Walk into any gym and you’ll be met with a sea of weight machines. With so many options, it’s easy for even the most seasoned lifters to feel overwhelmed. Between the dozen gym machines that claim to ...

Build muscle after 40 with 5 classic moves: squat, deadlift, push-up, row, overhead press, plus sets, reps, and cues.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Muscle stimulators are worth the investment if you’re looking to take your workouts to the next level, ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Building muscles: Muscle stem cells (their nuclei marked in blue) gradually alter their structure and function, becoming adult muscle cells (whose nuclei turn red). Those cells will eventually fuse ...