A disease characterized by pain and stiffness in the joint due to swelling of the joint lining is
rheumatoid arthritis
Rheumatoid arthritis is caused due to the degenerative changes due to old age which attacks the soft tissues of the joints causing inflammation, swelling and pain. A sprain is a stretch or tear of a ligament while a strain is an injury to a muscle or tendon. Dislocation is the displacement of bones in joints.