Back extensions, hyperextensions, Roman chair extensions — whatever you want to call them, this back exercise is brilliant at strengthening the muscles along the back of your body, known as the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Nordic curls are a bit of a gymgoer’s party trick. As you lower the backside of your body backwards ...

Both exercises strengthen your hamstrings, but experts say one may be more effective for you depending on your fitness ...

These hamstring moves will leave you strong, flexible, and injury-free. Fact checked by Haley Mades Weak hamstrings cause physical problems from achiness to a decreased range of motion. Strengthening ...