Originally Posted by
Jeff Illingworth
Not too bad. Both of the issues you listed in #2 are true. The elbows can be helped by working on hugging your elbows into your sides a little more - it helps your upper arms "catch" on your lats some at the bottom of the lift so the elbows aren't as likely to drift back. Having your hips pop backwards before the hip thrust can contribute to the elbows drifting backwards, too.
Wear a belt, it'll help. Squeeze your butt, abs, and thighs as hard as you can before you snap (just keep them squeezed the whole time as much as you can). Gain some more weight.