High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

When runners talk physiology, two terms tend to dominate the conversation: VO2 max and lactate threshold. Although the two metrics are related, they are not the same – and they shape performance in ...

VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you need to know.

This story is one in a series called The New Running Boom, which highlights new personalities, clubs, tech, training, and shoes that make pounding the pavement fun! IF YOUR BODY is a machine, the size ...

If you're an athlete, you've probably heard the recent buzz around VO2 max. Whether you run sprints on the daily or frequent your local circuit training studio, VO2 max is an important stat to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A new study, involving nearly 800 older adults, points out the factors most associated with higher VO2 ...

Running is often seen as the gold standard for cardio fitness. We explore how it compares to cycling, swimming and other ...

There's no single 'correct' way to train for a marathon. Even at elite level, coaches and athletes approach the distance in different ways. This variation reflects attitudes and beliefs, training ...

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When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you think about health metrics like your resting heart rate or heart rate ...