Understanding BJJ - Basic Biomechanics
In this video I reference Stuart McGill, he has a ton of content available (backfitpro.com) and recently did a podcast with Stephan Kesting (the strenuous life podcast) where he spoke about spinal mechanics and some information specifically about spinal health in BJJ. I also used other material I learned from Kelly Starrett's book, 'Becoming a Supple Leopard' and much of this material I learned from many fitness professionals throughout my life through sport and personal study.
Is basic knowledge but these are my references...