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Article
Defining the Early, Mid, and Late Sub-Sections of Sprint Acceleration in Division I Men’s Soccer Players
Journal of Strength and Conditioning Research
  • Christopher R. Bellon, LaGrange College
  • Brad H. DeWeese, East Tennessee State University
  • Kimitake Sato, East Tennessee State University
  • Kenneth P. Clark, West Chester University
  • Michael H. Stone, East Tennessee State University
Document Type
Article
Publication Date
4-1-2019
Description

The purpose of this study was to investigate whether the acceleration phase of sprinting could be split into subphases specific to the competitive demands of a soccer match by comparing sprint metrics at various sprint distances in Division I men's soccer players. Twenty-three Division I men's soccer athletes completed 2 maximal-effort 20-m sprints from a standing start position through an optical measurement system. Sprint metrics measured included sprint velocity (SV), step length (SL), step frequency (SF), and ground contact time (GCT). Each metric was recorded at approximately 2.5, 6, and 12 m. Sprint metrics at each distance were compared using a 2-tailed, 1-way repeated-measures analysis of variance. The results indicated that SV, SL, and SF were statistically greater at 12 m in comparison with 6 m (p < 0.001) and 2.5 m (p < 0.001), whereas GCT was statistically shorter at 12 m compared with 6 m (p < 0.001) and 2.5 m (p < 0.001). In addition, sprint metrics at 6 m also displayed the same relationships when compared to 2.5 m, with SV, SL, and SF being statistically greater (p < 0.001) at this distance, and GCT being statistically shorter (p < 0.001) as well. These results suggest that the acceleration phase may effectively be differentiated into early, mid, and late subphases based on differences in key sprint metrics at distances of 2.5, 6, and 12 m, respectively, in Division I men's soccer athletes.

Citation Information
Christopher R. Bellon, Brad H. DeWeese, Kimitake Sato, Kenneth P. Clark, et al.. "Defining the Early, Mid, and Late Sub-Sections of Sprint Acceleration in Division I Men’s Soccer Players" Journal of Strength and Conditioning Research Vol. 33 Iss. 4 (2019) p. 1001 - 1006 ISSN: 1533-4287
Available at: http://works.bepress.com/michael-stone/483/