Gait Modification and Knee Joint Load

This pilot study aims to assess the effect of a 6-week individualized gait retraining program on knee load and symptoms in persons with knee osteoarthritis (OA).

Inclusion Criteria: * people with radiographic TF OA fulfilling American College of Rheumatology classification criteria * reporting average knee pain on walking \> 3 on an 11-point scale (0-10) in at least one knee * pain or tenderness predominantly located on the medial knee. Exclusion Criteria: * medial TF joint space width greater than lateral * Kellgren/Lawrence (K/L) grade 4 * knee surgery or intra-articular corticosteroid injection in the past 6 months * uncomfortable walking on treadmill for 20 minutes * unable to walk without a walking aide * inflammatory arthritis * other musculoskeletal or neurological disorders that affect gait patterns * currently receiving physical therapy