Foot strike patterns and hind limb joint angles during running in Hadza hunter-gatherers

Herman Pontzer, Kelly Suchman, David A. Raichlen, Brian M. Wood, Audax Z.P. Mabulla, Frank W. Marlowe

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

Background: Investigations of running gait among barefoot and populations have revealed a diversity of foot strike behaviors, with some preferentially employing a rearfoot strike (RFS) as the foot touches down while others employ a midfoot strike (MFS) or forefoot strike (FFS). Here, we report foot strike behavior and joint angles among traditional Hadza hunter-gatherers living in Northern Tanzania. Methods: Hadza adults ( n=26) and juveniles ( n=14) ran at a range of speeds (adults: mean 3.4±0.7m/s, juveniles: mean 3.2±0.5 m/s) over an outdoor trackway while being recorded via high-speed digital video. Foot strike type (RFS, MFS, or FFS) and hind limb segment angles at foot strike were recorded. Results: Hadza men preferentially employed MFS (86.7% of men), while Hadza women and juveniles preferentially employed RFS (90.9% and 85.7% of women and juveniles, respectively). No FFS was recorded. Speed, the presence of footwear (sandals vs. barefoot), and trial duration had no effect on foot strike type. Conclusion: Unlike other habitually barefoot populations which prefer FFS while running, Hadza men preferred MFS, and Hadza women and juveniles preferred RFS. Sex and age differences in foot strike behavior among Hadza adults may reflect differences in running experience, with men learning to prefer MFS as they accumulate more running experience.

Original languageEnglish (US)
Pages (from-to)95-101
Number of pages7
JournalJournal of Sport and Health Science
Volume3
Issue number2
DOIs
StatePublished - Jun 2014

Keywords

  • Barefoot
  • Biomechanics
  • Foot strike
  • Foraging
  • Running

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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