Dr Glenn McConell chats with Dr Tommy Lundberg from the Karolinska Institute in Stockholm, Sweden. He is an expert on resistance training (RT) and has focussed on the effect of concurrent training on exercise adaptations. That is, does doing concurrent resistance and endurance training affect the responses to resistance and endurance training compared to doing either alone. His research has specifically focused on the effects of endurance training on resistance training adaptations although we also discussed the effect of resistance training on endurance training adaptations. It appears that in many people concurrent training has either no interfering effect or may even be beneficial. However there is some limited research that endurance training, although not affecting hypertrophy, may reduce strength and/or speed of contraction. He has also done a lot of work on biological males been involved in female sports (which will be converted in a future podcast). I found it a very interesting chat. Enjoy! X: @TLexercise.

0:00. Introduction3:03. Tommy’s background5:25. Aland Islands7:25. What is concurrent training?9:40. Resistance training (RT) can benefit endurance performance13:35. Does RT affect injuries?15:05. The amount/volume of training and concurrent training18:32. Little effect of endurance training on hypertrophy but might effect strength21:30. Glenn’s frustrations at the gym24:15. Single-leg research studies vs whole body exercise31:20. AMPK and metabolism etc34:00. Potential mechanisms involved35:40. Interference of endurance on strength hasn’t been clearly shown38:00. RT can improve endurance performance and economy41:10. Specificity of RT adaptations45:55. Running straight after the gym48:55. How much RT is enough/sufficient/optimal51.20. Benefits of circuit training53:05. Endurance exercise interfering with strength/contraction speed54:20. Relationship between muscle size and strength59:05. Explosive RT best for endurance exercise1:04:35. Order of the concurrent training1:06:35. Arterial stiffness/health and concurrent training1:10:25. Team sports and concurrent training1:12.08. Different sports a concurrent training1:13:05. Mechanisms: gene expression etc1:16:22. Fatigue and concurrent training1:17:40. If short on time what exercise would you recommend?1:19:55. Sex differences?1:20:45. Age effects?1:21:20. Controversies in the field1:24:25. Things that influencers can get wrong1:25:45. Other areas that he is investigating1:27:50. Anti inflammatories can reduce resistance training gains1:30:08. Takeaway messages1:31:14. Outro

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