Arthritis (from Greek arthro-, joint + -itis, inflammation; plural: arthritides) is a arrange of conditions involving damage to the joints of the corpse. Arthritis is the leading cause of disability in people older than fifty-five years. There are many divers forms of arthritis; each has a different cause. The greatest in number common form of arthritis, osteoarthritis (degenerative joint disease) is a result of trauma to the internode, bane of the joint, or age. Emerging evidence suggests that abnormal structural form might contribute to the early development of osteoarthritis. Other arthritis forms are rheumatoid arthritis and psoriatic arthritis, autoimmune diseases in which the body attacks itself. Septic arthritis is caused by joint poison. Gouty arthritis is caused by deposition of uric pungent crystals in the joint, causing inflammation. There is also an exceptional form of gout caused by dint of. the composition of rhomboid crystals of calcium pyrophosphate. This gout is known as pseudogout. History and natural examination All arthritis appearance throe. fret patterns differ depending on the arthritides and the situation. Osteoarthritis is typically worse at death or after resting.