What should I do if my shoulder hurts when I lift my hand behind my back?

Shoulder pain when lifting the hand to the back is related to frozen shoulder, shoulder tendonitis, rotator cuff injury, and can be treated conservatively or surgically depending on the condition. Shoulder pain when lifting the hand to the back is related to the following factors: 1. Frozen shoulder: in acute stage, pain can be given to non-steroidal painkillers (ibuprofen), myorelaxants (eperisone hydrochloride tablets) and other medicines, as well as tricot brakes, local injection of bupivacaine mixture and so on. Functional exercises can be given under the premise of pain relief in the stiffness stage, (upper limb circling, shaking hands). In severe cases, surgical treatment (arthroscopic release surgery) is given. 2. Shoulder tendonitis: avoid shoulder activities, apply hot or cold compresses, anti-inflammatory and analgesic drugs (ibuprofen), intra-articular injections, physiotherapy, surgical treatments and so on. 3. Rotator cuff injury: oral ibuprofen and other non-steroidal anti-inflammatory drugs, subacromial space injection, surgical treatment and so on. Shoulder pain when lifting the hand to the back may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment, not self-medication.