I recently saw such a patient, 40-year-old Huang, with very typical symptoms: half Squatting is painful, and squatting completely does not hurt. Huang said that he felt weak when he squatted on his left knee joint and he needed a stool to reach the squatting position. There is no pain when you squat completely, but you have to hold something if you want to stand up. The local doctor told her that this was the weakness of the left quadriceps, and she had to kneel and crawl for exercise. She tried it and found that the effect was not bad at first, but the pain became worse after a while!
For his physical examination: the bilateral patella buckle test is positive, and the patella rubbing test is weakly positive. Half squat test, sitting and standing up testI felt uncomfortable during the test. I squatted down completely without pain, and I had to use strength to stand up on my own.
"You are not a single left quadriceps weakness "After the physical examination, I told her: "You still have arthritis in both knees and left knee jointspatella malacia, kneeling and crawling exercise for you is tantamount to drinking poison to quench your thirst (drinking poison and alcohol to quench your thirst)."
Kneeling crawling exercise is popular among middle-aged and elderly people, so what is kneeling crawling exercise? Why does Huang feel that "the effect is not bad at first" after exercising? Why is this "drinking poison to quench thirst?"
Kneeling and crawling exercise
Crawling exercises are mainly divided into two postures, knees on the ground and straight leg crawling. Knee-to-the-ground method is to land on the ground with both hands and knees, alternate hands and knees to climbThe method of walking is characterized by the head raised, the five fingers landed on the ground, the arms are shoulder-width apart, the two knees are on the ground, and the shoulder-width apart; the straight-leg crawling method is the method of crawling with hands and feet on the ground alternately. The characteristic is that the head is raised, the five fingers are on the ground, the arms are shoulder-width apart, the feet are about one and a half shoulder width apart, the forefoot is on the ground, and the knees are slightly bent.
Benefits of crawling exercise
Crawling has long been popular in many places abroad , Known as the "softest exercise", because when the human body is upright, the spine bears most of the body's weight. Body weight has a certain influence on the intervertebral disc. Some diseases such as lumbar disc herniation are caused by the body after standing up. . And crawling can make the body heavyThe force is distributed to the limbs, which greatly reduces the pressure on the cervical spine and the lumbar spine, can relax the muscles and exercise the lumbar spine, and help reduce the occurrence of lumbar diseases. Crawling is also a good aerobic exercise, in the process of crawling. The heart and 80% of the body's blood system are at the same level. The limbs and brain supply blood to reduce the pressure on the blood vessels and the heart, and it has certain preventive and auxiliary treatment effects on cardiovascular diseases in middle-aged and elderly people.
Why is it said that kneeling and crawling exercise is "drinking poison to quench thirst" for Huang?
"It was light at the beginning, but heavier afterwards" is Huang's feeling of "kneeling and crawling exercise". This is because most middle-aged and elderly knees Patients with joint pain, quadriceps quadricepsAmong the muscles, there are at least three muscles: the medial femoris, the lateral femoris, and the intermediate femoris all have different degrees of contracture. During the exercise of kneeling and crawling with extreme flexion of the knee joint, these contracted muscles are stretched. The original length was restored in a short time, so it was easy to get up and walk.
In the process of kneeling and walking, the knee joint has to bear 8~10 times the weight. Although this is a serious negative effect on the knee joint, when you get up and walk, the force on the knee joint is suddenly greatly reduced. Only need to bear 1.3~1.5 times of the body weight, and the force will be relatively reduced.
But its drawbacks are also obvious: because of the force during kneeling crawling. It is easy to cause painful knee joint inflammation and edema tissue to aggravate inflammation and edema. In addition, the increase in pressure in the articular cavity under high pressure can reduce the blood supply of cartilage, and it is not easy to discharge metabolic waste, which is prone to synovitis and surrounding muscles. , Chronic injury of ligament inflammation.
For Huang’s situation, it’s more suitable for "crawling without kneeling" straight leg crawling, which can exercise muscles and improve the left thigh Muscle weakness will not damage the knee joint. Warm reminder: Crawling exercises cannot be blindly followed. It cannot solve all problems and is not suitable for everyone. Especially patients with hypertension, coronary heart disease and cerebral arteriosclerosis are not suitable for this activity. In addition, in order to avoid food reflux, it is not advisable to crawl immediately after a meal.
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