Somatotyping determines your body type by assessing body fat, bone structure, height, and muscle. Body types influence metabolism, weight gain and loss abilities, and health risks. The three main body ...

The first comprehensive cell atlas of aging human muscle reveals the intricate genetic and cellular processes behind muscle deterioration and mechanisms to counteract it. How muscle changes with ...

Strength training should be a staple of any fitness routine. In addition to increasing muscle strength and mass, regular strength training helps maintain strong bones, improve balance and offers ...

Still dealing with a tight hip or weak glute—despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...

Looking to build muscle but feeling overwhelmed by conflicting advice? We got two top trainers to break down exactly how to structure your weekly workouts for maximum gains. Whether you’re a gym ...

This cross section through the flight muscles of a dancer damselfly shows in blue the muscle fibers that the fly uses to flap its wings. You can also see the nerve that stimulates these muscles in red ...

You’ve probably heard the phrase “muscle memory” thrown around at some point, but it might not mean what you think it does. In fact, many everyday exercisers misunderstand the concept of muscle memory ...

Male body types are often divided into mesomorph, ectomorph, and endomorph. These types are determined by factors like limb proportions, body weight, height, and body fat distribution. Male bodies ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Whether you’ve been lifting for years or ...

Being competitive has been part of my DNA since childhood. In my adult years, I still struggle with putting my natural drive toward intensity to rest, which can be an issue when it comes to workouts.