AT SOUTH MIAMI HOSPITAL: Dr. Theodore Feldman  and cardio tech Josie Mujica demonstrate a stress test.
AT SOUTH MIAMI HOSPITAL: Dr. Theodore Feldman and cardio tech Josie Mujica demonstrate a stress test. DANIEL BOCK FOR THE MIAMI HERALD
AT SOUTH MIAMI HOSPITAL: Dr. Theodore Feldman and cardio tech Josie Mujica demonstrate a stress test. DANIEL BOCK FOR THE MIAMI HERALD

Health & Fitness

February 16, 2015 2:04 PM

Determining your optimal heart rate can improve your fitness performance

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