heart rate

Training smart means understanding how to work the boundaries of your redline state. Often that's more intensity without more volume with better results.

A study by the American College of Cardiology compared the accuracy of the two main types of heart rate monitors with interesting results.

The numbers on your wrist are nowhere near as important as what your body is telling you.

Gym etiquette is clear: Get off your cell phone, dingus. People who spend time on their cell phones never get a truly effective workout. Don't believe that? You can't argue with science.

It's important to know what changes are going on during the prenatal period and the cardiovascular effects of pregnancy.

We've taken a close look at Polar's V650 to find out if there are still good reasons why buying a standalone bicycle computer has its advantages.

Running an hour daily for conditioning won't cut it. For maximal work capacity, enter the pain cave.

We can't replicate Froning's genetics or his lifestyle, but we can definitely replicate his strategy.

Time to ditch the chest heart rate strap. It's the era of the fitness band, and this is a good one.

Understanding the energy systems you are using will improve your cycling performance.

The process of individualizing your training based on biofeedback leads to much better outcomes and more consistent progress.

Two criteria determine whether or not you reach your goal - your training program and how you manage that program.

Heart rate variability is a strong indicator of your ability to function well in an upcoming workout.

With Hexoskin you can track a number of fitness statistics, all just by wearing a shirt.

There is something you can do every day to start honing your ability to control your own heart rate and HRV.

A review of the research confirmed dehydration can significantly impact a variety of athletic markers.

A new study analyzed the effectiveness of the heart rate-running speed index for gauging running performance.