Discover the science-backed moves that fitness experts in the United States recommend to grow stronger, leaner, and more resilient legs at any age.

For years, the body’s largest lean tissue—skeletal muscle—has been underestimated in its role in managing metabolic health. Despite its size, it contributes surprisingly little to blood sugar and fat ...

Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

How many squats after 55 is elite? Experienced personal trainer (CSCS) breaks down the squat endurance test and score chart.