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炎夏季节,游泳是最惹人喜爱的运动项目,也是工余假日积极性休息的健身方法。初学者都想在短期内学会游泳。在没人指导下,可从自学爬泳入门。泳前,先学会以下几个步骤。熟悉水性游泳是在水中特殊环境里进行活动,并受到水的压力、浮力和阻力的影响。自学者应先在游泳池中学做走动、睁眼、呼吸、浮体等熟悉水性练习。走动:1.自学者进入齐腰深水中,一手扶池槽,沿槽走动25米,重复4-5次。2.手离池槽向前后、左右侧走动15-20米,重复2-3次。3.水中原地纵跳、向前后跳跃或水中跑动5-6次。睁眼:1.面池槽站立,两手扶槽。深吸气后,下蹲入水,两眼睁开看向池底。重复8-10次。2.深吸气后,睁眼下蹲,水中默数1、2、3……10,重复3-4次。3.离槽站立,头部浸水后,睁眼寻觅和捡取硬币,重复6-8次。浮体:1.水中站立,深吸气后,下蹲低头抱膝,前脚掌蹬离池底,提臀收腹,呈团身浮体,重复8-10次。2.水中浮体,两臂放松向前伸展,两腿向后伸直并拢,即成伸展浮体,重复5-6次。
Summer season, swimming is the most favorite sport, but also the rest after work holidays rest fitness methods. Beginners want to learn to swim in the short term. Under the guidance of no one, you can learn from climbing crawl. Before swimming, learn the following steps. Familiar with water swimming is the special environment in the water to carry out activities, and water pressure, buoyancy and resistance. Self-learners should do swimming in the middle school swimming pool, eyes open, breathing, floating body familiar with water exercises. Walking: 1. Self-scholars into the waist waist, a hand-held pool tank, walk along the groove 25 meters, repeat 4-5 times. 2. Hand from the tank slot forward and backward, walk around 15-20 meters left and right, repeat 2-3 times. 3. In-water vertical jump, jumping forward or backward or water running 5-6 times. Eyes open: 1. Pool tank standing, hands supporting groove. Deep breathing, squat into the water, eyes open to see the bottom. Repeat 8-10 times. 2. After deep breathing, eyes open squat, the water in the silent number 1,2,3 ... ... 10, repeat 3-4 times. Stand from the trough, head immersion, eyes open to find and pick up coins, repeat 6-8 times. Float: 1. standing in the water, deep breathing, the squat bow tuck, forefoot pedal from the bottom of the pool, hip abdomen, was a body floating body, repeat 8-10 times. 2. Floating body, his arms relaxed forward stretch, his legs straight back and close together, that is, stretching the floating body, repeat 5-6 times.