The arm can be stretched flat and cannot be bent may be caused by trauma, joint degeneration, joint adhesion and other reasons.
1. Trauma: due to trauma and other factors caused by local soft tissue injury or bone injury, arm bending and contraction, involved in the stimulation of the damaged tissue and cause pain, fracture can also lead to limited activities, so that the phenomenon of the arm can be stretched out and can not be bent.
2. Joint degeneration: due to degeneration caused by the patient elbow joint degeneration, inflammation, hyperplasia, mild pain in the joints, serious cases can lead to joint mobility disorders, thus causing the patient to appear the symptoms of the arm can be flat and can not be bent.
3. Joint adhesion: commonly seen in long time fixation after fracture, not timely rehabilitation exercises, elbow joint, shoulder joint and other soft tissue adhesion, the patient can appear the symptoms of the arm can stretch flat can’t bend.
There may also be other reasons why the arm can not be bent, it is recommended to consult the hospital in time to clarify the cause of the disease, and to carry out targeted treatment or therapy.