Rawgrip

I always had troubles int he compound lifts dead lift, squat and so on this is mainly of my height. I m 6'3-4 (a basketball player) long torso, medium arm length and medium- long leg length as you can probably see i wasant made the dead lifting type.

For the last couple years I've been trying to rack up the numbers whilst keeping an OK form. Now looking back at my videos in training i can clearly see rounding of the lower back ( a little) and rounding off the upper back. I've been doing allot to try and fix this, improving my flexibility, lifting lighter weights (form still ok but not the best)

I finally wondered could it be the way i lift. I use the conventional type mid leg spread and so on. I wondered should i try sumo, i haven't really tried it fully. Is there any major differences in both styles and is there any proper instructional videos or articles on this?

I would love to hear from any tall lifters