There are a number of issues that can cause shoulder pain, including osteoarthritis, rotator cuff injuries, fractures, rheumatoid arthritis or other inflammatory disorders, or osteonecrosis which impacts blood flow to the humerus.
De Quervain's tenosynovitis (pronounced da-KWUHR-vanes teena-sine-ah-VITE-us) is a complicated name for a condition that's been referred to as "mother's thumb," "mommy wrist" and "gamer's thumb"—all associated with repetitive use of the hands and wrist. It is a condition that causes extreme pain in the wrist and thumb area.
When something compresses or pinches a nerve in the shoulder, a person may experience pain, numbness, or tingling. Pinched nerves typically heal without treatment.