Inclusion Criteria:  40 years of age and over Have a diagnosis of knee OA by a physician Have an average pain intensity of ≥3/10 on a numeric pain scale  Exclusion Criteria:  Cannot communicate in English Have inflammatory arthritis or other systemic conditions Have had lower limb trauma Had surgery within the past 6-month, have participated in a similar knee OA exercise program in the prior 3-months Have used oral corticosteroids or had a corticosteroid injection in the index knee within 6-months prior to baseline assessment.