Dr Mark Cheng has rehabbed TONS of combat athletes, has trained with some of the best instructors in the world, and has a wealth of experience in the martial arts. In this podcast we cover pressure testing of traditional martial arts.  The 8 exercises of the Functional Movement Screen.  How training should be for stretching the envelope, not breaking the envelope. Dog Brother's full contact stick fighting. Punch drunk boxers and CTE. Break falling on dirt and concrete, and much more.  Check it out - I think you'll like it! Also I've just updated the Grapplearts BJJ Master App so now there's even MORE free material on it.  Grab it for iOS or Android for free at https://www.grapplearts.com/masterapp - the 'weak side back attacks' module is absolutely amazing!