The Influence of Midsole Thickness on Running, Does Size Matter?

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dc.contributor.advisorStefanyshyn, Darren
dc.contributor.authorBarrons, Zach
dc.contributor.committeememberMacInnis, Martin
dc.contributor.committeememberEdwards, Brent
dc.contributor.committeememberGoldsmith, Peter
dc.contributor.committeememberHoogkamer, Wouter
dc.date2023-06
dc.date.accessioned2023-03-17T22:35:07Z
dc.date.available2023-03-17T22:35:07Z
dc.date.issued2023-03-09
dc.description.abstractIn 2020, World Athletics amended their footwear regulations to include a maximum midsole thickness of 40-mm to “protect the integrity of sport”. However, there was no evidence to support the restriction therefore, the purposes of this dissertation were to determine; i) the influence of midsole thickness on the energetic cost of running, ii) the influence of midsole thickness on frontal plane ankle angle and performance when running curves, and iii) the influence of midsole thickness on muscle damage associated with a training-style run. Twenty-one runners participated in the first study, performing five-minute treadmill running trials in four footwear conditions. The footwear conditions were nearly identical except for their midsole which ranged from 35- to 50-mm in increments of 5-mm. Midsole thickness did not influence the energetic cost of running however, it did increase ankle eversion. In conclusion, running on a midsole thicker than 35-mm is inadvisable given that it will not provide a performance advantage but will impact frontal plane ankle angle. Thirteen recreational athletes participated in the second study testing the impact of two footwear conditions on curved running. Participants performed ten running trials around each of three curves of radii. Midsole thickness did not impact frontal plane ankle angle of the outside leg or performance across any of the three curves. Sixteen recreational runners with personal best 5-, or 10-km race times shorter than 24-, and 50-minutes, respectively, were recruited to participate in the third study. Participants performed a 60-minute training-style run in two nearly identical footwear conditions that differed only in midsole thickness, before and after which blood draws were performed for markers of muscle damage. Pre-to-post, there was not a statistically significant difference in magnitude of change in concentration of markers of muscle damage between shoes, although the concentration of lactate dehydrogenase did increase more so when running in the 35-mm footwear condition. In conclusion, midsole thickness did not impact the change in concentration of markers of muscle damage during a simulated training-style run. The results of this dissertation would suggest the World Athletic restriction on midsole thickness is not required and should be reconsidered.en_US
dc.identifier.citationBarrons, Z. (2023). The influence of midsole thickness on running, does size matter? (Doctoral thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.en_US
dc.identifier.urihttp://hdl.handle.net/1880/115929
dc.identifier.urihttps://dx.doi.org/10.11575/PRISM/40793
dc.language.isoengen_US
dc.publisher.facultyKinesiologyen_US
dc.publisher.institutionUniversity of Calgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.en_US
dc.subjectFootwearen_US
dc.subjectGenderen_US
dc.subjectPerformanceen_US
dc.subject.classificationEducation--Healthen_US
dc.titleThe Influence of Midsole Thickness on Running, Does Size Matter?en_US
dc.typedoctoral thesisen_US
thesis.degree.disciplineKinesiologyen_US
thesis.degree.grantorUniversity of Calgaryen_US
thesis.degree.nameDoctor of Philosophy (PhD)en_US
ucalgary.item.requestcopyfalseen_US
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