Degenerative changes of bones in the neck that place pressure on nerves and muscles to the arms, legs and bladder. May be caused by arthritis, injury or outgrowths of bone that may occur with aging. See Arthritis. Symptoms include pain in neck and shoulders, numbness and tingling in arms, hands and fingers, muscle weakness, dizziness, headache and double vision. Loss of bladder control and leg weakness may occur with advanced disease. Treatment usually relieves symptoms; rarely, surgery is required.