"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A glute-hamstring developer, commonly known as a GHD machine, is a large, specialized piece of equipment ...

Not every piece of fitness equipment is easily recognizable. While you’re probably quick to identify a bench press or squat rack when you walk into a training center, there’s always one piece of ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Getty Images GHD sit-ups are the type of advanced abs exercise reserved for those in the gym who like to send their core ...

There’s nothing more satisfying than glute gains. While targeting your glutes can help sculpt your booty, it does way more than perk up your peach. "[The glutes are] a major stabilizer, and also the ...

Exercising your hamstrings is important for mobility (movement), athletic performance, and reducing injury risk. A glute bridge improves hip stability and alignment (proper position of the hips). This ...

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports. She is also the author of “Practical Solutions for Back Pain ...