"Continued use of GPS running in the background can dramatically decrease battery life." From our heart to yours, Instant HR Team What’s New 28 Feb 2025 Version 7.3.0 • General performance enhancements & bug fixes Enjoying Instant Heart Rate? Take a brief moment to rate us on the App...
Knowing your max heart rate can help determine how to train smarter. Max heart rate varies by age and fitness level, but this formula is widely used.
When you know your maximum heart rate, you can calculate your heart rate zones and train at the right intensity. Read how to calculate your max HR.
Heart rate variability measures the time between your heartbeats and is one of the most valuable metrics for assessing your overall health and wellbeing.
While there is no resting heart rate difference by age, your target heart rate can vary. Target heart rate is a range that shows how fast your heart should be beating when you're exercising. It's considered an ideal zone for getting the most out of your workout without overworking. ...
Heart rate (HR) has long been used as a clinical indicator of overall cardiac health. HR is predominantly influenced by the coordination of the sympathetic and parasympathetic branches of the autonomic nervous system, which can be modified by biopsychosocial factors including physical and relational st...
min minute, rHRI65% maximal rate of heart rate increase assessed at a running speed eliciting ~ 65% of peak HR (5 min in duration); rHRI85%, maximal rate of heart rate increase assessed at a running speed eliciting ~ 85% of peak HR (5 min in duration), 5TTT 5-km ...
EKG.This test records the electrical signals in your heart and shows the rate and rhythm of your heartbeats. Echocardiogram.This test uses sound waves to make detailed images of your heart in motion. It can show how blood moves through the heart and heart valves. ...
2.3.1. Heart Rate Variability Measurements Recordings HRV parameters were performed with Firstbeat Bodyguard 2 (Firstbeat Technologies, Jyvaskyla, Finland). When the participants were to sleep, they placed the device in the chest, which was connected through two electrodes that guaranteed the correct ...
Heart rate (beats 路 min 1 ; f c ) measured during marching with a load is often used to predict the oxygen cost (1路min 1 ; VO 2 ) of the activity. The prediction comes from the f c /VO 2 relationship determined from laboratory measures of f c and VO 2 during treadmill running...