如果你不勤于运动而又怕肌肉僵硬 ,那就在床上或地上用下列简易的操练来保持自己健美的身材。人们戏称之为“懒人”健身操 :第一步是关节旋转。平躺床上 ,脚举向空中 ,做出骑自行车踏轮子的动作 ,同时两手臂和两腿做同步同样的运动。以自己的呼吸为节奏 ,连续做１０下。第二步 If you are not diligent in sports and are afraid of muscle stiffness, use the following simple exercises to keep your body fit in bed or on the floor. People dubbed the “lazy” gymnastics: The first step is the joint rotation. Lay flat on the bed, feet raised in the air, riding a bike to make riding wheel action, while the two arms and legs to do the same exercise simultaneously. With your own breathing as a rhythm, do 10 consecutive times. The second step