The causes of sore hand muscles are mainly considered to be related to overwork, strain, inflammation, cold and so on. 1. Overexertion: If you often use your hands to lift heavy objects or exercise strenuously, it can lead to hand muscle fatigue, which can produce the symptoms of hamstring pain. 2. Strain: In the process of exercise or exertion, if you don’t do a good job of warming up, as well as over-exertion, it is easy to produce the phenomenon of hamstring strain, which triggers the manifestation of soreness. 3. Inflammation: If there is aseptic inflammation of local muscles and soft tissues in the hand area, such as fasciitis, the stimulation of inflammation can easily trigger the symptoms of hamstring pain. 4. Cold: hand parts if long-term exposure to cold stimuli do not pay attention to warmth, easy to affect the local blood circulation, thus producing symptoms of hamstring pain, generally appropriate hot compresses can be relieved. If the soreness of the hand tendon is not relieved after resting, you should go to the orthopedic clinic in time, after clarifying the cause, under the guidance of the doctor targeted treatment, to prevent the later impact on the hand’s motor function.