Regular stretching of the legs has the following benefits: 1. Restoring the mobility of the joints. There are many patients who are often inactive will find that the joint mobility of the lower limbs is slowly decreasing. At this time, if you do some stretching exercises, you can restore the mobility of the joints. 2, enhance the strength of the tendon, through passive activities, there is continuous stimulation of the tendon, will promote the tendon stronger, to prevent injury in the movement. 3, prevention and control of disuse muscle atrophy. Some patients who are bedridden for a long time often have disuse atrophy of the muscles of the lower limbs, for this situation, you can do some passive stretching exercises, through this passive external stimulation, can also promote the gradual recovery of muscle fibers. 4, prevention and control of lower limb vascular and neurological diseases, such as through regular stretching exercises, can prevent deep vein thrombosis, sciatica and other such diseases.