酷暑盛夏是游泳的旺季,很多人都想到水中畅游一番。游泳是一项颇佳的体育运动,既能防暑降温,又能增强体质。可是在参加游泳的一些人中(特别是初学游泳者),由于缺乏专业人士指导,在游泳时往往会发生抽筋,甚至会引发溺水意外,威胁生命安全。因此预防抽筋是保证游泳安全的重要保障。 Summer is the peak season for swimming, many people think about swimming in the water. Swimming is a good sport, both summer cooling, but also enhance physical fitness. However, some swimmers (especially beginner swimmers), due to lack of professional guidance, tend to cramp when swimming and may even lead to drowning accidents and life-threatening situations. Therefore, prevention of cramps is an important guarantee to ensure the safety of swimming.