厂仔freddy：
PF is associated with a variety of sports, but it is most commonly reported in recreational and elite runners (incidence 5% to 10%) [1]. Among the risk factors associated with this musculoskeletal pathology are biomechanical abnormalities of the foot, sedentary lifestyle, obesity, prolonged standing, improper exercise, overtraining, limited ankle dorsiflexion motion, etc. Petraglia et al. [1] divide the causes into intrinsic (anatomical, functional and degenerative) and extrinsic (due to overuse, incorrect training and inadequate footwear). In each of these sections they include the different risk factors. Other authors have also expressed the same semiology
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