Ask the Trainer: What is Target Heart Rate?


Question: Can you explain “Target Heart Rate” and what specific “range” you should work out in to maximize your workout and fat burning potential? I'm working towards weight loss but want to make sure I'm in the optimal zone.

Answer: A target heart rate is the heart rate than many individuals want to train in to maximize their time in the gym. It is the amount of beats per minute that your heart rate is going during exercise. One more specific way to calculate this would be to use the Karvonen formula. It looks like this:

220 – age – RP (resting pulse)= Z
For example- 220 – 40 – 80 = 100

You then take Z times 60% and 75%, which is the recommended fat burning zone
So 100(60%)= 60 and 100(75%)= 75

You then add the resting pulse back into the two numbers
So 60+80= 140 and 75+80= 155

Therefore an average 40-year-old’s individual target heart rate for fat burning would be to stay within 140 – 155 beats per minute.

GUEST BLOGGER | Chad Ruf, Director of Personal Training

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