There's a lot of talk about lean muscle compared to bulk muscle, but experts say it's not worth differentiating the two.

Get a shredded physique without the gym! This video breaks down 5 smart bodyweight workouts from Generation Iron designed to maximize muscle definition. From beginner circuits to HIIT burners and arm ...

A team of researchers led by Xiaoguang Dong, assistant professor of mechanical and biomedical engineering at Vanderbilt University, have developed a magnetic robotic valve to provide minimally ...

Bodybuilding legend Frank Zane, nicknamed “The Chemist,” mastered intensifiers to sculpt a world-class physique. In a recent Instagram post shared on Nov. 13, 2025, he explained how to perform ...

Q: My doctor just told me that I'm now considered obese. A week ago, I wasn't -- and I haven't gained any weight. What's going on? -- Claire T., Louisville, Kentucky A: Don't panic. This is important ...

Edited by Andrew Marks, Columbia University College of Physicians and Surgeons, New York, NY; received January 19, 2024; accepted March 21, 2024 Hutchinson–Gilford progeria syndrome (HGPS) is a rare ...

Katy Perry melted fans with her family display as she enjoyed an ocean dip with daughter Daisy last year, but the 2024 photos also sparked Ozempic rumors. Flaunting her killer body in a cute, ...

Danielle “Nellie” Bruns, an associate professor in the University of Wyoming’s Department of Zoology and Physiology, has received a five-year, $1.78 million research grant from the National Institutes ...

Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada Department of Mechanical Engineering, University of British Columbia, 6250 ...

A research group led by Dr. Keisuke Obara, Dr. Kento Yoshioka, and Professor Yoshio Tanaka from the Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toho University, has ...

Advice to improve your movement, fitness, and overall health from the #1 in orthopedics in the U.S. Skeletal muscles—those attached to your bones by tendons—make up about a third of the human body.