title: Shaping up under a watchful eye. Hospital-based gyms offer medical expertise.
authors.forename: M B
authors.initials: MB
authors.lastname: Marcus
mesh_terms: D000368:Aged; D005081:Exercise Therapy / Q000458:organization & administration*; D005260:Female; D020446:Fitness Centers; D006754:Hospital Restructuring; D006801:Humans; D008297:Male; D012047:Rehabilitation Centers / Q000458:organization & administration*; D014481:United States