Assessment of leg muscles mechanical capacities: Which jump,loading, and variable type provide the most reliable outcomes?

This study aimed to explore the strength of the force–velocity (F–V) relationship of lower limb muscles and the reliability of its parameters (maximum force [F₀], slope [a], maximum velocity [V₀], and maximum power [P₀]). Twenty-three men were tested in two different jump types (squat and countermovement jump: SJ and CMJ), performed under two different loading conditions (free weight and Smith machine: Free and Smith) with 0, 17, 30, 45, 60, and 75?kg loads. The maximum and averaged values of F and V were obtained for the F–V relationship modelling. All F–V relationships were strong and linear independently whether observed from the averaged across the participants (r?≥?0.98) or individual data (r?=?0.94–0.98), while their parameters were generally highly reliable (F₀ [CV: 4.85%, ICC: 0.87], V₀ [CV: 6.10%, ICC: 0.82], a [CV: 10.5%, ICC: 0.81], and P₀ [CV: 3.5%, ICC: 0.93]). Both the strength of the F–V relationships and the reliability of their parameters were significantly higher for (1) the CMJ over the SJ, (2) the Free over the Smith loading type, and (3) the maximum over the averaged F and V variables. In conclusion, although the F–V relationships obtained from all the jumps tested were linear and generally highly reliable, the less appropriate choice for testing the F–V relationship could be through the averaged F and V data obtained from the SJ performed either in a Free weight or in a Smith machine. Insubstantial differences exist among the other combinations tested.     

The Saljuq Turks’ Conversion to Islam: The Crusading Sources

This article contributes to the important debate over the conversion of the Turks to Islam. Previously, it was thought that the Turks abandoned their former steppe faith and customs very swiftly to become staunch Sunni Muslims, but this view has recently been challenged by a number of studies. The current consensus seems to be that the Turks’ adoption of Islam was a process of far longer duration, spanning many decades. This article broadens this discussion by demonstrating that the chronicles written by the First Crusaders contain much useful information that is pertinent to this question. It works through these texts, showing that they can shed new light on this point.     

The Byzantines and Saladin: Some Further Arguments

This is the second of two articles by the same author arguing against the thesis that there was a conspiracy between the Byzantine emperors and Saladin, sultan of Egypt and Syria, against the crusader states and the Third Crusade in the 1180s. While the focus of the first article was primarily on the Latin sources, the present study shifts the focus to the Arabic primary material, hitherto largely neglected or inadequately treated by modern historians. Through a critical re-examination and re-interpretation of the Arabic sources, backed by the introduction and discussion of new Latin material when necessary, this article presents expanded arguments on the relations between the Byzantine Empire, the Sultanate of Konya and Saladin in the 1180s. The conclusions lend further support to the view that the Byzantine rulers and Saladin never concluded an alliance against the Latin settlers of Outremer and the Third Crusade.     

The “Other” in the Crusading Period: Walter the Chancellor's Presentation of Najm al-Dīn Il-Ghāzī

This paper examines ideas surrounding the presentation of the Muslim “other” in Latin writings of the early period of the Crusades. Using a case-study approach of the views of one chronicler, Walter the Chancellor, in his work Bella Antiochena, on one individual Muslim, Najm al-Dīn Il-Ghāzī, the paper studies aspects of the image of Il-Ghāzī, the reasons for them, how and why they develop throughout the chronicle, and whether, from the other information given in the chronicle, it would be possible to interpret the information in other ways. The conclusions reached demonstrate that the reason for the vitriol in Walter's presentation was his wish to justify the Crusades and suggest that the writers of Outremer started to develop their own cross-cultural responses to Islam, independent of mainstream European thought, because of their situation.     

人性假设与人力资源管理

人力资源管理的基础是人性假设 ,人性假设对人力资源管理具有导向作用。对人的认识不同 ,也就是人性假设不同 ,会有不同的选人用人政策 ,会有不同的人力资源管理方式。     

对划艇运动员科学选材的研究

采用文献研究法、问卷调查法、评价法。对地市和省队及国家队现役划艇运动员进行研究。把划艇运动员的选材提高到一个重要的位置上,以期在划艇选材的理论和实践应用上有所收获。对促进青少年划艇运动员科学选材的进程,使训练达到事半功倍的效果。     

残疾人健身现状调查与对策研究

运用问卷调查、数理统计、文献资料调研及访谈等方法,在对残疾人健身现状全面把握、并根据其特点和存在问题进行详尽的原因分析的基础上,提出促进残疾人健身的具体对策:加强宣传,突出《全民健身计划纲要》的“全民性”;合理制定体育目标,帮助残疾人建立健康的生活方式;以现实问题为基础,解决残疾人健身的内忧外患;残疾人体育的真意是康复体育而非消费体育;发挥残疾人组织的积极作用,加强残疾人体育健身引导和管理;残疾人健身要体现针对性和特殊性等。     

Secularisation and the Securitisation of the Sacred a Response to Lewin’s Framing of the Gearon–Jackson Debate

In this article, I make a response to Lewin’s insightful and judicious contribution to the Gearon–Jackson debate. I address the central and important arguments made by Lewin in relation to three aspects of my theoretical orientations on religion in education: (1) what Lewin rightly identifies as my ‘propositional’ interpretation of religion; (2) the politicisation of religion as secularisation; and (3) the securitisation of religion in education as a ‘securitisation of the sacred’. I argue some theoretical framing for this is necessary and that an engagement with the (propositional) realities more helpful than their denial, and that precisely because religion is propositional it can be so used or directed to political and security purposes. In sum, to ensure there is no sense of equivocation in my response I greatly welcome Levin’s intervention, but defend my propositional interpretation of religion and defend too my conceptualisation of the politicisation and securitisation of religion in education. Prompted by Jackson’s critique and Lewin’s subsequent intervention, this response is offered then as a bridge to facilitate further theorisation of the politicisation and securitisation of religion in education as an aspect of secularisation.     

Positive teacher–student relationships go beyond the classroom,problematic ones stay inside

The authors voice teachers' perceptions of their interpersonal experiences with students in both positive and problematic relationships. Interview data from 28 teachers were examined by coding utterances on teacher and student interactions. Results indicate that teachers defined the quality of the relationship mostly by the level of communion (friendly vs. hostile), instead of by the level of agency (in control vs. powerless). Analyses of mentioned teacher and student behavior show a friendly interactional pattern for positive relationships and a hostile pattern for problematic ones. In teachers' perceptions, positive and problematic relationships also differed in context where encounters take place and topic of talk. Contrary to interactions in problematic relationships, encounters in positive relationships were mostly situated outside the classroom context and conversations during these encounters covered a wide range of topics. Implications for teacher education programs are discussed.