Your resting heart rate (RHR) is the number of times your heart beats per minute when you are at complete rest. It's a valuable indicator of your cardiovascular fitness. A lower RHR generally suggests a more efficient heart and better overall fitness.
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Understanding Your Resting Heart Rate
Your resting heart rate is a key metric for understanding your cardiovascular health. While a typical healthy RHR for adults often falls between 60 and 100 beats per minute (bpm), this can vary based on several factors. Athletes, for instance, may have RHRs as low as 40-50 bpm due to their highly efficient cardiovascular systems.
Factors influencing RHR include:
Age: While not as dramatic as other factors, RHR can slightly increase with age.
Gender: On average, women tend to have a slightly higher RHR than men.
Fitness Level: Regular aerobic exercise strengthens the heart, allowing it to pump more blood with each beat, thus lowering RHR.
Medications: Certain medications can affect heart rate.
Body Temperature: An elevated temperature can increase heart rate.
Emotions: Stress, anxiety, or excitement can temporarily raise your heart rate.
Body Position: Lying down usually results in a lower RHR than sitting or standing.
Environment: High temperatures or humidity can increase heart rate.
How to Measure Your Resting Heart Rate:
The best time to measure your RHR is first thing in the morning, before you get out of bed or start your day.
Find your pulse on your wrist (radial artery) or neck (carotid artery).
Using your index and middle fingers, gently press on the artery.
Count the number of beats for 30 seconds and multiply by 2, or count for a full minute for a more precise reading.
Do this for several days and take an average to get a reliable RHR.
This calculator provides general age- and gender-based guidelines for a healthy resting heart rate. It is not a substitute for professional medical advice. Always consult with your doctor for personalized health assessments and advice.
var calculateHealthyRHR = function() {
var ageInput = document.getElementById("age");
var genderInput = document.getElementById("gender");
var resultDiv = document.getElementById("result");
var age = parseFloat(ageInput.value);
var gender = genderInput.value;
if (isNaN(age) || age <= 0) {
resultDiv.innerHTML = "Please enter a valid age.";
return;
}
var lowerBound, upperBound;
// General age-based RHR guidelines (these are broad ranges and can vary)
if (age = 18 && age 65
lowerBound = 70;
upperBound = 100; // Adults over 65 may have a slightly higher RHR
}
// Gender adjustment (slight difference, often women have higher RHR by a few bpm)
if (gender === "female") {
if (lowerBound < 100) lowerBound += 2; // Small adjustment
if (upperBound 110) upperBound = 110;
}
// Ensure bounds are logical
if (lowerBound > upperBound) {
var temp = lowerBound;
lowerBound = upperBound;
upperBound = temp;
}
resultDiv.innerHTML = "