"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You've probably heard big guys at the gym tossing around the word "hypertrophy" when they talk about ...

The most overlooked muscle-building tools aren’t dumbbells or machines—they’re quality sleep and smart nutrition.

Repeated exercise, or wasting, can change the way key genes work.

Muscular hypertrophy refers to an increase in muscle mass. This usually manifests as an increase in muscle size and strength. Typically, muscle hypertrophy occurs as a result of strength training such ...

Finding the right balance between stimulus and recovery is the real key to long-term muscle growth and peak performance.

Muscle growth takes time, persistence, and a long-term commitment to the process. But it’s possible for most people with proper training programs and protein consumption. Muscle building is often a ...