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Tenosynovitis describes inflammation of the tendon and its covering (the synovial sheath). It can cause pain, swelling, and limited use of the affected body part. It is most common in the hands, wrists, and feet and is typically caused by repetitive movement, overuse, or trauma.

Finger sprains and dislocations are common hand injuries. A sprain happens when the tough tissue that supports a joint is stretched too far. This tissue, called a ligament, can be partially or completely torn. The joint may also be dislocated.

If you have pain in your upper arm or shoulder, you may have irritated your biceps tendon, a condition known as biceps tendonitis. The pain may limit your shoulder motion and make performing normal work and recreational tasks difficult or impossible. You should see a healthcare provider who can diag...

The acromioclavicular (AC) joint is the superior (upper) portion of the shoulder joint, comprised of the distal (furthest from the center of the body) portion of the collar bone (clavicle) and the acromion process of your shoulder blade (scapula). Problems here can lead to loss of shoulder motion, p...

Shoulder blade pain is commonly caused by a muscle strain but can also arise from rotator cuff tears, joint conditions like osteoarthritis, and acute shoulder injuries. In rare cases, the pain may signal a severe condition, like a heart attack or cancer.

Arm pain may be caused by injuries, overuse, arthritis, and nerve problems. Most of the time, it can be treated with rest and home care, but in some cases, arm pain can be caused by serious conditions that require medical treatment.

Pain between the shoulder blades is often due to muscle strain, which may result from lifting heavy objects, poor posture, or overuse. Other health issues can cause upper back pain, though, including acid reflux, disc problems, gall bladder disorders, or even a heart attack. Different disorders will...

Calcific tendonitis is a common source of shoulder pain and can be a frustration given the severity of pain and the duration of symptoms. However, the news is not all bad. On a positive note, the vast majority of patients do find relief with nonsurgical treatments for this condition.

Rotator cuff tears do not heal well with time. They tend to either enlarge or, at best, stabilize in size. The good news is that rotator cuff tears do not necessarily need to heal in order for the symptoms to resolve.

A SLAP tear is an injury to the labrum, the cartilage rim that surrounds the socket of the shoulder joint. SLAP stands for "superior labrum anterior and posterior," meaning that the tear occurs at the front of the upper arm where the bicep tendon connects to the shoulder.1