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Ever spent months grinding away at crunches for abs that never seem to appear? Or done endless bicep curls without getting the toned arms you’re after? You might be focusing on all the wrong muscles.

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.

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 ...

The pursuit of a "ripped" physique – characterized by low body fat and visible muscle definition – is a common fitness goal. While traditional gym settings offer a wide array of equipment, a highly ...

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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...