The second joint of the index finger of the left hand is a little painful when bent

Many reasons will lead to a bending of the second joint of the left index finger a little pain, such as tendinitis, arthritis, stenotic tenosynovitis, tendon edema, tendon sheath hyperplasia and so on. It is recommended that patients see a doctor in time, after the cause is clear, targeted treatment, usually do not move the joint violently.