You cannot fully extend the knee. Pain, swelling, and inflammation after acute injuries can all make knee range of motion difficult. If a patient comes to my office days after an injury and I canât straighten the knee, I get at least a little concerned. It can be a nonspecific finding, though.
Arthritis is very common but is not well understood. Actually, âarthritisâ is not a single disease; it is an informal way of referring to joint pain or joint disease. There are more than 100 different types of arthritis and related conditions.People of all ages, sexes and races can and do have arthritis, and it is the leading cause of disability in America.steoarthritis is the most common type of arthritis. When the cartilage â the slick, cushioning surface on the ends of bones â wears away, bone rubs against bone, causing pain, swelling and stiffness.
Advertisement. Arthritis, an inflammation or damage of the joints of the body, can be classified as either inflammatory or non-inflammatory. Inflammatory arthritis is a type of arthritis that involves the immune system and inflammation of the joints.It's an autoimmune disorder in which the body's immune system attacks its own antibodies, i.e. white blood cells in the joint fluid, leading to different types of medical problems.he most common and painful form of arthritis is the inflammatory arthritis, which is an autoimmune disorder. This article provides some information about the types, causes, symptoms, and treatment.