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Relationships between digit ratio (2D:4D) and female competitive rowing performance
American journal of human biology, 2015-03, Vol.27 (2), p.157-163
Hull, Melissa J.
Schranz, Natasha K.
Manning, John T.
Tomkinson, Grant R.
2015
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Hull, Melissa J.
Schranz, Natasha K.
Manning, John T.
Tomkinson, Grant R.
Titel
Relationships between digit ratio (2D:4D) and female competitive rowing performance
Ist Teil von
American journal of human biology, 2015-03, Vol.27 (2), p.157-163
Ort / Verlag
United States: Blackwell Publishing Ltd
Erscheinungsjahr
2015
Quelle
Wiley Online Library Journals Frontfile Complete
Beschreibungen/Notizen
Background Digit ratio (2D:4D), a measure of prenatal testosterone exposure, is weakly‐to‐moderately associated with increased physical performance, although the evidence is far stronger for males than females. Objective To examine the relationship between 2D:4D and measured on‐water rowing performance in young females competing at the Australian Rowing Championships. Methods Using an observational, cross‐sectional design, female rowers (n = 69, aged 12–30 years) who competed in single sculls events at the Australian Rowing Championships in 2007 and 2008 had numerous physical and digital anthropometric measurements taken, including 2D:4D measurements. Relationships between 2D:4Ds and race times were examined using Pearson's correlations, partial correlations and multiple regression. Partial Least Squares regression analysis determined the strength of the 2D:4D as a predictor of race time relative to 78 body dimensions plus age. Results Overall, weak to strong positive correlations between 2D:4D and race time were found; that is, females with smaller 2D:4Ds had faster race times than females with larger 2D:4Ds. Relationships were weak to moderate for all females (r = 0.29–0.32), moderate‐to‐strong for senior rowers (aged ≥20 years; r = 0.42–0.55), and weak for junior rowers (aged <20 years; r = 0.13–0.18), with all relationships persisting following adjustment for age. Partial Least Squares regression analysis showed that 2D:4Ds had high predictive importance relative to other body dimensions. Conclusions Females with smaller 2D:4Ds rowed substantially faster than females with larger 2D:4Ds, with the 2D:4D possibly linked to underlying characteristics that have been optimized over time resulting in better rowing performance. Am. J. Hum. Biol. 27:157–163, 2015. © 2014 Wiley Periodicals, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 1042-0533
eISSN: 1520-6300
DOI: 10.1002/ajhb.22627
Titel-ID: cdi_proquest_miscellaneous_1673791551
Format
–
Schlagworte
Adolescent
,
Adult
,
Anthropometry
,
Athletic Performance
,
Australia
,
Child
,
Cross-Sectional Studies
,
Female
,
Females
,
Fingers - anatomy & histology
,
Humans
,
Least-Squares Analysis
,
Regression analysis
,
Rowing
,
Young Adult
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