Answer:

C: The Knee

According to the World Health Organization, with a prevalence of 365 million, the knee is the most frequently affected joint, followed by the hip and the hand. Osteoarthritis (OA) is a degenerative joint condition. It causes pain, swelling and stiffness, affecting a person’s ability to move freely. For more information on how physical therapy can treat OA visit us online or request an appointment.