Horseshoe foot can cause muscle atrophy if left untreated. Horseshoe foot often occurs in newborns. It can occur in one or both feet. During development, the tendons and ligaments of the foot are impaired and fail to synchronize with the development of the other tendons and ligaments of the foot, resulting in deformity of the foot and calf muscles under varying degrees of pressure and inability to return to their normal position. Horseshoe foot is a special deformity of the foot, which is manifested as inversion, inversion, and gradual increase of heel. If not treated in time, the calf muscle fiber of the whole affected foot will gradually decrease, and in the long run, the calf of the affected foot will gradually atrophy, and even affect the walking function, which is difficult to return to normal. When you find the deformity change of horseshoe foot, you should go to the regular hospital in time, under the guidance of professional doctors to take targeted treatment, do not delay the condition to affect the therapeutic effect.