Coach Douglas Wisoff, with back to the camera, goes over some proper running techniques with running clients, from left, Stephanie Welsh of Brighton and
Coach Douglas Wisoff, with back to the camera, goes over some proper running techniques with running clients, from left, Stephanie Welsh of Brighton and Lisa Archer of Longmont, near Lafayette. Wisoff is a physical therapist and sports-movement specialist who owns Radiant Running in Boulder. (Helen H. Richardson, The Denver Post)