Calculate Heart Rate Recovery

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Understanding Heart Rate Recovery

Heart Rate Recovery (HRR) is a measure of how quickly your heart rate decreases after a period of strenuous exercise. It's a valuable indicator of cardiovascular fitness and the efficiency of your autonomic nervous system. A faster heart rate recovery generally suggests a stronger and healthier heart.

To calculate Heart Rate Recovery, you need two key measurements:

  1. Peak Heart Rate: This is the highest heart rate you achieved during your exercise, typically measured immediately after you stop exercising intensely.
  2. Heart Rate after a specific recovery period: This is your heart rate measured a specific amount of time (usually 1 or 2 minutes) after you've stopped exercising intensely.

The formula for Heart Rate Recovery is straightforward:

HRR = Peak Heart Rate – Recovery Heart Rate

A higher HRR value (meaning a larger drop in heart rate) is generally considered a positive sign of good cardiovascular health and fitness. For example, a recovery heart rate that drops by 20 beats per minute or more within one minute is often seen as good.

Heart Rate Recovery Calculator

.calculator-container { font-family: sans-serif; display: flex; flex-wrap: wrap; gap: 20px; margin-top: 20px; } .article-content { flex: 1; min-width: 300px; } .calculator-form { flex: 1; min-width: 300px; border: 1px solid #ccc; padding: 20px; border-radius: 8px; background-color: #f9f9f9; } .form-group { margin-bottom: 15px; } .form-group label { display: block; margin-bottom: 5px; font-weight: bold; } .form-group input { width: calc(100% – 20px); padding: 10px; border: 1px solid #ccc; border-radius: 4px; } .calculator-form button { background-color: #007bff; color: white; padding: 10px 15px; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; } .calculator-form button:hover { background-color: #0056b3; } #result { margin-top: 20px; font-size: 1.1em; font-weight: bold; color: #333; } function calculateHRR() { var peakHeartRateInput = document.getElementById("peakHeartRate"); var recoveryHeartRateInput = document.getElementById("recoveryHeartRate"); var resultDiv = document.getElementById("result"); var peakHeartRate = parseFloat(peakHeartRateInput.value); var recoveryHeartRate = parseFloat(recoveryHeartRateInput.value); if (isNaN(peakHeartRate) || isNaN(recoveryHeartRate)) { resultDiv.innerHTML = "Please enter valid numbers for both peak and recovery heart rates."; return; } if (recoveryHeartRate > peakHeartRate) { resultDiv.innerHTML = "Recovery heart rate cannot be higher than peak heart rate."; return; } var hrr = peakHeartRate – recoveryHeartRate; resultDiv.innerHTML = "Your Heart Rate Recovery is: " + hrr + " bpm"; }

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