Bend/Crease in hips as I'm doing GHR's

[stylesbjj]

Doing GHRs (esp floor ones) seem to be easier when you bend at the hips. I can do GHRs keeping keeping by body perfectly straight (except for the knees of course), but its just much easier with a slight crease at the hips. Is the slight bend ok, or should my hips be completely straight?

Thanks,

Stylesbjj

[Mark Rippetoe]

A glute/ham raise is a back extension followed by a hip extension followed by a knee flexion (let's ignore the floor version that leaves out the back extension/hip extension part). When you put a hip flexion into the movement right after the back extension, you essentially shorten the lever arm of the load the knee flexion is lifting by decreasing the distance between your head and your knees. The mass is the same, but it's arranged in a way that's much easier to lift. So no, it's not okay.

[stylesbjj]

Thanks for the advice Mark, I appreciate it.

Stylesbjj