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- Reassign device to another user
- Set up participant in-app consent
- How to charge Garmin devices best
- Sync via USB cable to Android tablet
- Set up data collection profile
- Influence of profile information on data collection accuracy
- Use Notifications
- Use Questionnaires
- Wearable and Device ID Management
- Sleep Recording with Garmin Devices
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- How to charge Garmin devices best
- Influence of profile information on data collection accuracy
- Wearable and Device ID Management
- Standard Reports
- Sleep Report
- 6 Minute Walk Test
- HRV Report
- Prepare your project
- Body Battery Report
- Data Dictionary
- Use Fitrockr Live app
- Create new user account
- Connect Fitrockr API
- View user health data
- Export raw data
- Trouble shoot device pairing
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- Garmin Storage Size Test
- HRV via Garmin Connect Sync
- How to charge Garmin devices best
- Sleep Recording with Garmin Devices
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- Use Garmin HRM PRO Monitor
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Case Studies
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- First Aid Serious Games - powered by Fitrockr Live
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Pricing, Plans & Payment
Heart Rate Variability (HRV) Report
Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the variation in the beat-to-beat interval.
The Fitrockr Heart Rate Variability (HRV) Report automatically provides key HRV metrics that can be viewed in the Fitrockr Admin & Research Center or easily downloaded and imported into third party tools.
(1) Go to https://admin.fitrockr.com on a web browser
(2) Enter your login and password
(3) Navigate to “Reports” > “HRV”
(4) Users: select one or more users to be included in the report.
(5) Time Period: select the from/to dates to be covered by the report.
(6) Measurements: select one or more timeframes to be included in the report. If you select 0:00-24:00, you will get all day metrics. If you select 8:00-12:00, you will get the metrics for this timeframe each day only.

The HRV Report will provide the following key metrics:
– Min HRV: lowest HRV.
– Avg HRV: average HRV.
– Max HRV: highest HRV.
– SDNN: standard deviation of the IBI of normal sinus beats (SDNN)
– RMSSD: root mean square of successive RR interval differences.
– SD1/SD2: ratio of SD1 to SD2.
– PNN50: percentage of successive RR intervals that differ by more than 50 ms.
– LF/HF: ratio of LF to HF power.