
Originally Posted by
Satch12879
Look at the last rep of the second 225 set you posted. See what happens at 0:54? You felt it starting to get hard and decided to look up, even just for a moment. Your chest followed and see how the rep speed ground to a halt? What Rip's talking about is resisting that urge, keep your gaze set, keep your chest down, ass vertical. There's going to invariably be a little hitch on the turnaround, but don't get hung up on it. At limit attempts, it may get more pronounced.
There are a couple of things I see that will help your form overall and should also address your primary concerns. From the rear quarter, I'm not a fan of where your elbows are and what it might mean for your upper back position. If you can get your hands in closer together, that would help.
You are beginning the movement by kicking your hips back and preceding breaking of your knees, so you've got a timing issue. The TUBOF is not helping you for a couple of reasons. One, it's just too close to your toes for your proportions and where I think your knees need to be a the bottom of the rep. This is also putting your off balance and contributing to that backward shift of your hips. The height of the TUBOF is messing with you, too. Further, you're not using it correctly; the goal is for you to bring your knees to it and for them to stop as you reach back with your hips. Your knees are moving the whole time and you're smacking into the foam. It's not supposed to move. Some reps you succeed, but most you don't.
Things to work on:
1. Ditch the TUBOF
2. Think "KNEES" when you start the movement; get them in place fast and leave them there.
3. Lean over a touch more than you think's necessary. Fixing your grip will help make this more stable feeling for you
4. Stay leaned over and don't stop driving your hips up.
I think your stance is probably fine. Keep the belt on and use it as the book and Rip, et al., have advised. It is a tool and no more of a "crutch" than bowling shoes are in that sport of kings.