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文章通过梳理相关历史文献并结合田野调查资料,描绘了新疆撒拉族的历史渊源和形成的历史过程;新疆撒拉族在迁徙的历史进程中,为了立足新的环境与周边民族文化进行了长期的互动、积极调适,社会文化发生了积极的变迁. 相似文献
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Joyce Ann Mercer 《Religious education (Chicago, Ill.)》2013,108(3):280-286
This article proposes a pedagogy based upon congregational studies to further the contextualization of education in both seminary and congregational settings. Christian congregations and theological seminaries comprise two overlapping yet distinctive “communities of practice” in which teaching and learning the Bible constitutes a primary, even defining, activity. The article describes a seminary course that used congregational studies as its pedagogical framework. It then outlines eight features of a pedagogy based upon congregational studies, concluding with a brief assessment of the dangers and opportunities for a more contextual approach to education in seminary and congregational educational settings. 相似文献
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Joshua P. Bailey Janet S. Dufek Julia Freedman Silvernail James Navalta John Mercer 《Sports biomechanics / International Society of Biomechanics in Sports》2020,19(5):618-632
ABSTRACT During the course of a training programme, runners will typically increase running velocity and volume possibly encountering fatigue during a run, which is characterised as a feeling of general tiredness. The purpose of the current study was to identify whether or not level of perceived fatigue affects coordination and coordination variability in healthy runners during the recovery velocity of an endurance interval run. A total of 20 endurance runners completed a 1-hour run that included running velocity intervals at 75% of estimated 10 k race pace (5 minutes) and estimated 10 k race pace (1 minute). After each run, participants completed a fatigue questionnaire and were grouped based on their post-run self-reported perceived fatigue. 3D motion capture data were collected during the run and analysed to generate coordination patterns and variability of the patterns as dependent variables. Multiple mixed model ANOVAs were conducted to test for differences between perceived fatigue groups. Coordination and variability differences were reported in a number of couplings during transition phases (late and early stance) and events (toe-off and foot contact) of the gait cycle. It was concluded that the level of perceived fatigue affected coordination and coordination variability during the recovery velocity of a 1-hour interval run. 相似文献
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Characteristics of shock attenuation during fatigued running 总被引:1,自引:1,他引:0
The aim of this study was to examine shock attenuation before and after completing a maximal effort graded exercise test while running on a treadmill. Ten individuals ran before and after a maximal graded exercise test with running speed controlled between conditions. Transfer functions were calculated using surface-mounted accelerometers to represent shock attenuation. An accelerometer was mounted on the distal aspect of the tibia and another on the anterior aspect of the forehead. Ten strides were analysed in each condition for all participants. Paired t-tests were used to compare each dependent variable (shock attenuation, stride length, rate of oxygen consumption) between conditions (running before vs after the exercise test). Oxygen consumption was 16% greater when running after the graded exercise test (47.9 +/- 5.0 ml x kg(-1) x min(-1); mean+/-s) than when running before it (41.1 +/- 2.7 ml x kg(-1) x min(-1)) (P < 0.05). Stride length was similar during running before (2.71 +/- 0.15 m) and after (2.75 +/- 0.17 m) the graded exercise test (P > 0.05). Shock attenuation was, on average, 12% lower during running after (-9.8 +/- 2.6 dB) than before (-11.3 +/- 2.7 dB) the graded exercise test (P < 0.05). We conclude that less shock was attenuated during fatigued than non-fatigued running and that only subtle changes in stride length were made while fatigued. 相似文献