Zur Strukturanalyse sportmotorischer Fertigkeiten     

Ulrich Göhner 《Sportwissenschaft》1974,4(2):115-135

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Zwei Beiträge zur Geschichte des Turnens     

Klaus Zieschang  Lorenz Peiffer  J. Göhler 《Sportwissenschaft》1978,8(4):422-427

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Book reviews     

T. L. Jarman  G. Trapp  M. J. Langeveld  Otto Völcker  A. St. Langeland  E. Vermeer  H. Skrodzki  T. L. Jarman 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1956,2(1):92-101

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An examination of the Clegg impact hammer test with regard to the playing performance of synthetic sports surfaces     

M.?J.?CarréEmail author  S.?J.?Haake 《Sports Engineering》2004,7(3):121-129

One of the tests used to evaluate the performance of sports surfaces measures the peak deceleration of a rigid mass during contact with the surface, after being dropped from a set height. It is widely used and is included in a number of international standards. The test was carried out using two drop heights on four different designs of artificial cricket pitch, with a full set of acceleration data being collected over the duration of impact. These data were then integrated twice with respect to time to produce velocity and displacement information. Oblique impacts of cricket balls were also carried out and analysed using a high-speed video system to evaluate the playing performance of each pitch design. It was found that, although the pitches gave quite different readings of peak deceleration, they produced similar values for coefficient of restitution and were therefore considered to ‘play’ in a very similar way. This was due to a high peak deceleration reading being accompanied by a short contact time and low peak deceleration being accompanied by a long contact time, meaning that the change in momentum was similar in both cases. It was concluded that for accelerometer tests to be useful, all the acceleration-time data should be analysed, rather than the peak value alone.  相似文献   

Zur Theorie des Kraulbeinschlags     

Ulrich Göhner 《Sportwissenschaft》1973,3(1):70-78

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Biomechanical differences in soccer kicking with the preferred and the non-preferred leg   总被引：2，自引：2，他引：0  

Dörge HC  Anderson TB  Sørensen H  Simonsen EB 《Journal of sports sciences》2002,20(4):293-299

The aims of this study were to examine the release speed of the ball in maximal instep kicking with the preferred and the non-preferred leg and to relate ball speed to biomechanical differences observed during the kicking action. Seven skilled soccer players performed maximal speed place kicks with the preferred and the non-preferred leg; their movements were filmed at 400 Hz. The inter-segmental kinematics and kinetics were derived. A coefficient of restitution between the foot and the ball was calculated and rate of force development in the hip flexors and the knee extensors was measured using a Kin-Com dynamometer. Higher ball speeds were achieved with the preferred leg as a result of the higher foot speed and coefficient of restitution at the time of impact compared with the non-preferred leg. These higher foot speeds were caused by a greater amount of work on the shank originating from the angular velocity of the thigh. No differences were found in muscle moments or rate of force development. We conclude that the difference in maximal ball speed between the preferred and the non-preferred leg is caused by a better inter-segmental motion pattern and a transfer of velocity from the foot to the ball when kicking with the preferred leg.  相似文献   

New Attitudes Towards Work,Employment and State Intervention in the European Community     

Volker Köditz 《Compare》1985,15(2):129-139

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Zur Analyse von Bewegungsabläufen     

Ulrich Göhner 《Sportwissenschaft》1979,9(1):109-111

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Introduction to the open file     

Massimo?AmadioEmail author 《Prospects》2004,34(3):267-270

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Education level explains participation in work and education later in life     

Cecilia Bjursell  Paul Nystedt  Anita Björklund  Ola Sternäng 《Educational gerontology》2017,43(10):511-521

A prolonged working life is crucial for sustaining social welfare and fiscal stability for countries facing ageing populations. The group of older adults is not homogeneous; however, differences within the group may affect the propensity to continue working and to participate in continuing education. The aim of this paper is to explore how participation in work and education vary with gender, age, and education level in a sample of older adults. The study was performed in Sweden, a context characterized by high female labour-market-participation rates and a high average retirement age. The participants were 232 members of four of the major senior citizens’ organizations. We found no differences in participation in work and education based on gender. People older than 75 years were found to be as active as people 65–75 years old in education, but the older group worked less. There were positive associations between education level and participation in both work and education. Hence, this study implies that socio-economic inequalities along these dimensions are widened later in life. This highlights the importance of engaging workers with lower education levels in educational efforts throughout life. It also emphasizes the need for true lifelong learning in society.  相似文献