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Öğe 2016 Avrupa Futbol Şampiyonasında en başarılı dört takımın oyun sistemleri ile hücum varyasyonlarının incelenmesi(İnönü Üniversitesi, 2018) Kurak, KemalAmaç: Bu araştırma ile 2016 UEFA Avrupa Futbol Şampiyonasında ilk dört'e giren takımların planlı hücum organizasyonlarının yapısı incelenerek, gol pozisyonlarıyla birlikte sistemlerden hücuma çıkış stratejilerini belirlemek amacıyla yapılmıştır. Materyal ve Metot: Çalışma nitel bir durum çalışması olup, bu çalışmanın örneklemi 2016 UEFA Avrupa Futbol Şampiyonasında mücadele eden ve şampiyonayı ilk dört sırada bitiren Portekiz, Fransa, Almanya ve Galler Futbol Milli takımları oluşmaktadır. Maçlar canlı yayında ve sonradan bilgisayardan seyredilerek oluşturulan maç izleme kriter cetveli yöntemi ve el notasyon sistemi ile analiz edilmiştir. Bulgular: 2016 Avrupa Futbol Şampiyonasında en başarılı dört takım farklı oyun sistemlerini uygulamıştır. Sistemlerden hücuma çıkış stratejilerinde farklılıklar gözlemlenmiştir. Özellikle ofansif pozisyonlarda farklı pozisyonları oynayabilme özelliğine sahip oyuncular ile hücumda çeşitlilik sağlanmıştır. Sonuç: Futboldaki yenilikleri planlı ve takım halinde uygulayabilen, farklı oyun sistemlerini oynayabilen, hücum stratejilerini planlı şekilde ortaya koyabilen, skora göre oyun taktiğini değiştirebilen ve oyuna hükmetmede başarılı olan takımların bu özellikleri ile daha başarılı olduğu ortaya konulmuştur.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; Acak, Mahmut; Korkmaz, Mehmet Fatih; Duz, 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 The Effects of Different Stretching Techniques Used in Warm-Up on the Triggering of Post-Activation Performance Enhancement in Soccer Players(Mdpi, 2024) Kurak, Kemal; Ilbak, Ismail; Stojanovic, Stefan; Bayer, Ramazan; Purenovic-Ivanovic, Tijana; Palka, Tomasz; Ambrozy, TadeuszThe aim of this research was to investigate the effects of different stretching techniques used during warm-up exercises prior to post-activation performance enhancement (PAPE) on the explosive lower extremity strength performance of soccer players. This cross-sectional study involved the participation of 13 male soccer players with an average age of 22.38 +/- 1.75, body height of 174.38 +/- 3.94, and body mass of 72.30 +/- 4.13. To determine the participants' maximal strength performance, one repeated maximal strength (1-RM) squat exercise was applied. The PAPE protocol was then implemented with a squat exercise consisting of three repetitions at 80% of 1-RM. The warm-up protocols consisted of 5 min of cycling, followed by dynamic stretching, static stretching, or proprioceptive neuromuscular facilitation (PNF) stretching exercises. These protocols were applied on four different days with a 72 h interval. A vertical jump test was conducted to measure the participants' explosive strength performance. The research data were analyzed using IBM Statistics (SPSS version 26.0, Armonk, NY, USA) software. The findings of this study revealed statistically significant differences in vertical jump performance values after PAPE among participants based on the different stretching techniques used during warm-up (p = 0.00). In this context, the research concluded that dynamic stretching is the optimal stretching technique during warm-up exercises before PAPE to maximize its effects. On the other hand, static stretching was found to negatively affect performance by absorbing the PAPE effect.Öğe The impact of existing and modify wrestling shoes on foot posture deformities in 12-13 years old athletes(Iermakov S S, 2022) Coskuner, Zeki; Acak, Mahmut; Buyukcelebi, Hakan; Ozen, Gokmen; Kurak, KemalBackground and Study Aim In the early years when sports footwear became compulsory, the importance of shoe design was not considered in terms of athletes' health. Since the early years of wrestling shoe use, these gears have been manufactured according to the rules of competition, and modifications have been very limited. In this regard, this study aims to determine the effect of existing wrestling shoes on foot deformation. Material and Methods The study was carried out with the participation of 108 young male athletes who had the same training on the same ground for three years in the Wrestling Training Center. The athletes were divided into two groups, an experimental and a control group. While the control group wore wrestling shoes produced by widely used brands, the experimental group wore newly designed wrestling shoes. Foot arch values and images of both groups were determined using a podoscope device at the beginning and end of the study. The evaluations were made according to the Staheli arch index. Results The results of the statistical analysis revealed that differences were found in the footprint measurement values of the control group. It was determined that this difference in the footprints was greater among the freestyle wrestlers. The decrease in the averages between the first and second measurement values of the group using the newly designed wrestling shoes was found to be highly positive and in a linear direction. Also, it was determined that the pain score values of the control group were higher than the scores of the experimental group after training. Conclusions The results revealed that there were deformations in the feet of the control group wrestlers wearing available wrestling shoes. It was observed that freestyle wrestling athletes had more deformation than Greco-Roman style wrestlers, and leg pains were more prevalent after training and competitions. Based on these results, it was concluded that the design of wrestling shoes produced with today's technology needs to be redesigned.
