It is known as wear-and-tear arthritis and can cause knuckle pain due to joint cartilage wearing away. It often affects the ...

Knuckle cracking, a common habit, involves the formation of an air bubble in the synovial fluid of finger joints. While the exact cause of the cracking sound remains unclear, studies have not ...

Medically reviewed by Jennifer Steinhoff, MD Finger sprains and dislocations are common hand injuries. A sprain happens when ...