Ivo Lupis, 84, has been working as a personal trainer on 57th St since 1967. His recently client age spans from ages 4-93, though he now mostly works with seniors. Pictured, Janie Fox, 66 who has trained with Lupis for more than 35 years. (She appeared with him in a Times photo in 1989).
Danny Ghitis for The New York Times
