Arthritis is referred to the degenerative & desolating condition of the joints with loss of snivel fluid. The cartilages are also damaged and associated with swelling in the joints. Arthritis can be pretty immobilizing when it affects the big joints like knee joints and shoulder joints where it is referred as "osteo arthritis". It can also affect the small joints like finger joints, toe joints where it is called rheumatoid arthritis. Arthritis usually translates to immobilization of the patient and he remains bound to his chair.