Why are fitness professionals so obsessed with target heart rates?
You’ll often read that your target heart rate (HR) should be 60 to 80 percent of your maximum HR when you exercise. And, to reap the health benefits of cardio, your training plan should include a goal of three to five 20- to 60-minute workouts per week (not including warm-ups). Although athletes often exceed the 60-80 percent goal for increasing […]
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