1 in 6 Canadian adults has arthritis, the majority being osteoarthritis (OA). OA is a disease of the joint cartilage with multiple contributing factors including genetics, previous joint injury, body weight and muscle weakness. Pain associated with OA may cause individuals to avoid physical activity which can lead to secondary complications and worsening of symptoms. Physiotherapists are experts in exercise prescription for conditions such as OA and can help you safely engage in exercise in a way that can decrease pain, increase strength, allow continued participation in activity and possibly prolong the life of your joint.