This concept map provides an overview of the pathophysiology, signs and symptoms, nursing interventions, and treatment options for osteoarthritis. It explores the age-associated loss of bone volume and equilibrium, degeneration of cartilage and collagen, narrowing of joint spaces, and the impact on the patient's physical and emotional well-being. The map also discusses medication administration, occupational therapy, and cognitive-behavioral therapy as part of the patient-centered treatment approach.