Acute differences in foot strike and spatiotemporal variables for shod, barefoot or minimalist male runners

C. Mccallion, B. Donne, N. Fleming, Brian Blanksby

    Research output: Contribution to journalArticle

    27 Citations (Scopus)

    Abstract

    This study compared stride length, stride frequency, contact time, flight time and foot-strike patterns (FSP) when running barefoot, and in minimalist and conventional running shoes. Habitually shod male athletes (n = 14; age 25 ± 6 yr; competitive running experience 8 ± 3 yr) completed a randomised order of 6 by 4-min treadmill runs at velocities (V1 and V2) equivalent to 70 and 85% of best 5-km race time, in the three conditions. Synchronous recording of 3-D joint kinematics and ground reaction force data examined spatiotemporal variables and FSP. Most participants adopted a mid-foot strike pattern, regardless of condition. Heel-toe latency was less at V2 than V1 (-6 ± 20 vs. -1 ± 13 ms, p <0.05), which indicated a velocity related shift towards a more FFS pattern. Stride duration and flight time, when shod and in minimalist footwear, were greater than barefoot (713 ± 48 and 701 ± 49 vs. 679 ± 56 ms, p <0.001; and 502 ± 45 and 503 ± 41 vs. 488 ±4 9 ms, p <0.05, respectively). Contact time was significantly longer when running shod than barefoot or in minimalist footwear (211±30 vs. 191 ± 29 ms and 198 ± 33 ms, p <0.001). When running barefoot, stride frequency was significantly higher (p <0.001) than in conventional and minimalist footwear (89 ± 7 vs. 85 ± 6 and 86 ± 6 strides·min-1). In conclusion, differences in spatiotemporal variables occurred within a single running session, irrespective of barefoot running experience, and, without a detectable change in FSP. © Journal of Sports Science and Medicine.
    Original languageEnglish
    Pages (from-to)280-286
    JournalJournal of Sports Science and Medicine
    Volume13
    Issue number2
    Publication statusPublished - 2014

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