224 research outputs found

    Effectiveness of Vertical versus Horizontal Plyometric Training on Stretch-Shortening Cycle Performance Enhancement in Adolescent Soccer Players

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    Abstract: Plyometric exercise is a major tool for improving explosive actions. This study aimed to compare the efficacy of a vertical and horizontal plyometric training program on stretch-shortening performance variables in adolescent soccer players. Thirty-two male soccer players (aged 12.09 ± 0.89 years, with soccer experience 5.37 ± 1.58 years) were divided into horizontal plyometric, vertical plyometric, or control groups. The horizontal and vertical plyometric groups participated in a 6-week training program that was performed twice per week, with a 48-h interval, in conjunction with regular soccer training. The control group participated only in regular soccer training. Vertical jump height, reactive strength index, leg stiffness, ground contact time, standing long jump distance, agility, and 10 and 20 m sprint performances were tested as stretch-shortening performance variables of the participants. Stretch-shortening performance variables were assessed before and after completion of the training program. The results showed that either horizontal or vertical plyometric training had no effect on VJH, RSI, GCT, or Kleg performance (F = 2.14, 1.32, 0.66, 1.03; p > 0.05). Furthermore, there was no effect on SLJ, 10 m sprint, 20 m sprint, or agility performance (F = 2.06, 0.14, 0.06, 0.27; p > 0.05). A 6-week horizontal or vertical plyometric intervention was found to be insufficient to elicit stretchshortening performance enhancement in adolescent male soccer players. Although there was no performance change in any group, it was observed that the players enjoyed plyometric training. Therefore, coaches could safely use plyometric exercises to design enjoyable training programs

    Participatory policy-making, participatory civil society: A key for dissolving elite rule in new democracies in the era of globalization

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    Korkut, Umut (Dogus Author)The author argues that in democracies a strong state and strong civil society are not mutually exclusive. Only a democratic, legitimate, and strong state can provide the environment for civil society activities to flourish; in return, only a strong and a participatory civil society can outline the reach of state strength vis-`a-vis the society. The author discusses the need for civil society organizations to collaborate with policy-making institutions, in which they can negotiate policy concerns with ministers and officials while retaining an independent distance from the state and the political parties. Further, the author argues that an environment as such would provide for the transformative capacity of human agency to manifest itself in full in a globalizing world. The author discusses how participatory state and çivil society structures will enhance the role of the human agency in order to dissolve elite rule, especially in new democracies

    : An Inquiry into a Non-Dualistic Duality of Human and Nonhuman

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    In-Habitant is an art and life project based on artist Umut Tasa’s decade-long encounters with urban wildlife. It is a quest to utilize art as a research method to contemplate her memories, nature discoveries, audiovisual records, and archive of haiku and prose through a body of artworks. These artworks bring together the corporeality of nonhumans with their digital re-presentation and literary text with creative coding. The author inquires into dualistic and nondualistic ontological approaches to human-nonhuman relations in urban settings

    Türkçe Dergilerde Yayımlanan Makaleler Üzerine Bir İnceleme

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    There are currently more than 2,000 journals published in Turkey. Yet studies dealing with articles published in Turkish journals are scarce. This paper provides descriptive data on approximately 518,000 articles that appeared in 2,509 Turkish journals published between 1923 and 1999. Data comes from the Bibliography of Articles of the Republican Era 1923-1999 that was recently published by the Turkish National Library. Two thirds of the articles were on technology and social sciences. Articles in medicine constituted one fifth of all articles followed by economics (12.5%) and agriculture (6.1%). An overwhelming majority of articles were authored by a single author. One tenth of all articles appeared in ten journals. Findings can be used to develop library collection management policies for Turkish journals

    Cumhuriyet Dönemi Makaleler Bibliyografyası 1923-1999: Eleştirel Bir Değerlendirme.

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    The Turkish National Library has recently published the Bibliography of Articles of the Republican Era 1923-1999 (BARE) on CD-ROM. BARE is the most comprehensive bibliography that indexes the articles contained in Turkish journals received by the Library through “legal depot”. It contains bibliographic information on a total of 566,627 articles that appeared in 4,418 Turkish journals and periodicals. This paper critically reviews the Bibliography on the basis of its user interface, database design and data quality. Human-computer interaction (HCI) issues and the usability criteria seem to have not been taken into account when designing the user interface of the BARE CD-ROM. The user interface is not intuitive. It appears that a comprehensive systems analysis study was not carried out before designing the database and the principles of database management design seem to have been ignored. Bibliographic data listed in the printed copies of the Bibliography was simply transferred to a flat table, which resulted in data redundancy and waste of space. Boolean searches cannot be performed on author and article titles. Nine percent of the records contained errors in article and journal titles as well as authors’ names. Used through the web site of the Turkish National Library, the Bibliography and its interface should be redesigned and improved, and the functions of the search engine should be increased

    The Influences of Sectarian Fanaticism on Descriptions of Other Sects

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    WOS: 000391860100006Kitab al-Firaq is an important work belonging Abu Muhammad al -Yemeni. It reflects sectarian perception of Sunni scholars who lived in Yemen in the sixth century AH. But there is not enough information about the author and his work in the sources. But it is known that he has affected some scholars like Saksaki. In addition, influences of political, social and religious structure of Yemen can be seen in Kitab al-Firaq. Ash'arite, Ashabu'l-Hadith, Ismaelite, and Zaidiyyah were the most common sects in Yemen at that time. The social life of the region had been shaped by politics behaving sectarian competition. Hence, written books had ideological contents. Sectarian fanaticism was affecting the descriptions made on opponents. For instance, Abu Muhammad has used exclusionary language about dissident sects. In addition, he has selected the marginal views of sects; moreover, presented some opinions by falsifying and sometimes made generalizations. Therefore, modern researchers should be careful while using his book and similar works of Islamic heresiographical literature about problems such as these

    What direction for Turkey? A plea for political reconciliation. EPIN Commentary No. 26/14 October 2015

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    Even before the recent terrorist attacks in Ankara, Turkey was a country in crisis. In this EPIN Commentary Umut Uzer attempts to shed light on the political turbulence and increasing polarisation in the country, and makes a plea for a return to consensus-building ahead of the fresh round of elections in November. The author also calls upon the EU to offer incentives to Turkey to continue on the path of EU membership, but if membership is out of the question, then other platforms for cooperation should be negotiated. The EU should speak in a candid manner and make clear what kind of future relationship it envisages for Turkey, because now, more than ever, cooperation is in both their interests

    VPLIV PROPRIOCEPTIVNEGA TRENINGA NA VISOKO INTENZIVNE AKCIJE IN TEHNIKO PRI NOGOMETAŠIH: NAČRT VADBE

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    It is aimed to determine the level of influence of proprioceptive training applied to young football players on high-intensity actions and football-specific skills of football players. The research group consists of 30 male football players (age = 15.86 ± 0.69). The participants were divided into 2 groups as proprioceptive training group (PTG) and control group, each consisting of 15 football players. The body height and body weight of the participants were measured. Hand-eye coordination, vertical jump, sprint, agility, and core endurance tests, which are defined as high-intensity actions, were applied to the participants. Dynamic balance performances of the participants were also determined. Passing, ball control and dribbling were measured by international tests to determine the participants' football-specific skills. No significant differences were found between the groups in the comparison of PTG and CG in terms of high-intensity actions (p>0.05). There was also no significant difference in the comparison of the dynamic balance performance of both dominant and non-dominant feet (p>0.05). Significant differences were determined in favor of the PTG group in the variables of football-specific skills such as pass shot rate and the number of ball control (p0.05). As a result, it can be stated that in addition to football training, proprioceptive training contributes positively to the development of skills such as passing and ball control, which we can show among the basic football skills. © 2022, University of Ljubljana. All rights reserved
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