You can't 'tone' muscle, so here's what is really happening when you build muscle definition, and why you need to know about body recomposition.

Modern fitness approaches go beyond aesthetics, emphasizing holistic health benefits. By understanding various training methods, individuals can design routines that align with personal goals, whether ...

Eating just 5 percent more calories daily can do the trick.

The single most important concept is that “Athletic” and “Muscular” aren’t the same thing. As fitness culture became mainstream (through Instagram, CrossFit, and gym culture), the two terms started to ...

Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The word “toning” is ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Previous note: [THIS FEELS LIKE A MUCH MORE ADVANCED QUESTION TBH -- I THINK WE CAN LEAN INTO THAT!

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.