Harvard Medical School Core Exercises: 6 workouts to tighten your abs, strengthen your back, and improve balance
This Special Health Report was prepared by the editors of Harvard Health Publications in consultation with Faculty Editor Edward M. Phillips, M.D., Assistant Professor, Department of Physical Medicine and Rehabilitation, Harvard Medical School and Director and Founder, Institute of Lifestyle Medicine, as well as Master Trainers and Fitness Consultants Josie Gardiner and Joy Prouty.