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41.
The action sport industry is a high growth sector that attracts the lucrative Generation Y market. Although there is a growing body of literature that examines the characteristics and traits of the Generation Y market as consumers of action sports, little is known about the supply side of the action sports industry. This paper illustrates through the example of the skateboarding sport cluster, that this sector has evolved in an organic, almost chaotic manner very different to that of the mainstream sports industry. Entrepreneurs have taken advantage of the open system, the lack of formal boundaries and the risk loving nature of the market to grow the sector into a very profitable industry. The paper specifically illustrates the differences to mainstream sports in relation to provision of facilities, program development and pathways and the roles of suppliers, councils and program developers. 相似文献
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Terese L.Chmielewski Justin Tatman Shuhei Suzuki MaryBeth Horodyski Darcy S.Reisman Russell M.Bauer James R.Clugston Daniel C.Herman 《运动与健康科学(英文)》2021,10(2):154-161
This review presents a conceptual framework and supporting evidence that links impaired motor control after sport-related concussion(SRC)to increased risk for musculoskeletal injury.Multiple studies have found that athletes who are post-SRC have higher risk for musculoskeletal injury compared to their counterparts.A small body of research suggests that impairments in motor control are associated with musculoskeletal injury risk.Motor control involves the perception and processing of sensory information and subsequent coordination of motor output within the central nervous system to perform a motor task.Motor control is inclusive of motor planning and motor learning.If sensory information is not accurately perceived or there is interference with sensory information processing and cognition,motor function will be altered,and an athlete may become vulnerable to injury during sport participation.Athletes with SRC show neuroanatomic and neurophysiological changes relevant to motor control even after meeting return to sport criteria,including a normal neurological examination,resolution of symptoms,and return to baseline function on traditional concussion testing.In conjunction,altered motor function is demonstrated after SRC in muscle activation and force production,movement patterns,balance/postural stability,and motor task performance,especially performance of a motor task paired with a cognitive task(i.e.,dual-task condition).The clinical implications of this conceptual framework include a need to intentionally address motor control impairments after SRC to mitigate musculoskeletal injury risk and to monitor motor control as the athlete progresses through the return to sport continuum. 相似文献
43.
This article explores the crucial moments of scientists’ research activities when they decide to shift to a radical new domain or to perpetuate a project. We introduce what we have called the “respiration model” which describes and analyses key cognitive components which occur in this complex process. Respiration either privileges epistemic expectations which are rooted in socio-cognitive metrics of “concentration” or in a functionality-multiple horizon context which we refer to as “extension”. The respiration model accords particular attention to the elements curiosity and synergy in science. 相似文献
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Terry N. Clark 《Minerva》1970,8(1-4):599-601
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The aim of the present study was to examine the factorial validity of the Test of Performance Strategies (TOPS; Thomas et al., 1999) among adolescent athletes using confirmatory factor analysis. The TOPS was designed to assess eight psychological strategies used in competition (i.e. activation, automaticity, emotional control, goal-setting, imagery, negative thinking, relaxation and self-talk,) and eight used in practice (the same strategies except negative thinking is replaced by attentional control). National-level athletes (n = 584) completed the 64-item TOPS during training camps. Fit indices provided partial support for the overall measurement model for the competition items (robust comparative fit index = 0.92, Tucker-Lewis index = 0.88, root mean square error of approximation = 0.05) but minimal support for the training items (robust comparative fit index = 0.86, Tucker-Lewis index = 0.81, root mean square error of approximation = 0.06). For the competition items, the automaticity, goal-setting, relaxation and self-talk scales showed good fit, whereas the activation, emotional control, imagery and negative thinking scales did not. For the practice items, the attentional control, emotional control, goal-setting, imagery and self-talk scales showed good fit, whereas the activation, automaticity and relaxation scales did not. Overall, it appears that the factorial validity of the TOPS for use with adolescents is questionable at present and further development is required. 相似文献
47.
This paper explores a project funded through the National Network of Libraries of Medicine to enhance effective use of the Internet by public health professionals. The processes and outcome of an effort to develop a statewide Web site for public health professionals are described. A series of focus groups was conducted as a preliminary data-gathering tool to evaluate the information needs of the target population. Results of the focus group provided a valuable framework upon which to build a successful schema for Web site development. 相似文献
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