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

The temporomandibular joint (TMJ) is the hinge-like bone that connects your jaw and your skull. You can feel it moving by pressing your index fingers to ... attention if any pain arises.

Arthritis wears away at the cartilage of a joint, which is the cushioning material ... Straighten your thumb back up. Then ...