The symptoms of tendon strain are generally localized soreness, tenderness and weakness, depending on the location, common strain areas are: 1, low back, low back tendon strain symptoms are swelling, soreness and limited activity, can be relieved by hot compresses or muscle stretching, generally not accompanied by numbness of the lower limbs. 2, neck and shoulder back, these parts due to long-term bending, head down and ambulation, etc., especially prone to strain, thus causing localized soreness, swelling and pain. 3, calf fascia strain, because of frequent weight walking or running, etc., caused by triceps muscle strain, in the calf triceps fascia produce some pain. 3, the calf fascia strain, because often walking with weight or running, caused by the calf triceps strain, in the calf triceps fascia produce some pain excitation points, resulting in calf soreness, weakness, etc..