We Know You Want to Know: Does Running Build Muscle?
The short answer is: Kind of.
Muscle Quality
A Closer Look at a Marathon Runner’s Muscle Fibers
Do you know the difference between fast-twitch and slow-twitch?
Meet Your Muscles
A good working knowledge of your anatomy can help you dial in your workouts.
It Just Got Even Easier To Measure Your Muscle Quality
Skulpt, the company that released a handheld device to measure muscle quality and body fat, just made a major upgrade.
Study Shows Which Muscles Are Strongest In Women
This data reveals the strongest muscles for women and men—and it's actually prety surprising.