Why Easy ‘Zone 2’ Workouts Became the Biggest Thing in Fitness

Low-intensity training is great for you, no matter what your fitness-tracking gadget says.

I tried daily 7-minute workouts after seeing they're as effective as the gym

Kickstart your workout goals in under ten minutes.

How to Get the Most Accurate VO2 Max Score Using Your Watch

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

Why strength training shouldn’t take a backseat to mileage—and how to do both without burning out

This guide helps you figure out how to squeeze strength workouts between all those miles.
BMJ

Effect of gender affirming hormones on athletic performance in transwomen and transmen: implications for sporting organisations and legislators

Objective To examine the effect of gender affirming hormones on athletic performance among transwomen and transmen. Methods We reviewed fitness test results and medical records of 29 transmen and 46 ...