以“大”为主:指活动要以大关节、大肌群参与为主。因为大肌群运动,能对心肺功能有较大的影响,并协助调整新陈代谢和神经活动。如做手指、手腕活动,心率基本无改变,但做肩、肘关节和腰部等活动,因为这些关节都有大量肌肉群附着,所以整体运动效果更好。在大关节、大肌群活动中,尤以下肢周期性活动更为合适,如散步和健身跑。以“中”为度:对老年人来说,运动的速度和强度都要适中。运动不宦 To “big ” mainly refers to the activities to large joints, mainly to participate in large muscle groups. Because of muscle movements, can have a greater impact on cardiorespiratory function, and to help adjust the metabolism and nerve activity. Such as finger, wrist activity, heart rate basically no change, but do shoulder, elbow and waist and other activities, because these joints have a large number of muscle groups attached, so the overall movement better. In the joints, large muscle activities, especially in lower extremity cyclical activities more appropriate, such as walking and fitness running. To “in ” for the degree: For the elderly, the speed and intensity of exercise should be moderate. Sports not official