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Öğe The effect of time of day on visual reaction time performance in boxers: evaluation in terms of chronotype(Frontiers Media Sa, 2025) Kurak, Kemal; İlbak, İsmail; Stojanovic, Stefan; Bayer, Ramazan; İlbak, Yunus Emre; Kasicki, Krzysztof; Ambrozy, TadeuszIntroduction Considering the impact of individual differences on athletes' performance, chronotype emerges as a crucial variable in training program design. Chronotype influences an individual's ability to achieve peak physical and cognitive performance at different times of the day based on their biological rhythms. While numerous studies have explored the relationship between chronotype and physical performance, its effect on reaction time performance remains insufficiently investigated. In sports, where reaction time is a key determinant-such as in boxing-understanding this relationship could contribute to the personalization of training programs. Therefore, the aim of this cross-sectional study was to examine how the visual reaction performance of active boxers varies at different times of the day based on their chronotypes. Methods Twenty-four active boxers participated in the study. Their chronotypes were determined using the Morningness-Eveningness Questionnaire, categorizing them as either morning type (M-type) or evening type (E-type). The participants were divided into two groups: M-type (n = 12) and E-type (n = 12). Each participant completed a visual reaction time (VRT) performance test at three different times of the day: morning (09:00 h), afternoon (13:00 h), and evening (17:00 h). Results The findings revealed a statistically significant group x time interaction effect on VRT performance (p < 0.01). M-type athletes showed a significant decline in VRT performance during the evening compared to the morning and afternoon. In contrast, E-type athletes demonstrated significantly better performance in the evening compared to the morning. Conclusions Boxers' visual reaction time performance varies throughout the day depending on their chronotype. These results suggest that coaches and exercise specialists should consider athletes' chronotypes when designing training programs focused on reaction time enhancement. To optimize performance, it is recommended that M-type athletes conduct such training sessions in the morning, while E-type athletes should train in the evening, when their reaction time performance tends to peak.Öğe Quality Management Research in Tourism Literature: A Bibliometric Analysis Approach(Sumy State University, 2024) Erden Ayhün, Sena; Usta Kara, Işıl; Çavuşgil Köse, BilgeQuality is an important indicator for the service sector. Currently, increasingly competitive conditions, technological development and changes in customer demands and needs bring importance to the concept of quality in the tourism sector, as in many other sectors. The key role of quality management in enabling sustainable competitive advantage has guided many researchers in the field of tourism science to focus on this issue. Nevertheless, there are limited bibliometric and systematic assessments, even though they are becoming increasingly popular in the tourism industry. To contribute to further research collaboration and expand knowledge in this subject area, a bibliometric study was conducted. This research examines quality management in the tourism literature, the growth trajectory and geographical distribution of studies, the distribution of publications according to WOS indexes, the most productive authors and countries, the authors and documents that have had the greatest impact, the intellectual structure of quality management, global academic collaboration, and the main themes of publications. This study aims to identify the key issues and gaps in the literature related to quality management in the context of tourism. For this purpose, the Web of Science (WoS) database was scanned. This paper conducts a bibliometric literature evaluation of 993 articles published between 2004 and 2023. Performance analysis and science mapping techniques were used in this study. Visualization of similarities (VOS) viewer software was used to create bibliometric maps. It is concluded that the concepts of service quality and quality of life (QoL) have become prominent in tourism. It is also determined that words related to sustainability and the environment have been used in recent years. According to the results of the study, 2021, 2022 and 2020 are the most productive years. China, the USA, and Spain are the countries that have contributed the most to the development of the literature. The United Kingdom has worked in cooperation with twenty-nine countries, China's link strength is greater, as it has cooperated with twenty-seven countries. Conversely, the university that has made the greatest collaborative contributions to science is Hong Kong Polytechnic University. Thus, it is anticipated that this research will further scientific contributions to the examination of quality management in the literature related to tourism.Öğe The Effect of Electrical Muscle Stimulation (EMS) Enhanced Schroth Method Training on Cobb Angle and Quality of Life in Patients with Scoliosis(Lahore Medical Research Center Llp, 2022) Kurak, Kemal; Altunhan, Abdullah; Açak, Mahmut; Korkmaz, Mehmet Fatih; Düz, SerkanAim: Different treatment models are applied in cases that affect the quality of life of individuals with scoliosis. It has been stated that exercise applications, especially used in addition to physical therapy, are effective in the treatment process of patients with scoliosis. In recent years, Electrical muscle stimulation (EMS) has been used to increase the performance of athletes. Accordingly, this study was planned to examine the effect of Electrical muscle stimulation (EMS) application on scoliosis cobb angle and quality of life in patients with scoliosis. Methods: Twenty-four female scoliosis patients with scoliosis Cobb angle between 250 and 400 in the thoracic region between the ages of 14-26 participated in the study. The patients participating in the study were divided into three different groups as EMS Schroth exercise group (EMSS=8), Schroth exercise group (SE=8) and control group (CG=8). In addition, height, body weight, body mass index (BMI), Cobb angle measurements were taken for each group before and after the study. Scoliosis Research Society 22 scale (SRS-22) was used for these measurements. SPSS 25 statistical package program was used to evaluate the data. Since the data were not normally distributed, Mann Whitney U-test was used for pairwise comparisons. Kruskal Wallis H-tests were used to compare more than two groups. The level of significance was accepted as P<0.05 in the evaluations. Results: It was determined that there was no statistically significant difference between the age, weight, height and BMI of the EMSS, SE and CG participants and it was found that the EMSS cobb angle decreased statistically. Also, it was stated that there was a stable and very slight decrease in the SE cobb angle. It was determined that there was a statistically significant difference in the negative direction in the CG cobb angle. It was determined that there was a significant change in SRS-22 scale values in all sub-dimensions of EMSS and SE, and there was no statistically significant difference in the pre-test and post-test mean scores of the other sub dimensions except the pain sub-dimension of the CG scale. Conclusion: EMS exercises will save time in terms of faster recovery of patients in the treatment of scoliosis. Besides, it will be very beneficial in terms of time and cost by shortening the rehabilitation period of athletes after sports injuries.Öğe Lise Öğrencilerinin Engelli Bireylere Yönelik Tutumlarının İncelenmesi (İstanbul Avrupa Yakası İl Örneği)(Çanakkale Onsekiz Mart Üniversitesi, 2021) Paçal, Alev; Altun, Mehmet; Kurak, KemalAmaç: Bu çalışmanın amacı liseli öğrencilerin engellilere yönelik tutumlarının bazı değişkenlere göre incelenmesidir. Yöntem: Liseli öğrencilerinin engellilere yönelik tutumlarının incelendiği bu araştırma nicel bir çalışmadır. Bu çalışmanın evrenini, 2020-2021 eğitim-öğretim yılında İstanbul Bakırköy Tevfik Ercan Anadolu Lisesi ve Bakırköy Anadolu Lisesi, Sultangazi Cumhuriyet Anadolu Lisesi ve Başakşehir İTO Başakşehir Kız Anadolu İmam Hatip Lisesi okullarında okuyan 3978 öğrenci oluşturmaktadır. Örneklem seçimine gidilmemiş, gönüllü 402 öğrenci araştırmaya dahil edilmiştir. Veri toplama aracı olarak, Yetersizlikten Etkilenmiş Kişilere Yönelik Tutum Ölçeği (YEKYTÖ) kullanılmıştır. Verilerin analizinde elde edilen veriler SPSS (21 versiyon) programı yardımı ile analiz edilmiştir. Veriler analiz edilmeden önce normallik sınamaları Kolmogorov Simirnov ve levene testleri ile yapılmıştır. Bağımsız değişkenlere bağlı olarak ve n sayısı parametrik testler için yeterli olmayan değişkenlerin ikili karşılaştırmaları için Mann Whitney U testinden yararlanılmıştır. Normal dağılım gösteren veriler için ise, ikili karşılaştırmalar için independent sample test (t-test), çoklu karşılaştırmalar için ise tek yönlü varyans analizi ANOVA testlerinden yararlanılmıştır. Çoklu karşılaştırmalarda farkın kaynağını bulmak için Scheffe testi kullanılmıştır. Bulgular: Engelli bireylere yönelik tutumların; erkek öğrencilere göre kız öğrencilerin, spor yapma değişkenine göre spor yapanların, yapmayanlara göre, sınıf değişkenine göre 12. sınıfların, diğer sınıflara ve aile ve çevrede engelli var mı değişkenine evet diyenlerin hayır diyenlere göre daha yüksek puan ortalaması görülmüştür (p<0,05). Anne ve baba eğitim durumu ve aile gelir düzeyi değişkenlerine göre anlamlı fark bulunmamıştır (p>0,05). Sonuç: Engelli kişilerin problem ve gereksinimlerine dair çalışmalara ağırlık verilmesi, elde edilen bulgular neticesinde engelli bireylere dair hizmet planlaması ve gerekli olan düzenlemelerin hızlı bir şekilde yapılması sağlanabilir. Engelli bireylerin de içinde olduğu toplumsal kurumların ve çevre düzenlemesi ile toplum içerinde yaşam standartları arttırılmalıdır.Öğe Comparison of Internet Addiction Level of Sports Science Faculty Students in Accordance with Some Variables(Lahore Medical Research Center LLP, 2021) Dindar, Mustafa Deniz; Koç, Mustafa CanBackground: Internet addiction, which has become a global social issue, can be broadly conceptualized as an inability to control one’s use of the Inter-net which leads to negative consequences in daily life. Aim: The purpose of this study was to compare internet addiction levels of sports science faculty students in Çanakkale 18 Mart University according to some variables. Methods: 205 voluntary students that are currently receiving education who were between 19-25 age participated in this research. Internet Addiction Scale developed by Şahin and Korkmaz was used as a data collection tool. SPSS package was used in data analysis. For determining whether the data had a normal distribution or not, ‘’Kolmogorov-Smirnov’ test were used and ‘’Anova-Homogenety of variance’’ test were used for the homogeneity of data and as a result of these tests the data were determined to have a normal distribution and a homogeneity. Descriptive statistics, Independent Sample t-test and One-Way variance analysis were conducted in data analysis. Results: As a result of statistics, in scale size comparison according to gender variable, significant differences were determined in negativity in social relationship dimension and there were no significant differences in control loss and desire for staying online more. According to departments of students, there were no statistically significant differences determined in desire for staying online more and negativity in social relationships. Conclusion: In conclusion, there were similarities and differences determined between internet addiction levels of students according to departments which they received education and gender variable of students in Sports Science Faculty. These differences may be due to intentions of internet use, increasing need for internet use, and varying education styles that students receive from different departments.Öğe Mental Bozukluklara Sahip Obez Bireylerin Egzersize Katılım Durumlarının Değerlendirilmesi(Çanakkale Onsekiz Mart Üniversitesi, 2019-12-31) Dindar, Mustafa Deniz; Erduğan, Fuat; Atar, ÖzdemirAmaç: Mental rahatsızlıklar çağımızın en büyük sağlık sorunlarından bir tanesi haline gelmiştir. Mental rahatsızlıklar üzerinde uygulanmakta olan tedavi yöntemlerinden birisi olan ilaç tedavileri mental hastalıklara sahip bireylerin kilo almalarına sebep olmakta ve bunun sonucu olarak bu bireyleri obeziteye maruz bırakmaktadır. Bununla birlikte, gerek psikolojik anlamda gerek bedensel olarak bu bireylerin egzersize katılım oranları bir hayli az olduğu gözlemlenmektedir. Bu derleme çalışmasında; mental rahatsızlıklara sahip obezite ile mücadele eden bireylerin egzersize katılım durumları yapılan literatür taramasından elde edilen veriler ışığında değerlendirilerek, bu bireylerin egzersize katılmalarına engel olan ve egzersiz katılım motivasyonlarına etki eden unsurlar incelenmiştir. Yöntem: Çalışmaya ait literatür verileri, Çanakkale Onsekiz Mart Üniversitesi ve Trakya Üniversitesi kütüphane veri tabanları ve Google Scholar arama motorlarında; “Obesity and Mental Disorders’’, “Exercise Participation and Mental Disorders’’ ve “Obesity and Exercise Participation anahtar kelimeleri aratılarak gerçekleştirilmiştir. Bulgular: Çalışmanın sonucunda mevcut literatür verilerinden yola çıkarak mental rahatsızlıklara sahip obez bireylerin özellikle fiziksel aktivite esnasındaki güvenlik problemlerinden ve toplumda olumsuz anlamda damgalanmaktan çekinmeleri bu bireylerin fiziksel aktiviteye katılım motivasyonunu olumsuz etkilediği anlaşılmaktadır. Sonuç: bu bireyler için spor psikologları veya imkanlar dahilinde psikolog, psikiyatrist ve spor uzmanları eşliğinde oluşturulacak, sosyal, ruhsal ve fiziksel ihtiyaçlarına cevap verebilecek, egzersize katılımı teşvik edici müdahale ve terapi programlarının oluşturulması, bu bireylerin hem sosyal hayata kazandırılması, hem de fiziksel, ruhsal açıdan iyileşme göstermesi açısından faydalı olabileceği ileri sürülebilir.
