Heart Zones Master Instructor Laura Sachs contributes our latest Audio PROfile.

Laura recently published an article about heart rate training in the June IDEA Fitness Journal. Here's an excerpt and you read the whole article here.

Heart Rate Monitor Benefits
If an athlete wants to train rather than just to work out, using a heart rate monitor to zone in on the right intensity can help track the workout in an intelligent way. Quantifying an activity makes it possible to plan a course of action based on the outcome measurements and the monitoring of that activity. Clients can use a heart rate monitor to gain an accurate picture of workout intensity, putting absolute numbers such as 160 beats per minute (bpm) into relative numbers or percentages of maximum or threshold.
For example, if the number for a client”™s low threshold (the first metabolic shift from increased intensity) is 140 bpm and the maximum heart rate (HRmax) from a field test measurement is 160 bpm, then the relative number (or percentage) is about 88% of HRmax (also referred to as Zone 3: Aerobic Zone). “Low threshold,” or “first threshold,” is referred to as T1 (Foster & Procari 2010).

Edwards has identified five heart rate zones, providing a simple way to set training zones based on participants”™ specific response to exercise intensity.

For decades, fitness enthusiasts have used the 220-minus-age formula (age-adjusted maximum heart rate formula) to mathematically calculate HRmax and thereby derive cardiovascular training zones. According to Carl Foster, PhD, FACSM, professor of exercise and sports science at the University of Wisconsin, La Crosse, and past president of the American College of Sports Medicine, “The formula”™s 220-minus-age is useless. There is no scientific validation for it.” To replace this generalized formula, Edwards has developed a half-dozen user-friendly field tests to determine both maximum and threshold heart rates that result in personalized zones for each individual. “The only way to safely and accurately estimate maximum heart rate,” she says, “is to take a submax field test. We can no longer rely on equations that were fabricated and invalid.”

After reading it I asked Laura to record this some of this as an Audio PROfile.

Here is the pdf to download

Do you have video in your studio? Here are two great videos for running a 20 minute field test for FTP or threshold Heart Rate.

Here's your Spotify PRO/Playlist! Deezer. We have made every attempt to replicate the original playlist. In some instances the tracks specified were unavailable in Spotify. When necessary we have substituted individual songs of similar length and tried to maintain the Instructor's intent. 

Originally posted 2011-07-31 06:29:09.


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