Quote (CMBurns @ Sep 7 2018 11:45am)
http://www.youtube.com/watch?v=qMv_Mlvr1FY
Even on a max effort, there's nowhere near the rounding that happened in your vid.
Anyway, obviously rounding your lower back is much worse. I'm just recommending you work on strengthening your upper back and shoulders otherwise as you go heavier, your upper back rounding is going to shift where your centre is and you'll find yourself trying to pull upwards too much. Note that your rounding was a lot more pronounced than in the video you're using as an example.
If you observe the top athletes doing sumo deadlift for example, you'll see how much leverage they get from positioning their upper body differently.
I'm telling you this because I had the same problem you did:
https://www.youtube.com/watch?v=2aa1VijSZrk (scroll towards the end for the farmer's walk practice).
My max deadlift was 795, at the time of the video it was around 700 tho (it's a bit easier with farmer's walk handles. The last set is with 380/hand). I went from having a rounded upper back at lower weights, to a rounded back in general as I went up in weights. It was starting to cause some annoying back pains and deadlift sessions always felt awful. I went to see a guy whose gym I trained that (Hugo Girard who was a top strongman) and got some coaching on deadlifting. I ended up doing a bunch of exercises like banded deadlift, really heavy upright rows, partial deadlifts, etc. Focused on pulling back (which allows you to drive your hips forward faster) rather than just pulling up and adjusted my form. Obviously there's going to be some rounding, but I kept it in check enough that I no longer had back pains and the weight went up another 95 lbs within a year.
I agree that I should work on my weaknesses. My favorite accessories are heavy rows like Cailer Woolam “powerlifting rows, db rows, pendlay”, banded deadlifts, and 5 sec paused deadlifts. My only thing is that my shoulders rounding isn’t form breakdown BECAUSE it puts me in optimal position to pull heavy, and at the end of the day the guy who pulls the heaviest wins.
When I pull sumo, my back maintains a neutral position. People have told me that my sumo looks way more natural, but I’ve never been able to generate anywhere near as much power.
But I take everything people say that’s constructive and see if I can implement it, so I’ll give er a shot. Oh, and PRs are never pretty 💩