Experts explain the best ways to measure your cardio fitness, plus the most important strategies for improvement.

Most fitness trackers are designed to get wet ... sleep, and VO2 Max for aerobic and cardio fitness. It comes with a very good GPS plus notifications for calls and texts, which makes it good ...

Activity trackers, also known as activity monitors or fitness trackers ... Services recommends at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity a ...

Cardiorespiratory, or aerobic, fitness is a much better predictor of all-cause mortality and heart disease risk than BMI, according to a comprehensive review published November 12 in the British ...

From fitness trackers that monitor your sleep to smartwatches ... was high – and logged the remainder of my session as an ‘aerobic workout’ so I could still see my stats.

Experts who spoke to GQ broke down the mechanisms behind this type of training and why pretty much any guy stands to benefit ...

Zone 1 (55-65% of max heart rate): This is the "conversational pace" zone. You work at a light intensity, so you can easily chat without losing your breath. This pace is ideal for burning fat and is ...

Aerobic fitness reflects how well the heart ... researchers use an exercise test—something you can do at home. (Some fitness trackers also measure VO 2 max via heart rate data.) ...

We've lined up a selection of top waterproof fitness trackers, including models from top brands like Garmin, Fitbit, and ...