Dr Glenn McConell chats with Dr Mark Burnley from the Loughborough University in England. He is an expert on critical power (cycling) and critical speed (running). We compared and contrasted the speed duration relationship across the animal kingdom. Mark is an absolute wealth of knowledge on exercise intensity domains and critical power etc and comparative exercise physiology. Critical power is essentially one’s aerobic capacity and W’ is essentially one’s work capacity. Twitter: @DrMarkBurnley
0:00. Introduction and how Mark’s entry into research
6:12. Exercise intensity domains/ Critical power
10:02. Single out exercise to determine critical power
11:55. Marks students, supervisors, collaborators in the area etc
14:55. Critical power and W’ (the work capacity above critical power)
18:15. Lactate threshold and critical power
23:42. Isometric exercise, resistance exercise and critical power
26:50. Is W’ really all only anaerobic work capacity?
28:36. Maximum accumulated oxygen deficit
29:56. Practical use of critical power/ W’ for training/racing
31:55. Critical speed/pacing
33:50. Zones of training and critical power
37:35. Mark feels that with ex training all roads lead to Rome/Tokyo
38:15. Zone 2 confusion/evidence/lack of evidence etc
41:35. Animal athletes/critical power in animals
53:22. Dogs are too smart to do proper critical power measures
57:20. Desert Iguanas critical power
59:21. Crabs critical power
1:02:00. How compare critical speeds across the animal kingdom
1:04:46. Lungless salamanders critical power
1:06:37. Fish and birds critical power
1:16:35. Fibre type/capillaries/muscle mass and critical power
1:25:30. Humans are below average athletically
1:27:30. Migratory birds energy expenditure etc
1:31:40. Monty python
1:34:42. The speed duration curve shape tends to be similar across species
1:35:03. Crabs and humans have similar critical speed relationships!
1:36:00. Recovery and critical speed. W’ balance
1:39:02. Unthinking lactate use re Best practice for LT determination
1:44:27. Takeaway messages
1:47:10. Zones and training
1:51:10. With ex training all roads lead to Rome/Tokyo
1:52:21. 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
