A Novel Field Test to Determine Critical Speed

Galbraith, Andrew and Hopker, James G. and Jobson, Simon A. and Passfield, Louis (2011) A Novel Field Test to Determine Critical Speed. Journal of Sports Medicine & Doping Studies, 1 (1). pp. 1-4. ISSN 2161-0673. (Full text available)

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http://dx.doi.org/10.4172/2161-0673.1000101

Abstract

The aim of this study was to assess the reliability of a novel field test of critical running speed (CS). Ten trained male distance runners completed a familiarisation trial plus three separate experimental trials on a standard 400 m athletics track. Each trial consisted of three distances (1200, 2400 and 3600 metres) that were selected to produce finishing times in the region of 3, 7 and 12 minutes respectively. Participants were instructed to cover the set distance in the fastest time possible. Participants rested for 30 minutes between efforts. Data were modelled using the linear distance-time model, described by the equation: d = (CS x t) + ARC, where: d = distance run (m), t = running time (s), and ARC = anaerobic running capacity (m). Results demonstrated a coefficient of variation (CV) of 2.0% (95% confidence limit (95% CL): 1.4–3.8%) for trials 2–1 and 1.3% (95% CL: 0.9–2.4%) for trials 3–2. There was no significant difference in CS (m·s-1) across trials (P<0.05). The limits of agreement were ±0.27m·s-1 of the measure for trials 2–1 and ±0.18 m·s-1 for trials 3–2. ARC proved to be less reliable with a group CV of 18.4% (95% CL: 13.5– 39.9%) for trials 2–1 and 9.8% (95% CL: 7.0–19.6%) for trials 3–2. Although the assessment of ARC is less reliable, CV data are similar to those reported previously during laboratory-based testing.

Item Type: Article
Subjects: Q Science > Q Science (General)
Divisions: Faculties > Social Sciences > School of Sport and Exercise Studies
Depositing User: Andy Galbraith
Date Deposited: 29 Mar 2012 07:56
Last Modified: 22 May 2014 11:42
Resource URI: http://kar.kent.ac.uk/id/eprint/29227 (The current URI for this page, for reference purposes)
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