As long as your dropping low with a straight back never arch it thats when injuries can occur
Check this out this article and video
It has a lot of useful information regarding the GM and dos and donts. It also talks about using resistance bands. I have been using resistance bands for sometime now, although i still workout with weights, bands have greatly improved weak points and sticking points of my lifts. Also remember and this guy talks about it is to keep a stomach full of air, one of the reasons we see powerlifters where belts is to train themselves to push the stomach out... CIO i think beginners and advance lifters could benefit from this EVERYONE NEEDS A STRONG BACK A STRONG POSTERIOR AND CORE ARE SOME THE MOST IMPORTANT STRENGTHS TO HAVE AS AN ATHLETE
DUDE AND THESE BANDS ARE THE CHEAPEST IVE SEEN!!!