A knuckle is a finger joint. Like other joints, it can experience injury or be affected by a health problem. Each of your ...

Ulnar deviation is a hand deformity where fingers lean toward the outer side of the hand. Symptoms include swollen knuckles, pain and stiffness in the hand, and difficulty bending your fingers.

Cracking knuckles doesn’t increase arthritis risk ... Temporary swelling in the joints Underlying joint issues – Pain or swelling after cracking could indicate a pre-existing joint condition ...