What causes joints to pop?

Answer by  spragoo (1500)

When people crack their knuckles it is a release of the pressure built up by gasses. Now if bigger joints "pop" it could be a sign of and injury. If it popped and you felt a tremendous amount of pain then you should immediately go see a doctor. You could have injured yourself.

Answer by  shijo (861)

Problem in the joints can cause popping. Hence the joint problem must be recoganized as soon as possible. It may be an cartilage problem in your joint. Sedentary life styles can also bring problems in the joint. Physical therapy is the best treatment which can be done for a joint problem.

Answer by  eyeguy (3760)

When a joint pops its because the two adjoining bones are being manipulated in a way which pushes trapped air outside of the joint. It is harmless and carries no ill effects.