John Mullen, Owner of COR and CEO of Swimming Science, comes on the show to discuss how to teach and train the swimming athlete in a rehabilitation setting. John discusses a breakdown of swimming stroke mechanics, most common injuries and causes seen in swimmers and how PTs should treat them, hos top exercises to use in the clinic for swimmers, most effective teaching/training methods regarding strokes/starts/turns/finishes, open water considerations, how to teach/sell swimming injury prevention in the community, and more.


Dr. John Mullen, DPT, CSCS is a World renowned expert and speaker in sports training and rehabilitation. He is the owner of COR in which Elite level adult fitness, sports performance, and physical therapy are offered, by world renowned experts, designed to help people get the most out of themselves. He is also the CEO of Swimming Science which is a website for those wanting to learn more about swimming, improve their swimming, or make the swim team, but don’t know where to start.

He received his Doctorate in Physical Therapy at USC in 2011, as well as the Josette Antonelli Division Service Scholarship, Order of the Golden Cane, and the Order of Areté. At USC, he also performed research on swimming biomechanics and lung adaptations in swimming training. Dr. John has worked with multiple professional and Olympic athletes, helping them earn Olympic medals. His dedication to research and individualization spurred him to open COR in 2011. Since 2011, Dr. John has been featured in Gizmodo, Motherboard, Stack Magazine, Swimming World Magazine, Swimmer Magazine, USA Swimming, USA Triathlon, Swimming Science, and many more.  He has worked with the numerous colleges and teams regarding rehab and performance. Before his Doctoral program, Dr. John swam on an athletic scholarship at Purdue University. At Purdue, Dr. John was an Academic Honorable Mention All-American and was awarded the Red Mackey Award and R. O. Papenguh Award. He also won the Purdue Undergraduate business plan and elevator pitch competition, as well as 1st prize with the Indiana Soy Bean Alliance. Dr. John was born in Centerville, Ohio and was a 24-time high school All-American Swimmer. Dr. John is still a swimmer and holds a Masters swimming World and Pacific Swimming Record.

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