[Rev]

I recently strained my lumbar performing maximal effort squats three days after heavy repped out deadlifts. I hadn't pulled conventional in six to eight months so my low back wasn't exactly used to the movement so I was primed for injury and tender in that area afterwards. I have always had slite flexion in my lumbar at parallel and below in my squat but hoped it would "work itself out" with heavy stiff-leg deadlifts as I tried to always stretch my hams out as hard as possible on the lift. This hasn't helped much, it has helped a little but not near enough. I am convinced my problem is tight glutes and read a few Robertson articles to help give me this idea.

I read of a couple static stretches for glutes which I will perform for five sets of 20-30s daily. I have great motor control of my glutes and a good base of strength, my glutes active in almost all lower body movements I do. I am concerned though about increasing range of motion in my squat and eliminating flexion in my lumbar or "tail tuck". I am wondering if there is anything else I need to be concerned with and practicing to achieve my goal more effectively...dynamic flexibility?

Thanks,

Nate