Daily purposeful walking assoc w/ lower risk of Knee OA (KOA). UK Biobank study of 89,969 persons, F/U 6.8 yrs - 2711 developed KOA. HRs for incident KOA were 0.84 (0.76-0.92), 0.81 (0.71-0.90), and 0.74 (0.64-0.85) if walking ~5000, ~7000, & ≥8000 steps/d, respectively https://t.co/St9QLuOy9R