If you want to train your back and hips, that’s good, Pignataro says. But if your focus is only on your glutes, you can stop the movement before your back begins to round. So from the top of the ...

How to Set Up for a Glute Extension Oftentimes a glute extension is done by arching the upper back throughout the movement, with the chin pressed against the chest. But Pignataro and Shawn Arent ...