A Osteoarthritis may present many features on clinical examination.
In hands you look for signs of inflammation the promimal and distal IP joints and look for Heberden Nodes and Bouchard Nodes. The pattern of involvement of joints is also different in OA as compared to RA. In hands there is involvement of promimal and distal IN joints. Moreover, OA mostly involvement of weight bearing joints Like Knees, Hips, Spine and rarely ankle. As it is the degenrative type of disease so there will be signs of effusion, elargement of bony ends due to osteophyte hypertrophy, muscles wasting in the afftected joint, loss of joint range of motion, functional disability, crepitus.