What are the signs and symptoms of osteoarthritis in the knees?

Knee OA symptoms & signs are quite variable. Symptoms: stiff in early morning, pain with climbing or walking down the stairs, standing long enough, feeling bone to bone sound when moving the knee... Signs: local warmness, mild swelling or deformity, palpating the knee when passively moving it can feel the bone to bone contact ... A person with OA has one or several symptoms or signs or no S/S.