The pace of light, will always give people a feeling of youth, even if you are already sixty or seventy years old; stiff joints, but inevitably give people a feeling of aging, even if you are only twenty or thirty years old. As the saying goes, “tendon long an inch, life extension ten years”. From the time of birth, can easily gnaw to their toes, to the older bend over and pull the foot is very difficult, “tendon” aging, is an important sign of aging, but also one of the main reasons for the aging of the body. However, during the day in the unit buried in writing cases, do statements, go home and busy chatting on the Internet, playing games, watching American dramas …… long-term motionless posture, so that many of today’s young and middle-aged people’s muscles are in a state of tension for a long time, ligaments, tendons and bones are also with the aging. Experts remind remind, many people are 30 years old, 60 years old body. The body’s “tendons” have begun to age prematurely. Tendon old, is the emergence of “tendon shrinkage”, that is, tendons become shorter, resulting in people’s mobility is limited. The phenomenon of tendon contraction is very common among office workers, students and other people who work for a long time at the desk. Can be self-checked through the following entries: neck tightness and pain, lumbar ankylosis pain, bending is very difficult or even unable to bend, back tightness and pain, leg pain and paralysis, can not squat, long and short legs (double lower limb length uneven), the heel has a radioactive traction pain, the pace to carry out the not very large, dense walk walk, the ligaments of the hip joints have a sense of tension, the thigh can not be raised or can not be spread horizontally, the body is not flexible, muscle contraction or atrophy, the hand can not be normal extension and flexion, poor movement of hands, feet, elbows and knees. The above 15 symptoms, any one of them often appear, affecting normal activities, it means that the corresponding parts of the body may have appeared tendon contraction performance. Therefore, appropriate “stretching” exercise is necessary to prevent the body from aging and promote flexibility of joints and muscle ligaments. Whether it is the traditional Chinese fitness qigong Yi Jin Jing, five birds, eight brocade, taijiquan, or modern gymnastics, aerobics, and even today’s popular yoga, there are a lot of stretching fitness steps. You can find a door frame, hands up holding both sides of the door frame, try to stretch your arms; at the same time a foot in front, standing lunge, the other foot in the back, the leg as straight as possible; keep this position standing for about 3 minutes, and then change a leg to stand lunge, also 3 minutes. This method is simple and easy to do, anytime and anywhere. Every night when watching TV, or before going to bed, practicing 15 to 30 minutes, comfortable and cozy. Need to be reminded that “stretching” should not be rushed, so as not to cause tendon strain. Especially for the elderly and long-term lack of exercise for people, the beginning of the action range should not be too large, do not exert too much force, do not easily let others to impose external help. Feel a little “tension” or “acid” can be, not pain. Before practice, it is best to warm up, such as jogging for 5 to 10 minutes to mobilize the body’s blood circulation and muscles to reduce injuries.