DIP joints are the closest to the fingertips. Any of these knuckles can experience pain. Knuckle pain has various causes, ...

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 ...

One theory posits that the sudden motion involved in cracking your knuckles stimulates nerve endings around the joint, leading to a decrease in pain and ... its potential to cause arthritis ...