[ this site - shoes and life] From the point of view of the orthopaedic surgeon, the heel and big toe angle should not exceed 30 degrees, that is, the height of the heel should not exceed 2 cm.
The medical community has been studying the hidden dangers of high-heeled shoes. In addition to the lower leg, the study found significant damage to the toe joint, spine and knee.
When the human body is in the standing position, the ankle joint and the heel position bear about 50% of the body weight. However, when we wear high heels, most of the weight is transferred to the forefoot. The higher the heel, the greater the weight bearing on the toe joint.
Because of the relationship of gravity, the two negative points of our heels and forefoot naturally form a balanced triangular relationship.
When the heel lifts, the triangle balance is broken, and the original sole floor support surface becomes the two supporting points of the forefoot. Our body needs to shift the center of gravity forward to maintain balance, so the spine and knees will be tense. Long, irreversible damage will occur.
The spine has naturally presented a small S-type. High-heeled shoes will increase the burden on the back muscles and cause lumbar illness.
So how can high-heeled shoes lead to knee arthritis? British scholars in the study found that often wear high heels will significantly change the normal function of the ankle joint, the body must be compensated by the hip and knee during walking to maintain gait stability, tension and stress Causes knee osteoarthritis.
High-heeled shoes are particularly prone to sprains, not only because the center of gravity is difficult to control, but because the heel is cushioned, and the compression of the Achilles tendons becomes less flexible and tends to cause Achilles tendinitis. As a result, the stability of the ankle joint becomes weaker, so the possibility of an ankle sprain or even a fracture increases.
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