The pain in the short peroneal muscle may stem from neurological factors, high activity levels, or sprains. 1. Neurological factors: for example, peroneal nerve compression or inflammation of the peroneal nerve will trigger pain and numbness in the muscles it innervates. 2. High activity level: If the intensity of activity is high, lactic acid cannot be metabolized in a timely manner, which can also cause muscle pain. 3. Sprain factor: most of the pain at the stopping point of the short peroneal muscle is related to foot sprain, which can easily lead to avulsion fracture in serious cases. The short fibular muscle is innervated by the peroneal nerve, when there is pain, should be timely hospital consultation, under the guidance of the doctor targeted examination and treatment.