The following reasons are common for dorsal cramps: 1, overwork: if you participate in heavy physical labor or excessive exercise, can lead to overwork of the calf muscles. The patient will have symptoms of dorsal tendon cramps, accompanied by calf pain, local activity restrictions, the patient can not walk with normal weight, through massage, rest and heat treatment, can make the clinical symptoms be relieved. 2, neuropathy: such as intracranial nerves undergo severe ischemia, conduction dysfunction, can also lead to dorsal tendon cramps clinical symptoms, the patient will be manifested as limb activity disorders, and even pathological reflexes. Pathologic reflexes may occur. Therefore, dorsalis pedis cramps must be paid great attention to, early diagnosis, early treatment, can make the symptoms can be relieved or cured, if the delay in treatment is likely to lead to serious complications, and even threaten the safety of life.