Also known as Dequervain’s tenosynovitis, gamer’s thumb is “a condition that causes pain, stiffness and a sensation of pain with thumb and wrist motion,” says the American Academy of Orthopaedic Surgeons.
Carpal tunnel syndrome is a condition that affects the hand, wrist, and arm. It happens when the median nerve gets compressed, or squeezed, at the wrist. The median nerve is a large nerve running from the palm to the upper arm.
Knee effusion, sometimes called water on the knee, occurs when excess fluid accumulates in or around the knee joint. Common causes include arthritis and injury to the ligaments or meniscus, which is cartilage in the knee.