Dr Glenn McConell chats with Professor Mike Tipton from University of Portsmouth, England. He is an absolute authority on exercise in extreme environments. We talked initially about his important work examining the causes and prevention of drowning in cold water. Autonomic conflict and triathlon mass starts. We then discussed exercise in the cold and cold adaptations and cross adaptation between cold, heat, altitude etc. Smart to pre-cool and cool after exercise in the heat? Mike is very heavily involved with translating his research to the media and lifesaving organizations etc. Very interesting work and a fun chat. Twitter: @ProfMikeTipton
0:00. Introduction
1:55. Most drowning in cold water not due to hypothermia
3:57. Cardiorespiratory effects of falling into cold water. Cold shock
6:40. Gasp response and drowning
7:35. Stay as still as possible, “Float to live”
10:23. Cold and pain receptors
14:20. Rapid loss of heat from the arms in cold water
16:17. Mike heavily involved with translating his research
22:00. Best to keep clothes on if fall in cold water
25:08. Autonomic conflict, anger, breath holding
28:20. Triathlon mass starts and drowning, breath holding
37:10. Concurrent sympathetic and parasympathetic activation
40:04. Marathon swims and difficulties in cold water
42:15. Arm vs leg exercise and blood pressure
44:00. Physiological effects of cold water on muscle
48:40. Griffith Pugh re English Channel swims/climbing Everest
51:10. Acclimation to cold
53:40. We’ve become thermostatic: not perturbing our systems
58:00. Preparing athletes for exercise in the heat
1:00:10. Increased lifespan but not healthspan
1:02:25. Climate change and people that are thermostatic
1:03:40. Cross adaptation between cold, heat, altitude etc
1:10:03. Cold immersion and immunity
1:12:03. Smart to pre-cool and cool after exercise?
1:17:35. Consider the physiology of the body and think integratively
1:21:45. Non freezing cold injury
1:25:10. Consider the risks and the benefits of cold water immersion
1:26:15. Takeaway messages
1:28:10. Be careful where you get your information from
1:31:02. Outro (9 seconds)
Inside Exercise brings to you the who's who of research in exercise metabolism, exercise physiology and exercise’s effects on health. With scientific rigor, these researchers discuss popular exercise topics while providing practical strategies for all.
The interviewer, Emeritus Professor Glenn McConell, has an international research profile following 30 years of Exercise Metabolism research experience while at The University of Melbourne, Ball State University, Monash University, the University of Copenhagen and Victoria University.
He has published over 120 peer reviewed journal articles and recently edited an Exercise Metabolism eBook written by world experts on 17 different topics (https://link.springer.com/book/10.1007/978-3-030-94305-9).
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Not medical advice
Inside Exercise