Kalle Beck has competed, coached and commentated in Strongman events and has helped thousands of people become much, much stronger. Here's how some of the lessons learned from Strongman apply to other sports...
Check out Kalle's site at https://startingstrongman.com/) and the Facebook group he runs (the biggest strongman community in the world) at https://www.facebook.com/groups/startingstrongman/)
Check out Stephan Kesting's latest jiu-jitsu instructional, No Gi Pin Escapes at https://www.grapplearts.com/PinEscapes) and also his book, Perseverance, Life and Death in the Subarctic, with links for more information here: https://essentialwilderness.com/book/)
Cheers, Stephan Kesting