title: How to choose and use a heart rate monitor.  These devices can help you safely reach your fitness goals.
mesh_terms: D000367:Age Factors; D003657:Decision Making; D015444:Exercise / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D018670:Monitoring, Ambulatory / Q000295:instrumentation*; D008991:Monitoring, Physiologic / Q000295:instrumentation*