Actually, no. I have some lifelong technique battles that I have to focus on every rep of every set, but this isn't one of them. Like just about anyone, every now and then a DL rep gets off my leg/out in front of me a bit, but a) it's not common or frequent at all and b) it's always (IIRC) in the earlier part of the pull when the bar is below my knee. Maybe the videos look like the bar gets off my thighs because of angle, lighting, both, or other, but that's not an issue I have.
This tweak came first from getting just slightly loose at the bottom of a squat with about 500 lbs, and wasn't too bad; I made it worse by trying to come back probably 3-5 days too soon before it was ready. That set it into a spiral of shit-on-a-stick.
Ya, man. This now 5 year old log is about 35% training and 65% injured or working back up from injured. I'd blame the training if not for the fact that I've always been injury prone. I was always good at sports, but also got hurt way more often than my less fast, less strong, less skilled friends growing up. The joke in high school is that I'd always miss class the day after a game because I had hurt something or other. Both my parents - also athletic, also incredibly injury prone. Such is life, worse as you get older.
As to the other, I assume you mean the swolledness of my biceps and thick, luscious...locks?