Evidence for biomechanics and motor learning research improving golf performance     

Keogh JW  Hume PA 《Sports biomechanics / International Society of Biomechanics in Sports》2012,11(2):288-309

The aim of this review was to determine how the findings of biomechanics and motor control/learning research may be used to improve golf performance. To be eligible, the biomechanics and motor learning studies had to use direct (ball displacement and shot accuracy) or indirect (clubhead velocity and clubface angle) golf performance outcome measures. Biomechanical studies suggested that reducing the radius path of the hands during the downswing, increasing wrist torque and/or range of motion, delaying wrist motion to late in the downswing, increasing downswing amplitude, improving sequential acceleration of body parts, improving weight transfer, and utilising X-factor stretch and physical conditioning programmes can improve clubhead velocity. Motor learning studies suggested that golf performance improved more when golfers focused on swing outcome or clubhead movement rather than specific body movements. A distributed practice approach involving multiple sessions per week of blocked, errorless practice may be best for improving putting accuracy of novice golfers, although variable practice may be better for skilled golfers. Video, verbal, or a combination of video and verbal feedback can increase mid-short iron distance in novice to mid-handicap (hcp) golfers. Coaches should not only continue to critique swing technique but also consider how the focus, structure, and types of feedback for practice may alter learning for different groups of golfers.  相似文献   

Putting objects of reference in context     

Marion McLarty 《欧洲特需教育杂志》2013,28(1):12-20

ABSTRACT

The use of objects of reference as part of the development of communication‐has become established practice in the education of deafblind and multi‐sensory impaired children and young people. Unfortunately, there is comparatively little written material available for those who wish to develop this approach in their own practice with learners who have severe or profound and multiple difficulties. The result of this has been that many of the ‘second wave’ of interested practitioners have overemphasized the objects themselves with little or no appreciation of their use within a supporting context. The paper considers the philosophies and theories that underpin the methodological framework in deafblind education, and suggests how these could be applied to develop practice with a wider group of learners  相似文献   

Biomedical instrumentation and measurements : Cromwell,Weibell, Pfeiffer and Usselman. 446 pages,diagrams, illustrations, 6 × 9 in. Prentice- Hall,Englewood Cliffs,N.J., 1973. Price, $16.95 (approx. £6·70).     

Marion J. Siegman 《Journal of The Franklin Institute》1974,298(1):73-74

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A generic approach to counseling parents of exceptional children     

R L Marion 《Exceptional children》1978,44(6):465-466

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Working in an Open Tech Project and the Open University: some reflections     

Marion Phillips  Valda Stevens 《Open Learning》2013,28(3):38-42

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The medical matters wiki: building a library Web site 2.0     

Robertson J  Burnham J  Li J  Sayed E 《Medical reference services quarterly》2008,27(1):21-32

New and innovative information technologies drive the ever-evolving library profession. From clay tablet to parchment scroll to manufactured paper to computer screen pixel, information storage, retrieval, and delivery methods continue to evolve, and each advance irrevocably affects the way libraries, and librarians, work. The Internet has forever altered information and library science, both in theory and practice, but even within this context the progression continues. Though ambiguously defined, Web 2.0 offers a new outlook and new software, presenting librarians with potentially invaluable new tools and methods. This paper discusses the creation, implementation, and maintenance of a Web 2.0 technology, the wiki, as a resource tool for an academic biomedical library.  相似文献   

From the editor     

Marion C. Hyson  Editor 《Early childhood research quarterly》1997,12(4):361-362

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Identity and Culture: theorising emergent environmentalism     

Justin Dillon  Elin Kelsey  Ana Maria Duque‐Aristizabal 《Environmental Education Research》1999,5(4):395-405

This article critically examines the methodology and findings of the emergent environmentalism research project as reported in Environmental Education Research (EER), 4(4). We challenge both the ontological stance implicit in the research as well as its explicit epistemology. We argue for a wider theoretical underpinning to the research and specifically advocate the use of identity theories to explain personal and social phenomena. We also argue for the use of theoretical frameworks that empower rather than ‘capture’ cultural groups.  相似文献   

An evaluation of daylight distribution as an initial preventive conservation measure at two Smithsonian Institution Museums, Washington DC, USA     

Julio M. del Hoyo-Melndez  Marion F. Mecklenburg  María Teresa Domnech-Carb 《Journal of Cultural Heritage》2011,12(1):54

This paper presents the results of a light levels survey conducted at the Donald W. Reynolds Center for American Art and Portraiture in Washington DC. The museum space is shared by the National Portrait Gallery and the Smithsonian American Art Museum. After six years of extensive renovations, the building reopened to the public in July 1, 2006. The structure was not originally designed to house a museum collection since it contains numerous openings such as windows, doors and skylights, which provide a path for natural radiation to enter the building and come in contact with the artworks. From a preventive conservation standpoint, this is an important problem since sensitive works of art in the collection may be subjected to damage caused by light exposure. Environmental data loggers installed throughout the museum were programmed to take successive measurements every 10 min for 24 h a day, 7 days a week and 52 weeks a year. This light levels assessment started in November 1, 2007 and finished in October 31, 2008. This study presents a new method for determining natural radiation exposures registered in exhibition spaces that rely on both electric lighting and natural lighting, considering the growing trend of using daylight illumination in museums.  相似文献   

Contraction force specificity and its relationship to functional performance     

Harris N  Cronin J  Keogh J 《Journal of sports sciences》2007,25(2):201-212

Best practice for improving strength and power through resistance strength training has been the subject of much research and subsequent conjecture. Much of the conjecture can be attributed to methodological discrepancies. The type of dynamometry used in testing, the training experience of research participants, the specific technique employed in a lift, and the methods of collection and calculation all impact on the final variables of interest. This review examines contraction force specificity by first addressing the methodological issues surrounding our interpretation of the results. Then we address the kinematics and kinetics associated with single and multiple repetitions in relation to the development of strength, power, and functional performance. This discussion provides the delimitations for analysis of subsequent training studies. Finally, recommendations are formulated with the aim of assisting assessment and training practice as well as providing directions for future research. The results of this review suggest that the enhancements in performance resulting from resistance training are context specific in experienced resistance-trained participants. Thus, specific conditioning could be required to achieve improvements in functional performance in this group.  相似文献