众所周知,骑自行车是一项很好的健身方法,但对许多年老体衰或留有各种疾病后遗症的人,骑车已然成为一种梦想。长期缺乏锻炼会使肌肉萎缩,骨骼变脆。健身车弥补了这一不足,使许多无法从事户外运动的老人在室内就能轻松完成锻炼。 It is a well-known fact that cycling is a good way to exercise, but it has become a dream to ride on many people who are old and have become sick or have sequelae of various diseases. Long-term lack of exercise can make muscle atrophy, bone brittle. Exercise bike to make up for this deficiency, so that many can not be engaged in outdoor sports in the indoor can easily exercise.