Osteoarthritis (OA) is the most common joint disorder, which is due to aging and wear and tear on a joint. Cartilage that cushions your bones at the joints breaks down and wears away, causing the bones to rub together.
Trauma earlier in life
Other types of arthritis
Stiffness in the joints, especially in the mornings
Rubbing, grating, or cracking sound
Pain that may worsen with activity
Application of ice and heat