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Neil Armstrong

strong predictor of 20mSRT performance, that children with a higher body mass ran fewer 20-m shuttles, and that there was a large gender difference in 20mSRT performance. Boys, on average, completed 37% more shuttles than girls which is intriguing as, in 9-year-olds, the mean sex difference in aerobic

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Øyvind Skattebo and Thomas Losnegard

proportion of targets hit. The majority of between-athletes variabilities showed trivial sex differences. However, skiing time differed for top-10 athletes (small; women > men). Between-events CVs were very large for both the skiing (∼5–6%) and total race time (∼4–5%), trivial for the shooting times (∼4

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Heidi J. Syväoja, Anna Kankaanpää, Jouni Kallio, Harto Hakonen, Janne Kulmala, Charles H. Hillman, Anu-Katriina Pesonen and Tuija H. Tammelin

approximation value is below .06, and the standardized root mean square residual value is below .08. 26 If the model did not fit the data adequately well, modification indices were examined. Results Sex-specific distributions and sex differences in observed variables are presented in Table  1 . Table 1 Sex

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Zachary W. Bell, Scott J. Dankel, Robert W. Spitz, Raksha N. Chatakondi, Takashi Abe and Jeremy P. Loenneke

relative AOP across time (days 1–3) relative to the mean of the 3 visits to determine the reliability. A Bayesian independent samples t test was used to determine if there were sex differences in %CV with a default Cauchy prior of 0.707 (centered on zero). Data are presented as mean (SD), unless

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Karin Lobenius-Palmér, Birgitta Sjöqvist, Anita Hurtig-Wennlöf and Lars-Olov Lundqvist

group, which has been noted in individuals with ID elsewhere ( Phillips & Holland, 2011 ). Higher pedometer scores for males with ID have also been reported ( Suzuki et al., 1991 ). Not reported previously, males with HI were less sedentary than females with HI. The only group in which no sex difference

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Jo Welsman and Neil Armstrong

original studies, investigating sex differences was a primary concern. We are not concerned with sex differences here and so provide separate illustrative analyses for males and females. Table  1 summarizes the original references and relevant descriptive statistics. Participant numbers, and hence mean

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Robert J. Brychta, Vaka Rögnvaldsdóttir, Sigríður L. Guðmundsdóttir, Rúna Stefánsdóttir, Soffia M. Hrafnkelsdóttir, Sunna Gestsdóttir, Sigurbjörn A. Arngrímsson, Kong Y. Chen and Erlingur Jóhannsson

, 1986 ). All other comparisons were made using analysis of variance with Tukey’s post-hoc comparisons with Bonferroni adjustment. Using unpaired analyses, we found few sex differences in self-reported or actigraphy-measured bedtimes at either age (data not shown) and no differences in inter

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Kathryn Mills, Aula Idris, Thu-An Pham, John Porte, Mark Wiggins and Manolya Kavakli

-0033(01)00019-5 4. Holden S , Boreham C , Doherty C , Wang D , Delahunt E . Clinical assessment of countermovement jump landing kinematics in early adolescence: sex differences and normative values . Clin Biomech . 2015 ; 30 ( 5 ): 469 – 474 . doi:10.1016/j.clinbiomech.2015.03.008 10.1016/j

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Brice T. Cleland and Sheila Schindler-Ivens

). However, post hoc analyses of descriptive data suggest that differences in body composition may not explain the observed sex differences. We found no differences between males and females with respect to mass or BMI. Moreover, PASSIVE individuals had lower values for mass and BMI compared with NONPASSIVE

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Scott W. Cheatham, Kyle R. Stull, Mike Fantigrassi and Ian Montel

flexion. 32 Weeks et al 34 examined the effects of lower-extremity muscle fatigue and sex differences on single-leg squat performance in 60 subjects (30 men and 30 women; mean age = 25.3 (4.3) y). The researchers conducted 3 trials of the single-leg squat before and after the fatigue protocol. The