scholarly journals Gender Differences in Yearly Changes in the Cross-sectional Areas and Dynamic Torques of Thigh Muscles in High School Volleyball Players

2006 ◽  
Vol 4 ◽  
pp. 29-35 ◽  
Author(s):  
Yoshihiro Hoshikawa ◽  
Masataka Muramatsu ◽  
Tomomi Iida ◽  
Akiko Uchiyama ◽  
Yoshiharu Nakajima ◽  
...  
Keyword(s):  
High School ◽  
Gender Differences ◽  
Cross Sectional ◽  
Thigh Muscles ◽  
Volleyball Players ◽  
The Cross

scholarly journals Sex Differences in the Cross-sectional Areas of Psoas Major and Thigh Muscles in High School Track and Field Athletes and Nonathletes

2011 ◽  
Vol 30 (2) ◽  
pp. 47-53 ◽  
Author(s):  
Yoshihiro Hoshikawa ◽  
Masataka Muramatsu ◽  
Tomomi Iida ◽  
Nozomi Ii ◽  
Yoshiharu Nakajima ◽  
...  
Keyword(s):  
High School ◽  
Sex Differences ◽  
Track And Field ◽  
Cross Sectional ◽  
Thigh Muscles ◽  
The Cross ◽  
Psoas Major

scholarly journals Event-related Differences in the Cross-sectional Areas and Torque Generation Capabilities of Quadriceps Femoris and Hamstrings in Male High School Athletes

2010 ◽  
Vol 29 (1) ◽  
pp. 13-21 ◽  
Author(s):  
Yoshihiro Hoshikawa ◽  
Masataka Muramatsu ◽  
Tomomi Iida ◽  
Akiko Uchiyama ◽  
Yoshiharu Nakajima ◽  
...  
Keyword(s):  
High School ◽  
Quadriceps Femoris ◽  
High School Athletes ◽  
Cross Sectional ◽  
Torque Generation ◽  
Male High School ◽  
The Cross

Physical Self-Concept Changes in a Selective Sport High School: A Longitudinal Cohort-Sequence Analysis of the Big-Fish-Little-Pond Effect

2015 ◽  
Vol 37 (2) ◽  
pp. 150-163 ◽  
Author(s):  
Herbert W. Marsh ◽  
Alexandre J.S. Morin ◽  
Philip D. Parker
Keyword(s):  
High School ◽  
Gender Differences ◽  
Sequence Analysis ◽  
Elite Athletes ◽  
Self Concept ◽  
Cross Sectional ◽  
Age Cohorts ◽  
Stability Change ◽  
Multiple Occasion ◽  
Over Time

Elite athletes and nonathletes (N = 1,268) attending the same selective sport high school (4 high school age cohorts, grades 7–10, mean ages varying from 10.9 to 14.1) completed the same physical self-concept instrument 4 times over a 2-year period (multiple waves). We introduce a latent cohort-sequence analysis that provides a stronger basis for assessing developmental stability/change than either cross-sectional (multicohort, single occasion) or longitudinal (single-cohort, multiple occasion) designs, allowing us to evaluate latent means across 10 waves spanning a 5-year period (grades 7–11), although each participant contributed data for only 4 waves, spanning 2 of the 5 years. Consistent with the frame-of-reference effects embodied in the big-fish-little-pond effect (BFLPE), physical self-concepts at the start of high school were much higher for elite athletes than for nonathlete classmates, but the differences declined over time so that by the end of high school there were no differences in the 2 groups. Gender differences in favor of males had a negative linear and quadratic trajectory over time, but the consistently smaller gender differences for athletes than for nonathletes did not vary with time.

scholarly journals Observed Gender Differences in Intrinsic Motivation but Not Perceived Competence to Prepare Healthy Foods in Adolescents (P04-019-19)

2019 ◽  
Vol 3 (Supplement_1) ◽  
Author(s):  
Michaela Sossamon ◽  
Georgianna Tuuri ◽  
Derek Miketinas
Keyword(s):  
High School ◽  
Gender Differences ◽  
High School Students ◽  
Intrinsic Motivation ◽  
Total Sample ◽  
Perceived Competence ◽  
Cross Sectional Study ◽  
Healthy Foods ◽  
School Students ◽  
Cross Sectional

Abstract Objectives To explore gender differences in the intrinsic motivation and perceived competence to prepare healthy foods among high-school students. Methods This cross-sectional study included male and female students in grades 9 through 12 from 2 high schools and 2 community centers in southeast Louisiana. The Adolescent Motivation to Cook Questionnaire was utilized to measure these participants’ intrinsic motivation and perceived competence to prepare healthy foods. A two-way ANOVA was used to analyze least-squared mean differences in intrinsic motivation and perceived competence between genders while controlling for age, ethnicity, and location. Results One hundred twenty-four students completed the questionnaire (52.5% female). Baseline intrinsic motivation and perceived competence scores for the total sample were 17.5 + 3.4 and 17.1 + 4.0, respectively. Males reported significantly greater intrinsic motivation to cook compared to females (19.1 vs 17.7; P < 0.05) despite no differences in mean perceived competence between males and females (17.5 vs 16.0). There were no significant differences in intrinsic motivation to cook among grade levels or ethnicities. Conclusions Findings from this study indicate that intrinsic motivation to prepare healthy foods is greater in high-school males compared with high-school females despite no discernible differences in perceived competence. Future studies can explore possible explanations for this difference in order to identify strategies that can increase intrinsic motivation to prepare healthy foods in female high-school students. Funding Sources Funded in part by Hatch Act Funds # LAB 93,846 and the Louisiana 4-H program.

Gender, Lifestyles, and Victimization: Beyond Routine Activity

1986 ◽  
Vol 1 (2) ◽  
pp. 85-99 ◽  
Author(s):  
Gary F. Jensen ◽  
David Brownfield
Keyword(s):  
High School ◽  
Gender Differences ◽  
High School Students ◽  
Routine Activities ◽  
Routine Activity ◽  
Potential Importance ◽  
School Students ◽  
Cross Sectional ◽  
Delinquent Activity ◽  
Using Data

Using data from a national survey of high school seniors and a study of high school students in Tucson, Arizona, this paper tests hypotheses about gender, routine activities, and delinquent activities as correlates of teenage victimization. The results are consistent with the hypotheses and suggest the following generalizations: (1) activities which involve the mutual pursuit of fun are more victimogenic than activities which passively put people at risk; (2) delinquent activity is positively related to victimization; (3) delinquent activity is more strongly related to victimization than nondelinquent activities; and (4) gender differences in victimization are reduced considerably by controls for delinquent activity. While offense activity cannot be demonstrated to precede victimization using cross-sectional data, the results do demonstrate the potential importance of delinquent activity in explanations of victimization among youths.

scholarly journals Gender Differences in Homicide of Neonates, Infants, and Children under 5 y in South Africa: Results from the Cross-Sectional 2009 National Child Homicide Study

PLoS Medicine ◽  
2016 ◽  
Vol 13 (4) ◽  
pp. e1002003 ◽  
Author(s):  
Naeemah Abrahams ◽  
Shanaaz Mathews ◽  
Lorna J. Martin ◽  
Carl Lombard ◽  
Nadine Nannan ◽  
...  
Keyword(s):  
South Africa ◽  
Gender Differences ◽  
Infants And Children ◽  
Child Homicide ◽  
Cross Sectional ◽  
The Cross ◽  
Children Under 5

On the cross-sectional shape of the cellulose crystallites in the tunicate Halocynthia papillosa

1990 ◽  
Vol 48 (3) ◽  
pp. 566-567
Author(s):  
J.-F. Revol ◽  
Y. Van Daele ◽  
F. Gaill
Keyword(s):  
Contrast Imaging ◽  
Animal Kingdom ◽  
Bright Field ◽  
Field Mode ◽  
Cross Sectional ◽  
Ultrathin Sections ◽  
The Cross ◽  
Sectional Shape ◽  
Valonia Ventricosa ◽  
C Nmr

The only form of cellulose which could unequivocally be ascribed to the animal kingdom is the tunicin that occurs in the tests of the tunicates. Recently, high-resolution solid-state l3C NMR revealed that tunicin belongs to the Iβ form of cellulose as opposed to the Iα form found in Valonia and bacterial celluloses. The high perfection of the tunicin crystallites led us to study its crosssectional shape and to compare it with the shape of those in Valonia ventricosa (V.v.), the goal being to relate the cross-section of cellulose crystallites with the two allomorphs Iα and Iβ.In the present work the source of tunicin was the test of the ascidian Halocvnthia papillosa (H.p.). Diffraction contrast imaging in the bright field mode was applied on ultrathin sections of the V.v. cell wall and H.p. test with cellulose crystallites perpendicular to the plane of the sections. The electron microscope, a Philips 400T, was operated at 120 kV in a low intensity beam condition.

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