Common conditions that cause thumb pain include arthritis, tendonitis, trigger thumb, carpal tunnel syndrome, and ligament ...

It is known as wear-and-tear arthritis and can cause knuckle pain due to joint cartilage wearing away. It often affects the DIP and PIP joints and joints at the base of your thumb (where the thumb and ...

Knuckle cracking, a common habit, involves the formation of an air bubble in the synovial fluid of finger joints. While the ...