easy cause cramping, Third, inadequate preparation, Fourth, the water temperature too cold, thinner, because the fat layer is thinner and more afraid of the cold, and easier to cramping.