‘I’m an 81-Year-Old Trainer, and These 5 Moves Gave Me Enough Leg Strength To Hike Across My State—Despite Arthritic Knees’

An arthritis diagnosis often leads people to cut back on exercise. Initially, that was the approach Harry King took. Back when he was just 50 years old and working for an insurance company in South Carolina, a doctor told him not to walk too much or take the stairs because of his arthritic knees, suggesting he only do aqua exercises in the water.