Arthritis Arthritis Arthritis is a term often used to mean any disorder that affects joints. Symptoms generally include joint pain and stiffness. Other symptoms may include redness, warmth, swelling, and decreased range of motion of the affected joints. In some types other organs are also affected. Onset can be gradual or sudden. There are over 100 types of arthritis. The most common forms are osteoarthritis (degenerative joint disease) and rheumatoid arthritis. Osteoarthritis usually occurs with age and affects the fingers, knees, and hips. Rheumatoid arthritis is an autoimmune disorder that often affects the hands and feet. Other types include gout, lupus,
Post-traumatic arthritis males. The process of post-traumatic arthritis can be divided into three phases: immediate, acute, and chronic. This phase usually begins a few seconds after the injury; it is characterized by cell necrosis, collagen rupture, swelling of the cartilage, hemarthrosis, and the loss of glycosaminoglycans (GAGs). In this phase, acute post-traumatic arthrosis emerges. Matrix degradation, leukocyte infiltration, inflammatory mediators, deficient lubricants, and apoptosis can occur. Typically, the acute phase comes hours after the injury. The chronic phase occurs months or years after the trauma. Typical symptoms are joint pain and dysfunction. Post-traumatic arthritis is diagnosed with the help of a patient's