Garmin's HRM 600 heart rate chest strap adds to the running dynamics recorded by a Garmin watch, including step speed loss.

In its biggest update yet, the app introduces a redesigned Smart Trainer, improved mid-workout tools, and sync devices.

If you own a wearable fitness tracker, you've likely seen a category referring to your resting heart rate. As the name ...

Here's how Zone 2 cardio works and whether there are any real benefits of getting ... in the zone ... with this fitness trend ...