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  2. Visible (mobile app) - Wikipedia

    en.wikipedia.org/wiki/Visible_(mobile_app)

    The app gathers data on exertion levels, symptom severity, and heart-rate variability. HRV is approximated using a smartphone's camera via a technique called photoplethysmography, and according to the app's developers, can indicate how much someone needs rest. [1] [4] [3] The app is currently free, but is expected to be freemium in the

  3. Heart rate monitor - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_monitor

    A heart rate monitor (HRM) is a personal monitoring device that allows one to measure/display heart rate in real time or record the heart rate for later study. It is largely used to gather heart rate data while performing various types of physical exercise. Measuring electrical heart information is referred to as electrocardiography (ECG or EKG).

  4. Pulse watch - Wikipedia

    en.wikipedia.org/wiki/Pulse_Watch

    Wearable technologies that monitor heart rate has interested users for a very long time. [14] In addition to the pulse watch which monitors heart rate from pulse detection at the wrist. There are also devices which use similar technologies to monitor heart rate from the ear, forearm and chest, using a chest strap. [2]

  5. Azumio - Wikipedia

    en.wikipedia.org/wiki/Azumio

    Instant Heart Rate, released in October 2010, [11] is a mobile Heart Rate Monitor app. With advancements in mobile phone camera resolution, most smart phones can accurately measure heart rate by analyzing minute color changes of the skin.

  6. Fitness tracker - Wikipedia

    en.wikipedia.org/wiki/Fitness_tracker

    The Fitbit Charge 3 activity tracker. A fitness tracker or activity tracker is an electronic device or app that measures and collects data about an individual's movements and physical responses, towards the goal of monitoring and improving their health, fitness, or psychological wellness over time.

  7. Parents of Olympic athletes are wearing heart rate monitors ...

    www.aol.com/lifestyle/parents-olympic-athletes...

    The monitor showed his heart rate was at 164 beats per minute (bpm) at the start of his daughter’s routine. But his heart rate jumped up to 181 bpm as he continued to watch.

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