The Effect of a Group Exercise Intervention on Balance in People With Knee Osteoarthritis: a Pilot Study

Inclusion Criteria: * Medial compartment knee osteoarthritis, diagnosed from a physician or meeting the American College of Rheumatology Clinical Classification Criteria for Osteoarthritis of the knee * Pass the Get Active Questionnaire to ensure that they are safe to begin an exercise program Exclusion Criteria: i) severe knee trauma, knee surgery, or intraarticular knee joint injections in the previous six months ii) active synovitis iii) concurrent neurological (i.e. Parkinson's disease, Alzheimer's dementia, or polyneuropathy), endocrine (i.e., diabetes mellitus) and/or vestibular disorders which may affect balance iv) chronic disease that may put them at risk during the exercise classes (i.e., history of heart failure, stroke, chronic obstructive lung disease) v) uncorrected visual impairment which may affect balance vi) an inflammatory rheumatic disease (i.e., rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, and chronic reactive arthritis)