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Metabolic and performance responses of male runners wearing 3 types of footwear: Nike Vaporfly 4%, Saucony Endorphin racing flats, and their own shoes

引用

Journal of Sport and Health Science 2022年第3期11卷 275-284页

作者： Kim Hébert-Losier Steven J.Finlayson Matthew W.Driller Blaise Dubois jean-françois esculier Christopher Martyn Beaven Division of Health EngineeringComputing and ScienceTe Huataki Waiora School of HealthUniversity of WaikatoMount MaunganuiTauranga 3116New Zealand Sport and Exercise Science School of Allied HealthHuman Services and SportLa Trobe UniversityMelbourneVIC 3086Australia Research&Development the Running ClinicLac-BeauportQC G3B 2J8Canada

Purpose We compared running economy(RE)and 3-km time-trial(TT)variables of runners wearing Nike Vaporfly 4%(VP4),Saucony Endorphin lightweight racing flats(FLAT),and their habitual running(OWN)*** Eighteen male recreational runners(age=33.5±11.9 year(mean±SD),peak oxygen uptake(VO_(2peak))=55.8±4.4 mL/kg·min)attended 4 sessions approximately 7 days *** first session consisted of a VO_(2peak) test to inform subsequent RE speeds set at 60%,70%,and 80%of the speed eliciting *** subsequent sessions,treadmill RE and 3-km TTs were assessed in the 3 footwear conditions in a randomized,counterbalanced crossover *** Oxygen consumption(mL/kg·min)was less in VP4(from 4.3%to 4.4%,p≤0.002)and FLAT(from 2.7%to 3.4%,p≤0.092)*** across intensities,with a non-significant difference between VP4 and FLAT(1.0%-1.7%,p≥0.292).Findings related to energy cost(W/kg)and energetics cost of transport(J/kg·m)were ***43-km TT performance(11:07.6±0:56.6 mm:ss)was enhanced *** by 16.6 s(2.4%,p=0.005)and *** by 13.0 s(1.8%,p=0.032).The 3-km times between OWN and FLAT(0.5%,p=0.747)were *** runners(n=11,61%)ran their fastest TT in *** Overall,VP4 improved laboratory-based RE measures in male recreational runners at relative speeds compared to OWN,but the RE improvements in VP4 were not significant *** runners exhibited better treadmill TT performances in VP4(61%)***(22%)and OWN(17%).The variability in RE(-10.3%to 13.3%)and TT(-4.7%to 9.3%)improvements suggests that responses to different types of shoes are individualized and warrant further investigation.

关键词： Footwear Individual responses Minimalist Physiology Running

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