Mark is a 6 foot tall, 20 year old intern who would like to…

Mark is a 6 foot tall, 20 year old intern who would like to exercise.  His blood pressure is 110/50, and he has a resting heart rate of 70 beats per minute (bpm).  Mark wishes to exercise at an intensity of 70-80%.  Calculate a target heart rate range (THRR) for Mark using the Karvonen method.   (1) Predicted Max Heart Rate: _[number1]___ bpm   (2) Heart rate reserve: _[number2]___ bpm (3) Low end of THRR: _[number3]___ bpm (4) High end of THRR: _[number4]___ bpm