Deltoid Muscle Anatomy and Function
The deltoid muscle is the main muscle of the shoulder. A triangle-shaped muscle, it helps move your upper arm and stabilizes the shoulder joint.
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Advanced treatments target advanced shoulder issues
Shoulder pain, weakness and range of motion loss can keep you from the activities you need and love to do, whether it's lifting boxes on the job, putting away dishes in the kitchen or hitting that powerful tennis serve.
Shoulder pain affects 1 in 4 adults
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.
How to Avoid Shoulder Pain at Work
Long periods of physical work involving positioning the arms over the shoulder and excessive load on the shoulders are common direct causes of shoulder pain.
Is your thumb pain de Quervain's tenosynovitis?
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.
