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This study aimed to (1) evaluate the effect of hand shaking during recovery phases of intermittent testing on the time–force characteristics of performance and muscle oxygenation, and (2) assess inter-individual variability in the time to achieve the target force during intermittent testing in rock climbers. Twenty-two participants undertook three finger flexor endurance tests at 60% of their maximal voluntary contraction until failure. Performances of a sustained contraction and two intermittent contractions, each with different recovery strategies, were analysed by time–force parameters and near-infrared spectroscopy. Recovery with shaking of the forearm beside the body led to a significantly greater intermittent test time (↑ 22%, P?P?P?相似文献   
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Purpose: The present study aimed to determine if autonomic cardiac modulation was influenced by acute exposure to normobaric hypoxia. Method: Ten healthy male lowland dwellers completed five block-randomised single-blinded, crossed-over acute exposures to a normobaric hypoxic environment, each separated by 24 hours’ recovery (20.3%, 17.4%, 14.5%, 12.0% and 9.8% FIO2). Supine recordings were made of arterial oxygen saturation and electrocardiogram (ECG). RR intervals from the ECG trace were analysed for time (SDNN, lnrMSSD), frequency (lnVLF, lnLF, lnHF, lnTP, LFnu, and HFnu), and nonlinear (DFA-α1 and SampEn) heart rate variability components. Results: A significant reduction in arterial SaO2 occurred with reduced FIO2, along with a rise in heart rate (Cohen’s d?=?1.16, 95% Confidence Interval [2.64–6.46]), significant at 9.8% FIO2. A decrease in autonomic cardiac modulation was also found as shown by a statistically significant (at 9.8% FIO2) decrease in lnTP (d?=?1.84 [1.74–1.94]), and SampEn (d?=?0.98 [0.83–1.12]) and an increase in DFA-α1 (d?=?0.72 [0.60–0.84]) from normoxia at 9.8% FIO2. Conclusion: The decrease in variability indicated a reduction in autonomic cardiac modulation. There appears to be a threshold ~9.8% FIO2 (~6000?m equiv.), below which significant alterations in autonomic control occur.  相似文献   
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Mental toughness can be conceptualised as a set of attributes that allow people to deal effectively with challenges, stressors and pressure. Recent work has suggested that it may be a valuable construct to consider within educational settings. The current studies explored the associations between mental toughness and educational transitions. Study 1 examined the relationships between mental toughness and concerns about moving to a new school in 105 children aged 12–13 years of age. The results revealed significant relationships between several aspects of mental toughness, but particularly confidence in abilities, and children’s concerns. Study 2 examined the relationships between mental toughness and adjustment to university in 200 undergraduate students at various stages of their course. The results revealed a role for several aspects of mental toughness; commitment, control of life, control of emotion, confidence in abilities and interpersonal confidence. The results are discussed in terms of implications for educational practice. It is suggested that measures of mental toughness could be used to identify individuals who may benefit from additional support during transition to a new school or to university, and that future research should explore the potential benefits of mental toughness training.  相似文献   
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本文提出一种以对人分析为特点的销售理论思路,分析了现有CRM系统不足.销售是对关键人和关键意见领袖的销售,销售的是关键人关心的集成虚拟产品-产品、买点、卖点、选择标准、兑现性的集成,销售过程可用与客户关系、客户态度、客户信心等指标监测,描述出信息间关联关系表和主要流程,界定了“客户关系链”管理的概念.  相似文献   
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The author presents the concept of natality for consideration in terms of pastoral care and educational purpose. The discussion identifies significant threats to the future for pastoral care in schools, including the Global Educational Reform Movement and the increasing emphasis on teachers taking charge of discipline in the classroom, at the expense of relational and emotional engagement. The author proposes options for professional development and improvements in school culture with natality as a recurrent reference point in a holistic view of education.  相似文献   
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This case study research found that the relational leadership and organisational culture at a public primary school situated in a high poverty location in South Australia was built upon the strength of the inter-relationships between the teachers, teachers and leadership, and between teachers and students. Supported by what we called ‘dynamic inter-relationships’ and a ‘commitment to ongoing growth’ manifesting as key themes across the qualitative survey data generated by the school’s participants, we found the individual strengths of staff served the ‘on-going formation of organisational life’. Cognisant of these disclosed relational underpinnings, the research provided recommendations to the school’s leadership team about how they could best progress their educational reform agenda. The findings affirmed an Appreciative Inquiry inspired approach designed for the research was ‘fit for purpose’ as it generated extensive qualitative data from the teachers and leaders, offering opportunity for deep interpretive analysis using hermeneutic methodology of the school’s relational leadership and organisational culture. The research findings were subsequently confirmed by the teachers and leaders through a dialogic presentation of the research findings as an accurate representation of the culture of their school.  相似文献   
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