![]() This is very comfortable for the user but there are drawbacks. When you’re wearing your smartwatch or fitness tracker, the heart rate sensors at the bottom of the dial press up against the skin and tracks heart rate. PPG is a technical term for shining light into the skin and measuring the amount of light that is scattered by blood flow. Smartwatches and fitness trackers use a method called photoplethysmography (PPG) to measure heart rate. Image: Boris Stefanik, Unsplash Smartwatches and Fitness Trackers Pros To pick up electrical impulses coming from your heart, the pads on the chest straps need a bit of moisture, so they may need a few minutes once you get sweating to give you an accurate reading, reports Colin Levitch in CyclingNews. On the other hand, constant exposure to sweat can cause them to corrode, which means interference with the electrodes and delivering inaccurate readings. Many people find chest straps to be uncomfortable. A 2017 study published in the Journal of Medicine and Science in Sport and Exercise showed that Polar H7 chest strap was 99.6% accurate when tested against an ECG. Some brands like Polar claim their straps can measure heart rate to a granular degree of accuracy. Electrodes embedded on these chest straps press against the skin and uses electrocardiography to get the heart’s electrical activity. Chest straps Prosīefore smartwatches, only way to monitor heart rate was a chest strap. Many people track their heart rate data to estimate their energy expenditure, which is very helpful for body composition.īut how accurate is the data your device is giving you and which ones are better for monitoring your heart – smartwatches or chest straps? Here we compare few types of chest straps and smartwatches.īoth, smartwatches and chest straps, do the same thing but in hugely different ways. Many smartwatches offer heart rate tracking features and there are also chest straps that can monitor your heart. People now prefer wearing a smartwatch over a dumb watch because of its usefulness in tracking health. Read more The Best Heart Rate Tracking Watches and Chest Straps for 2021 Smartwatches are slowly replacing analog watches (aka dumb watches) and smart glasses allow us to see more than what’s around us. ![]()
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