Fitness

What are resting heart rate and recovery time? How do they change as fitness improves? ... If you do the same workout for several weeks, what will happen to your fitness? ... 220 – age = Maximum Heart Rate (MHR) 60% = MHR x .6. 80% = MHR x .8. Example: Lori is 13 years old. What would her MHR, 60%, and 80% target heart rate training zones be? ................
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