Add Yahoo as a preferred source to see more of our stories on Google. “As a fitness culture, and in society in general, we’re afraid of spinal flexion,” where the lower back is flexed into a C-shape, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE BACK extension, that time-tested move for building back strength, has been around the block. But here ...

Get your lower body in shape with the cable glute extension. Attach an ankle cuff to the low pulley of the cable pulley machine and secure it around your right ankle. Set the plate to a light but ...