New FAQ: Is my target heart rate calculation accurate?
New FAQ: Is my target heart rate calculation accurate? Wednesday April 1, 2009#spacer{clear:left}#abc #sidebar{margin-top:1.5em}zSB(3,3)I get many questions from readers and clients about target heart rate zones – namely, are target heart rate calculators accurate? There’s been much studied and written about this because the basic formula we’ve always used to calculate maximum heart rate (220 – age=MHR), which is one element you use to calculate your zones, has never been validated. While experts have updated that formula (now it’s 206.9 – (.67 x age)), we now know that there is no formula that provides 100% accuracy. The point is, many people rely on those numbers even if they’re not working. The most common question I hear is: “I’m working in my target heart rat