Your gluteus maximus is the muscle that defines the shape of your backside and helps you powerfully straighten your leg at the hip. It tends to get most of the attention when people look to build the ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. A strong back supports better ...

Sure, planks and crunches can help you strengthen your core. But are there machines for getting stronger abs at the gym? Integrating gym machine abs workouts into your routine helps you strengthen ...

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Exactly how to approach your back ...

Use this stair climber workout plan to build conditioning, leg endurance, and calorie output without leaning on the rails or crushing your knees.