Don't be afraid! This is not biology class, this is swimming class. Your body is a Swimming Machine with a lot of moving parts. Knowing how these all work can help you understand why you feel the way you do at practice, why you train the way you do, and why you race the way you do.
Complicated exercise science is translated into simple "picture book" format by Swim Smart founder Karl Hamouche, MD.
Part III will automatically be sent to those who purchase Part I and II at no aditional cost (PDF only).