Biomechanics of the Snatch Technique of Highly Skilled and Skilled Weightlifters

Abstract

The lifting techniques of 10 world-class weightlifters were compared to those of 26 skilled collegiate weightlifters while performing the first portion of the snatch, from the lift-off of the barbell to the catch of the barbell overhead with the body in a squatting position. Cinematography was used to measure the joint angles, position of the center of gravity of the body, and the position of the barbell. Results indicated that the world-class weightlifters raised the barbell to a relatively lower height, assumed more flexed positions at the hips and knees with a smaller angle between the shank and floor during certain stages of the lift, and lowered their bodies more rapidly during the squatting portion of the lift than the collegiate weightlifters.     

Exploring indicators of engagement in online learning as applied to adolescent health prevention: a pilot study of REAL media

Educational technology research and development - Engagement is central to the effectiveness of online health messages and the related educational programs that aim to deliver these messages to the...     

The Roles of the Primary Head in Voluntary Aided and County Schools: A Personal View

In Zimbabwe, there have been some debates on democratisation and decentralisation, which led to the development of policies meant to increase teacher participation in decision-making in schools. However, despite these developments, teacher participation in decision-making in Zimbabwean schools is regarded as insignificant. Teachers work closely with students and have firsthand knowledge of their strengths and weaknesses – they are therefore the most valuable people to develop and implement policies. This study investigated the extent of teacher participation in decision-making in Zimbabwean schools. The study adopted a qualitative/interpretive research methodology and used the case study research design as the operational framework for data gathering. Data was collected through interviews, documentary analysis and observation of two staff meetings per school from five secondary schools in Gweru Education District in Zimbabwe. The population sample comprised five secondary school heads and 20 secondary school teachers. The study established that teachers were insignificantly involved in decision-making despite their eagerness to be involved. Some duties are given to senior teachers or committees even when teachers feel that they should be directly involved. There are times when school heads make unilateral decisions and impose them on teachers for implementation. The study recommends that heads of schools should give their teachers room to come up with ideas and look at all contributions objectively.     

A Cross‐Cultural Comparison of East Asian and American Higher Education Criminal Justice Student Learning Preferences Using the VARK Questionnaire

The purpose of this quantitative study was to examine the relationship between learning preferences of East Asian and American higher education students. A review of the literature revealed a body of qualitative studies suggesting a stereotypical perception of an Asian learning preference influenced by cultural variables and the historical roots of Confucianism. The pedagogical implications of this stereotypical perception are obvious to faculty engaged in teaching and learning with Asian international students in America or abroad. The authors surveyed 233 higher education students from Hong Kong and America using the VARK Questionnaire. The authors used a two‐way contingency table analysis and chi‐square statistical tests to conduct their cross‐cultural comparison on their variables of interest including age, gender, and country.