1, joint dislocation or dislocation. Generally related to violence, it usually causes joint deformation or swelling, congestion and severe pain. Because dislocation may damage the nerves around the bone, it is easy to cause tingling or soreness and numbness in the innervation area when bending the elbow.

2, elbow joint tumor. When there are tumors in the bones or soft tissues of the hand and elbow joint, it is easy to cause local pain, especially when the arm is bent, the pain will be more intense.

3. Osteoarthritis. Osteoproliferation or osteophyte appears in the elbow joint of the hand, which easily leads to elbow joint movement disorder, and elbow joint will have pain symptoms when bending the arm.