Stian Christophersen is a physiotherapist, coach, author, and world-class climber. He returns to the podcast to discuss his new book about managing injuries. We talked about whether two days of hard climbing per week is enough to get stronger, the Japanese method for building technique, load management, how to rehab a ruptured pulley, why optimist is important for recovery, training for tweaky holds and moves, growth plate injuries, mindset tips, and much more.