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1.
Martin Schnitzer Benjamin Bodner Sabrina Scheiber Erich Thöni Martin Kopp 《Sportwissenschaft》2016,46(1):26-33
The aim of this article is to gain insights into the economic impacts of the Winter Youth Olympic Games (YOG). Taking the example of Innsbruck 2012 (YOG 2012)—the first ever Winter YOG—the economic dimension of the event is comprised by calculating the primary economic impulse as well as the induced economic impulse (total economic effect). For the purpose of this study the region (Tirol) and the period of time (13th to 22th January 2012) were chosen. 相似文献
2.
Erich Renner 《Zeitschrift für Erziehungswissenschaft》2001,4(4):641-659
In der Navajo-Familienstudie wird versucht, das auf ethnop?dagogisch-biographischer Grundlage bei zwei Pers?nlichkeiten erarbeitete
kulturelle Deutungsmuster believing in ceremonies auf seine Relevanz für andere Familienangeh?rige zu überprüfen. Die Aufnahme von narrativen Interviews/Selbstbiographien
weiterer zw?lf Mitglieder des Familienverbandes Bedoni-Atene erm?glicht es, dass wichtige personale und lebensweltliche Einflüsse
kontingent thematisiert werden. Der dadurch erreichte Einblick zeigt das Deutungsmuster believing in ceremonies als vielschichtiges Bewusstseinskonstrukt bei den einzelnen Pers?nlichkeiten. Darin ist die Bedeutung des sozialisatorischen
Kontextes, dessen individuelle Wahrnehmung und der unverwechselbare Zugriff der Probanden auf vorhandene kulturspezifische
Lebensbedingungen pr?sent. 相似文献
3.
Kinematic differences of elite and high-performance tennis players in the cross court and down the line forehand 总被引:1,自引:0,他引:1
Landlinger J Lindinger SJ Stöggl T Wagner H Müller E 《Sports biomechanics / International Society of Biomechanics in Sports》2010,9(4):280-295
This study identified and compared the full body kinematics of different skill levels in the forehand groundstroke when balls were hit cross court and down the line. Forty-three three-dimensional retroreflective marker trajectories of six elite and seven high-performance players were recorded using an eight-camera 400 Hz, Vicon motion analysis system. The six highest horizontal velocity forehands with reliable kinematics of all participants were analysed for each specific situation (a total of 156 analysed shots). Significant differences (p < 0.01) and large effect sizes were observed between elite and high-performance players in linear velocity of the shoulder (2.0 vs. 1.2 m/s), angular velocity of the pelvis (295 vs. 168 degrees/s), and angular velocity of the upper trunk (453 vs. 292 degrees/s) at impact. The elite group showed a tendency towards higher racquet velocities at impact (p < 0.05). No significant differences were found in angular displacement of the racquet, hip alignment, or shoulder alignment at the completion of the backswing; nor did angular displacement vary significantly at impact. Irrespective of the group, different shoulder, hip, and racquet angles were found at impact, depending on the situation. The results should assist coaches when striving to improve their players' forehand. 相似文献
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Erich Wittmann 《Educational Studies in Mathematics》1976,7(1-2):179-184
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Erich Petushek Chris Richter David Donovan William P. Ebben Phillip B. Watts Randall L. Jensen 《Sports Engineering》2012,15(3):159-166
Quantifying countermovement jump (CMJ) and landing knee flexion angle is important for performance and injury risk assessment. The purpose of the study was to compare electrogoniometer (El-Gon)- and video-derived CMJ and landing knee flexion angle. Twenty-two adults performed three CMJs while knee flexion angle was simultaneously assessed using an El-Gon and video. The average systematic offset (RMSE) of the El-Gon-derived knee flexion angle throughout the entire movement was 7.03°?±?2.69°. Excellent reliability was demonstrated by the El-Gon (ICCavg?=?0.92). Countermovement knee flexion angle, maximum landing knee flexion angle and flexion angle at maximum vertical ground reaction force were 12.0°, 10.9°, and 5.7° higher, respectively, when assessed using El-Gon (p?<?0.001), compared to video. Errors between instruments are likely due to El-Gon crosstalk, misalignment and/or axis determination. The El-Gon is a cost-effective and time-efficient alternative to video analysis for the assessment of knee flexion angle if the error is accounted for and the sensor is precisely attached. 相似文献
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