What is Arthritis?
The term arthritis refers to pain, swelling and stiffness of joints. Pain is due to the irritation of nerve fibers in the inflamed joints. Swelling is due to either increased fluid in the joints or due to hypertrophy of the synovial membrane which is covering the joint . Stiffness refers to the discomfort in moving joints following a period of inactivity. This is classically described as increase in difficulty in moving joints or making a fist soon after getting up from the bed. This is relieved with activity and aggravated by rest. There are close to 230 movable joints in the body . Arthritis can affect any of these parts resulting in pain in the corresponding area like knee pain, back pain or neck pain.