Anterior pelvic tilt in elite cyclists : a comparative matched pairs study
Date
2007
Authors
McEvoy, M.P.
Wilkie, K.
Williams, M.T.
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Physical Therapy in Sport, 2007; 8(1):22-29
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Abstract
Objectives: To compare mean angles of anterior pelvic tilt (APT) and variability of APT angles in elite cyclists and matched non-cyclists. Design: Observation, cross-sectional, matched pairs. Participants: Seventeen elite cyclists Australian Institute of Sport Track Cycling Squad (AISTCS) (23±4.2 years, 15 males) age and gender matched with 17 non-cyclists (23±4.1 years, 15 males). Setting: Laboratory within the University of South Australia. The APT was assessed in long-sitting position with chest as close to thighs as voluntarily possible and measured using a digital inclinometer over L5-S1 intervertebral space. Main outcome measures: APT in elite and non-cyclists. Unpaired t-tests and F-tests were used to analyze difference and variability of APT angles between groups with p≤0.05 regarded as significant. Results: There was a significant difference between APT angles between the two groups (cyclists +12.2° (±6.0), non-cyclists -5.3° (±9.7); t = 6.32, p<0.01, 95% confidence interval (CI) 11.8-23.1°). The variability of APT angles was significantly greater in non-cyclists compared to elite cyclists (F = 2.6, p = 0.032). Conclusions: The APT angle of elite cyclists is significantly greater and has significantly less variability than APT angle in matched non-cyclists, when tested in a long-sitting position. © 2006 Elsevier Ltd. All rights reserved.
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