许多健身房面积很小,空气不流通,每件器材之间的相隔距离很小。健身者们在跑步机、脚踏车上挥汗如雨,大口大口地喘着气。在这样的环境中健身,容易出现呼吸道疾病。在跳操室,十几位女性认真专注地随着音乐的节拍,跟着台上的教练蹦跳。奇怪的是,如此大的运动强度,却没发现这些女孩子们出大汗。原来不出汗是 Many gymnasiums are small in size and the air is out of circulation and the distance between each piece of equipment is small. Bodybuilders pant sweat on treadmills and bicycles. In this environment, fitness, prone to respiratory diseases. In the jump room, a dozen female serious and focused on the rhythm of the music, with the trainer hopping on the stage. Strangely enough, so much exercise intensity, but did not find these girls sweating. The original does not sweat is