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What is the equation to measure maximal heart rate?

  1. MHR = 220 - age

  2. MHR = 208 - (0.7 x age)

  3. MHR = 200 - (0.5 x age)

  4. MHR = 210 - (0.75 x age)

The correct answer is: MHR = 208 - (0.7 x age)

The equation to measure maximal heart rate, which is often deemed more accurate than simpler formulas, is MHR = 208 - (0.7 x age). This formula stems from research indicating that the relationship between age and heart rate is linear, and the factor of 0.7 helps fine-tune the estimation for individuals, taking into account variations in heart rate response across different ages. This formula is derived from larger population studies that have produced a more reliable average for predicting maximal heart rate compared to older formulas that may not account for this nuance. By using the 0.7 coefficient, it reduces the number of beats per minute attributed to age compared to more basic formulas, like the one commonly known as MHR = 220 - age. This helps improve the accuracy of working out intensity levels in exercise programs, making it particularly relevant for health coaching and tailored fitness plans. In summation, this equation recognizes that as people age, their maximum heart rate decreases, but it does so in a way that is customization-friendly, showing a detailed consideration of individual differences rather than relying on a one-size-fits-all approach.