Study of Wearable Interventions for Improving Mobility of Individuals With Knee Osteoarthritis

Inclusion Criteria: * Any gender * 21+ years of age * Doctor-diagnosed tibiofemoral knee osteoarthritis * Self-report knee pain or stiffness on most days of the past month * Self-report of difficulty walking due to at least one knee * Self-report of restricted walking behavior (not engaging in 150 minutes of moderate walking a week) due to at least in part one knee * Able to walk one block without the use of an assistive device (e.g. a cane or walker) * Able to engage in a walking activity program with the wearable intervention for approximately 30 minutes using standing or sitting rests as needed Exclusion Criteria: * Unable to walk at least 10 minutes in the community due to an existing cardiovascular, cardiopulmonary, musculoskeletal, or neurological condition * Planning knee, hip, ankle or back surgery within the next 6-months * Ankle or hip osteoarthritis * Inflammatory arthritis (e.g., rheumatoid arthritis, psoriatic arthritis, scleroderma, Lymes Disease, Lupus) * Bilateral total knee replacements * Use of an assistive device (e.g., walker or cane) in home or in the community * Self-reported fall within the past 6-months that resulted in limitations in daily activities * Lower extremity/foot peripheral neuropathy or other sensory disorders * Diagnosed with vestibular or other balance disorder that impact walking * Open wounds or active skin irritation on the leg shank * Open wounds or active ulcers of either feet * Unstable cardiovascular disease * Unstable respiratory disease * History of past or current deep vein thrombosis * Active back pain that limits walking * Use of supplemental oxygen to walk