Pullup - what can I do to improve my form? Feel like left side

EXPLICIT AUDIO, hello again, I'm back. my deadlift is my worse

(Newbie) Lower back stiffness right after rdls

squat check

Squat form check

How is my barbell curl? Am I getting a good range of motion?

This feels better but I still feel like I’m tipping forward?

I recorded one of my warm ups from behind and noticed I was leaning

Any time I try and go heavy on my lat pull downs my left shoulder

I can only do 5 :( How can I improve?

Squat 255 for 9 form check

Form check 315 for 7 deadlift @ 160