【實用健康app】HRV4Training|最夯免費app-綠色工廠好玩App

HRV4Training helps you optimize your goals and prevent overtraining by measuring your Heart Rate and Heart Rate Variability and providing tailored feedback on your physical condition. HRV4Training does not require a heart rate monitor, since it can accurately assess your HRV using the phone's camera. Main features: - HRV-based advice helps you to adapt your trainings based on objective measures of recovery- configurable test (single or orthostatic, choose test duration between 1, 3 or 5 minutes)- configurable paced breathing to improve test reliability (choose between 6, 8 and 10 breaths per minute)- extracts and stores the following features while lying down and/or standing: heart rate, mean of beat-to-beat intervals (AVNN), standard deviation of beat-to-beat intervals (SDNN), square root of the mean squared difference of successive R-Rs (rMSSD), number of pairs of successive R-Rs that differ by more than 50 ms (pNN50), low frequency power (LF, 0.04-0.15 Hz), high frequency power (HF, 0.15-0.40 Hz)- works with Bluetooth SMART heart rate monitors (a Polar H7 is recommended) or simply your finger- shows the PPG signal view to ensure signal quality during the test if the camera is used instead of a bluetooth SMART sensor- lets you annotate your training days and training intensity to provide more accurate analytics on how your trainings impact your physical condition- TAGS: lets you tag your sleep, mental energy, muscle fatigue, stress and trainings- HRV4T Recovery Points to provide a single, straightforward metric to analyze your physical condition- Population summaries and people like you comparisons to put your data into perspective- Trends to look at the bigger picture- custom analysis on the relation between trainings and HRV- integrates with the Health app (writes heart rate)- data export via email or Dropbox- RR-intervals correction- share on the main social networksMore details on HRV and app usage are available here: http://www.marcoaltini.com/2/post/2013/12/hrv4training-app-details.htmlMore details on HRV using the phone's camera are available here: http://www.marcoaltini.com/2/post/2014/01/heart-rate-variability-using-the-phones-camera.html