Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2023 Jan 24;13(1):e065032. doi: 10.1136/bmjopen-2022-065032

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

PMC Copyright notice

Polar OH1 heart rate monitor. (A) Picture of the monitor and charger. (B) Proper placement of the monitor, with the device on the forearm. (C) The polar beat APP on a smart phone streams data in real time from the OH1 monitor via Bluetooth. (D) After a session, data are Retrievable from the polar coach website, where it is exported to a CSV file and processed in Matlab. CSV, comma-separated values.