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11.
Button C MacLeod M Sanders R Coleman S 《Research quarterly for exercise and sport》2003,74(3):257-269
The analysis of variability both within and between performers can reveal important information about how athletes satisfy situational constraints. Transitory changes in the basketball free-throw shot were examined across different stages in skill development. Six female basketball players were selected, representing a range of playing expertise (pretest: 0-90% baskets scored). Each participant was video recorded performing 30 shots. Contrary to predictions, there was not a clear pattern of a reduction in trajectory variability with increasing skill level. However, improvements in skill level were associated with an increasing amount of intertrial movement consistency from the elbow and wrist joints. It is suggested that the angular motions of the elbow and wrist joints were compensated for each other toward the end of each throw to adapt to subtle changes in release parameters of the ball. 相似文献
12.
Physiological determinants of climbing-specific finger endurance and sport rock climbing performance 总被引:1,自引:1,他引:0
MacLeod D Sutherland DL Buntin L Whitaker A Aitchison T Watt I Bradley J Grant S 《Journal of sports sciences》2007,25(12):1433-1443
The aim of the study was to examine several physiological responses to a climbing-specific task to identify determinants of endurance in sport rock climbing. Finger strength and endurance of intermediate rock climbers (n = 11) and non-climbers (n = 9) were compared using climbing-specific apparatus. After maximum voluntary contraction (MVC) trials, two isometric endurance tests were performed at 40% (s = 2.5%) MVC until volitional exhaustion (continuous contractions and intermittent contractions of 10 s, with 3 s rest between contractions). Changes in muscle blood oxygenation and muscle blood volume were recorded in the flexor digitorum superficialis using near infra-red spectroscopy. Statistical significance was set at P < 0.05. Climbers had a higher mean MVC (climbers: 485 N, s = 65; non-climbers 375 N, s = 91) (P = 0.009). The group mean endurance test times were similar. The force-time integral, used as a measure of climbing-specific endurance, was greater for climbers in the intermittent test (climbers: 51,769 N x s, s = 12,229; non-climbers: 35,325 N x s, s = 9724) but not in the continuous test (climbers: 21,043 N x s, s = 4474; non-climbers: 15,816 N x s, s = 6263). Recovery of forearm oxygenation during rest phases (intermittent test) explained 41.1% of the variability in the force-time integral. Change in total haemoglobin was significantly greater in non-climbers (continuous test) than climbers (P = 0.023--40% test timepoint, P = 0.014--60% test timepoint). Pressor responses were similar between groups and not related to the force-time integral for either test. We conclude that muscle re-oxygenation during rest phases is a predictor of endurance performance. 相似文献
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William W. Swart Kenneth R. MacLeod 《Decision Sciences Journal of Innovative Education》2020,18(1):119-137
We show how the principles of flipped learning that have been successfully applied to analytics classes taught face‐to‐face (F2F) at the undergraduate and graduate levels were emulated in corresponding online classes. Student satisfaction in the online flipped analytics classes was compared to student satisfaction in the F2F flipped analytics classes. Data were collected between the Spring 2016 and Fall 2018 semesters and involved two instructors with a sample of 726 students. The results of an independent samples t‐test showed that there was no significant difference in satisfaction between the online and F2F offerings. A binary logistics regression analysis on the data revealed that whether the flipped course was taught F2F or online had no significant effect on students recommending the course to their peers. The results suggest that flipped learning is transferrable to online analytics courses and yields student satisfaction at par with equivalent F2F flipped courses. 相似文献
18.
Academics experience difficulty in managing competing tasks, particularly in relation to writing for publication. In a study conducted on a writing retreat, analysis of data obtained from academic writers revealed that facilitative leadership provided at a writing retreat was central to managing task complexity and writing‐related anxiety. The question remains, however, about how this leadership can be modelled in campus settings in order to continue to support academics in managing the complexity of their multiple roles as teachers, researchers and writers, beyond purely technical‐rational approaches. This article outlines one approach to answering this question: it explains how containment theory was used to shed light on the leadership role at the writing retreat, and it proposes a model—strategic engagement—for the leadership role in writing for publication in campus settings. 相似文献
19.
Design Education without Borders: How Students Can Engage with a Socially Conscious Pedagogy as Global Citizens 下载免费PDF全文
Iain Macdonald Myrna MacLeod 《The International Journal of Art & Design Education》2018,37(2):312-324
This study examines the student experience of a third sector graphic design project in an international context. Inspired by a humanist and socially conscious perspective that was originally set out by Ken Garland's ‘First Things First’ manifesto in 1964, the project developed into a collaborative learning experience for African and European students. The aim of this project was to develop student global citizenship and mobility through a cultural learning experience in a very different environment with challenging resources and social conditions. Using student interviews and evidence from their reflective journals, this article analyses how UK design students participated and negotiated the implementation of live projects in an African context, specifically Mozambique. It also examines the wider impact on the cohort of students and friends who did not travel to Africa but followed the experience online. Risk taking, experimentation and an appetite for enquiry are attributes that students are encouraged to develop, but they can equally apply to teachers and lecturers as they develop their curricula. Within the framework of university learning, teaching and assessment strategies space can be found for design educators to look beyond corporate and conventional consumer outlets to a more socially conscious and community focus without borders. 相似文献
20.
Judy Goldfinch Phyllis Laybourn Lucy MacLeod Sheila Stewart 《Assessment & Evaluation in Higher Education》1999,24(1):41-51
Frequently undergraduate project work involves students working in groups. Such groupworking is often problematic owing to poor groupworking skills on the part of the students involved, yet ‘teamwork’ is one of those generic skills highly prized by employers. This study describes a pilot project to involve employers in the development of groupworking skills in undergraduate students, with the aims of increasing student awareness of group dynamics and processes and of promoting more effective groupworking. Students worked in small groups over a period of six to eight weeks on a problem associated with the module being studied. Employers observed students working in their groups and provided feedback to the students on their groupworking skills. The reactions (extremely positive) of students, staff and employers are presented. The procedures and methods used in the pilot are described and evaluated. 相似文献