Why does the wrist tendon hurt when you move your thumb?

Pain in the wrist when the thumb is moved is mainly due to a strain or strain of the tendons in the wrist, creating a sterile inflammatory lesion. It is often accompanied by cold, which slows down the blood circulation and causes a buildup of inflammatory metabolites, which can stimulate the peripheral nerves and produce pain. In addition, when the thumb is moving, the tendons of the thumb are connected to the tendons of the wrist, so the movement of the thumb will drive the injured or strained tendons of the wrist to be strained, which will produce significant irritation and pain. When this happens: First, keep the wrist tendons in a relaxed state to avoid further painful stimulating movements. Two, must pay attention to keep warm, can not be cold, you can use a warm water bag for hot compress, increase blood circulation, promote the absorption of inflammatory metabolites. Third, the external application of ointment to activate blood stasis and relieve tendons and channels, such as blood pain relief cream, injury pain relief, can play a fixed, protective, warm, as well as blood circulation, dredge the meridians and channels. Generally, after the above treatment, the symptoms will be significantly improved in 2-3 days.