Add Yahoo as a preferred source to see more of our stories on Google. A pair of Bowflex adjustable dumbbells against a green background. Working out at home isn't just convenient -- it's cheap, too.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? A glute-hamstring developer, commonly known as a GHD machine, is a large, ...

Which back machines are best? There are many exercise machines designed to work the neck, arms and upper back, but there is one piece of equipment that focuses on your lower core muscles — a back ...