Abstract
Flat feet, a state in which the normal foot arch is reduced or collapsed. Flat feet are mainly caused by foot pain due to the collapse or loss of elasticity of the longitudinal arch of the foot caused by some reasons such as abnormal foot bone morphology, muscle atrophy, ligament contracture or chronic strain. It is mostly seen in people who are overweight or standing for a long period of time, and is caused by the ligaments and muscle legs that maintain the arch of the foot being overworked and loosened. Flat feet often lead to swelling and pain in the foot, which is especially serious after standing or walking, and at the same time, those with flat feet will lead to athletes being more prone to injuries. At present, flat feet are mainly treated by orthopedic shoes, medical sports, manipulation and fixation, and surgery.
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