The Real Science of Sport Podcast

Elite ultra runner Jenna Challenor made headlines during the recent 89km (56-mile) Comrades Marathon when she crawled across the finish line on all fours to finish fourth. Mike Finch talks to her about her Comrades experience, how she dealt with debilitating long Covid, training and pacing strategies and how to tough it out.SHOW NOTES: Jenna Challenor's dramatic Comrades finish https://www.youtube.com/watch?v=ULZQiAZF03A Hosted on Acast. See acast.com/privacy for more information.

The team take a look at the world of endurance running after the recent Comrades Marathon and discuss why humans are so successful at long distance running. We discuss adaptations and physiology, how muscle is affected by long distance running and why long distance trail events are so different from long road events from a physiological perspective.SHOW NOTESCaught My Eye SegmentThe article on the ball controversy at the US Open: https://www.theguardian.com/sport/2022/aug/29/us-open-tennis-balls-row-iga-swiatekScience of Ultras SegmentLetsRun article on the Triple Crown of Ultra running, including Comrades and UTMB: https://www.letsrun.com/news/2019/06/the-greatest-ultramarathons-in-the-world-the-triple-crown-of-ultras-comrades-western-states-utmb/The study by Millet et al that was discussed on the show, showing how muscle function is affected by UTMB: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0017059A scientific review on physiology and pathophysiology of Ultra running: https://www.frontiersin.org/articles/10.3389/fphys.2018.00634/fullA Guardian piece on men and women in Ultra marathons: https://www.theguardian.com/lifeandstyle/2020/jan/03/female-ultra-athletes-leading-field-women-less-ego Hosted on Acast. See acast.com/privacy for more information.

The team speak to cardiopulmonary physiotherapist Samantha Holtzhausen about the role of effective breathing in life and exercise. Holtzhausen explains why good breathing can aid performance, reduce illness and even make you happier, and then gives some practical advice on how to improve your breathing.SHOW NOTES:Caught My Eye Topic:A paper that describes the second wind in patients with McArdle’s disease, who can’t break down glycogen: https://pubmed.ncbi.nlm.nih.gov/24651984/#:~:text=Patients%20with%20McArdle's%20disease%20(McA,a%20few%20minutes%20of%20exercise.Another more recent study on McArdle Disease, including the case that was described on the show, whose HR and effort levels both drop when the oxidative fuel supply kick in: https://jamanetwork.com/journals/jamaneurology/fullarticle/782745On Breathing For ExerciseWebsite on the concepts discussed on show: https://www.bradcliff.com/Samantha Holtshauzen on Instagram: @samanthaholtz, @nhhpulmonaryrehabHer practice on Facebook: NHH Pulmonary RehabilitationPractice website: www.nhhphysio.co.zaArticles on the breathing issues discussed:Breathing pattern disorders and physiotherapy: https://www.researchgate.net/publication/265887552_Breathing_pattern_disorders_and_physiotherapy_inspiration_for_our_professionBreathing chemistry and carbon dioxide: https://www.researchgate.net/publication/242546547_Better_Chemistry_Through_Breathing_The_Story_of_Carbon_Dioxide_and_How_It_Can_Go_WrongRespiratory health in susceptible athletes: https://erj.ersjournals.com/content/early/2020/11/26/13993003.03722-2020Managing respiratory problems in athletic individuals: https://thorax.bmj.com/content/77/6/540 Hosted on Acast. See acast.com/privacy for more information.

From amateur to pro, allergies affect a relatively large proportion of athletes. But the latest treatments and protocols could end the suffering. The team talk to specialist allergologist Prof. Claudia Gray about the latest research and treatments, what allergies really are and the surprising prevalence of allergies among sports people.SHOW NOTES:Caught My Eye Segment on Nairo Quintana and Tramadol:The UCI Policy in which the Tramadol rule and procedures are explained: https://assets.ctfassets.net/761l7gh5x5an/4dfXPdgyPYHuFUwsEpXO5v/2611cc440358c188af2746d6195659f2/part-xiii---medical-rules---01.03.2020.pdfThe USADA article on tramadol, including their request to ban it and testimony from athletes: https://www.usada.org/spirit-of-sport/education/tramadol-why-some-athletes-and-anti-doping-experts-want-it-banned/A paper describing tramadol use, including four studies on its effects: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8222773/#:~:text=Results%20of%20this%20study%20revealed,et%20al.%2C%202018b).Paper on elite young Italian cyclists in which they (wrongly) identify tramadol as doping: https://pubmed.ncbi.nlm.nih.gov/24184855/Prof. Claudia Gray InterviewThe IOC systematic review on the prevalence of lower airway dysfunction: https://bjsm.bmj.com/content/56/4/213A related article on the incidence of asthma in elite Swedish Athletes: https://www.tandfonline.com/doi/full/10.1080/02770903.2020.1728769#:~:text=In%20the%20present%20study%2C%20the,%2Dyears)%20(11%E2%80%9313Dr Claudia Gray on Instagram: https://www.instagram.com/dr_claudia_gray/ Hosted on Acast. See acast.com/privacy for more information.

How does exercise affect heart rate (HR)? The team discuss everything from HR drift and fatigue to a special interview with Heart Rate Variability (HRV) expert Marco Altini. We break down why HRV may be the best way to measure physiological and psychological stress and why it's opening up a new way of heart rate monitoring.SHOW NOTES:Caught my eye:The UCI Policy on covid: https://assets.ctfassets.net/761l7gh5x5an/6J9stmEo2OIrC7tr8VqU2f/e471f21f58c91254b070daf24c3290cf/2022.06.27_COVID_Protocol_Road_ENG.pdfThe article by Alan Abrahamson on Shelby Houlihan and US attitudes to doping: https://www.3wiresports.com/articles/2022/7/29/americans-insist-they-care-about-doping-in-sports-and-then-theres-shelby-houlihanMathieu van der Poel on altitude and his TDF struggles: https://www.stickybottle.com/latest-news/van-der-poel-suspects-altitude-training-to-blame-for-tour-slump/News of a change in the RFU’s policy on trans players: https://www.englandrugby.com/news/article/rfu-council-votes-in-favour-of-change-to-gender-participation-policyMarco Altini interview on HRV:The four-part series by Marco on HRV, explaining what it is, how to measure it, and a lot of case studies:Part 1: https://medium.com/@marco_alt/the-ultimate-guide-to-heart-rate-variability-hrv-part-1-70a0a392fff4Part 2: https://medium.com/@marco_alt/the-ultimate-guide-to-heart-rate-variability-hrv-part-2-323a38213fbcPart 3: https://medium.com/@marco_alt/the-ultimate-guide-to-heart-rate-variability-hrv-part-3-5fe902f3d2b3Part 4: https://medium.com/@marco_alt/the-ultimate-guide-to-heart-rate-variability-hrv-part-4-909b52f71131The website of HRV4Training: https://www.hrv4training.com/ Hosted on Acast. See acast.com/privacy for more information.

09:13 - 2022 World Athletics Championships: From suspect timing systems to the accidental super shoe, the biannual celebration of track and field served up a feast of talking points including what the future of the sport may look like. 57:37 - Tour de France: The fans conundrum: Most exciting Tour in years or are we in the middle of a new performance-enhancing substance era? What we know.SHOW NOTESThe article that caught the eye of Patron Liam Fergus, describing Ryan Crouser’s diet: https://www.worldathletics.org/news/feature/ryan-crouser-usa-shot-put-perfectionThe study that found no relationship between fat-free mass and shot put performance, discussed in the Caught my Eye segment: https://www.researchgate.net/publication/46403565_Body_Composition_and_Performance_in_Shot_Put_Athletes_at_Preseason_and_at_CompetitionSean Ingle’s piece on the shoes worn by Nigeria’s 100m hurdles WR break Tobi Amusan: https://www.theguardian.com/sport/2022/jul/25/tobi-amusan-shatters-100m-hurdles-world-record-to-reignite-super-shoes-debateThe Letsrun.com compilation of data suggesting something was up with the timing system in Eugene: https://www.letsrun.com/news/2022/07/was-devon-allen-screwed-theres-at-least-a-99-9-chance-that-he-was/The 2009 Study suggesting a change in the reaction time allowed in sprint events: https://www.researchgate.net/publication/278022260_IAAF_Sprint_Start_Research_Project_Is_the_100_ms_limit_still_validA piece looking at the contribution of doping, anti-doping and technology to the speed of professional cycling: https://cyclingtips.com/2022/06/why-has-worldtour-racing-gotten-so-fast-an-investigation/Thibault Pinot’s comments on the two speeds in the peloton: https://www.cyclingweekly.com/news/racing/there-is-still-cycling-at-two-speeds-thibaut-pinot-speaks-out-on-cortisone-and-ketone-use-in-the-peloton-490284Joe Lindsey’s excellent article on Pogacar’s time loss to Vinegaard in the Tour, describing the CP model and the fueling issues that may have been responsible. https://www.bicycling.com/tour-de-france/a40632389/what-happened-to-tadej-pogacar/ Hosted on Acast. See acast.com/privacy for more information.

From understanding heart rate zones to the best stance for recovery, the use of TUE's in sport after the Rafael Nadal-Thibaut Pinot controversy and how heat training affects haemoglobin production in training. Plus much more. We answer the most intriguing questions from our Patron supporters.Support us on Patreon https://www.patreon.com/thescienceofsportSHOW NOTES: The podcast we did on the DSDs  https://podcasts.apple.com/us/podcast/caster-semenya-explaining-sex-vs-gender-in-sport/id1461719225?i=1000437011090A clear and concise explanation of the three-zone system of moderate, heavy and severe exercise to guide your zone training: https://drmarkburnley.wordpress.com/2020/08/31/exercise-intensity-domains-and-phase-transitions-the-power-duration-relationship/The article showing that hands-on-knees beats hands-on-head for heart rate recovery and breathing: https://journals.lww.com/acsm-tj/fulltext/2019/02150/effects_of_two_different_recovery_postures_during.1.aspx?fbclid=IwAR0i_syx_XpNN0jwsTHjFmwz1Kl9hSENWFYJJid0WRNbVci2WZ_3U9dh4mUThe article showing how training easy in the heat increases haemoglobin mass, even in elite cyclists: physoc.onlinelibrary.wiley.com/doi/full/10.1113/EP088544?campaign=wolacceptedarticle British Fell runner survives a body temperature of 18.8C: itv.com/news/border/2022-06-24/man-found-clinically-dead-saved-after-leaving-blood-trails-in-snowArticle on the UCI change to, among other things, gear ratio rulings for youth cycling:  https://cyclingtips.com/2022/06/uci-scraps-the-junior-gear-restriction-relaxes-tt-position-rules/ The comments of Pinot and Martin about Nadal: https://road.cc/content/news/pinot-and-martin-question-nadal-injections-293447A paper by a sports ethics expert describing the TUE dilemma in sport: https://philpapers.org/rec/PIKTUE Hosted on Acast. See acast.com/privacy for more information.

Former Royal Marine, Green Beret and now amateur cyclist Richy Poynter transports us deep into the mindset and training of an elite soldier. From physical fitness to both emotional and mental challenges, Poynter offers a fascinating insight into what it takes to make it through and how some of the lessons he learnt as a soldier have made him a better sportsman.EFrsNTdBnBG44DDBKfnv Hosted on Acast. See acast.com/privacy for more information.

From the extremes of cold water swimming to how the body loses heat and hyperthermia. The team takes a deep dive into the fascinating physiological effect of cold on the exercising body, how to deal with it and what you can expect when the temperatures dropShow notes and links:The study that measured how long it took for heart rate, daily activity and sleep to return to normal after Covid-19 infection by using people's fitbit dataThe Nature paper that finds increased risk of incident cardiovascular disease after covid-19 infectionAn article by Mike Tipton on cold water hypothermia and survival, published in The LancetThe paper on the skier who survived a temperature on 13.7 degrees, written by the treating physicianOne example of research that studies the cold-shock response and how regular cold water immersion reduces the intensity of the response Hosted on Acast. See acast.com/privacy for more information.

The team take on three different subjects in our new segment called 'Caught My Eye." We tackle the subject of how different rules and regulations in women's soccer can improve the quality of the game to the potential of African riders to start dominating world cycling and the relationship between sleep and concussion in impact sports.Show Notes:Sleep article https://meridian.allenpress.com/jat/article/doi/10.4085/1062-6050-0078.22/482396/Prospective-Implications-of-Insufficient-Sleep-forThe study on brain oxygenation in Kenyan runners that Ross was part of: https://pubmed.ncbi.nlm.nih.gov/28321639/ A paper analysing the Kenyan running phenomenon that Ross published: https://www.researchgate.net/publication/264745551_Analysis_of_the_Kenyan_Distance-Running_Phenomenon The study on scaling football in women based on physical differences: https://www.frontiersin.org/articles/10.3389/fpsyg.2019.00762/fullPeople To Follow Marco Altini on Twitter - @altini_marcoSian Allen on twitter - @DrSianAllen Hosted on Acast. See acast.com/privacy for more information.