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.
De Quervain's Tenosynovitis: Conservative Management and Surgical Treatment
De Quervain's tenosynovitis (also called de Quervain's disease) is a condition that affects tendons that attach to two muscles of the thumb—extensor pollicis brevis and abductor pollicis longus.
Causes of Hands and Fingers Locking Up
Hands locking up can be a symptom of various medical conditions, or occur as a side effect of anxiety. Common causes of hands locking up include rheumatoid arthritis, osteoarthritis, carpal tunnel syndrome, Dupuytren's contracture, and trigger finger. These conditions can also cause pain, swelling, and difficulty with daily tasks.
Back to Play After Shoulder Injury
Football volleyball, rugby. Even biking or snowboarding can set an athlete up for a serious shoulder injury and require surgery to fix it.
Advice From A Certified Hand Therapist: Thumb Arthritis
Do you feel aches and pains specifically at the base of your thumb? Do you find that the pain becomes worse when performing certain types of pinching, grasping, or gripping? Have you been experiencing stiffness, weakness, or a loss of motion at the base of the thumb? If any of these describe your symptoms, you may have osteoarthritis of the thumb, also known as basal joint arthritis or thumb arthritis.