The burn. The Bane mask. The bleak possibility of being waterboarded by vomit. Whether you’ve wheezed through one first-hand, or cocked a cautious eyebrow from afar, more and more men are learning of ...

Ascension St. John’s Human Performance Lab helps people measure heart health and build fitness plans for the year ahead.

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

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.

A higher VO2 max translates directly into enhanced physical performance across various activities. This improved oxygen utilization capacity manifests in multiple ways. Athletes with higher VO2 max ...