The aim of this study was to investigate the effects of core strength training on balance, explosive force and agility. 28 athletes volunteered in the study. The athletes were separated into two groups: the experimental group (n=15) with the average of age and weight of 19.5 ± 1.2 years and 64 ± 8.9 kg, respectively and the control group (n=13) with average age and weight of 19.4 ± 1.5 years and 67.4 ± 10.3 kg respectively. During the intervention, both groups continued their normal training sessions for 8 weeks. The experimental group performed thirteen core movements 3 times a week for 8 weeks, while control group did not. The experimental group performed each movement with 20 repetitions of 3 sets and a 1 minute rest between sets. Pre and post-intervention, standing long jump, Illinois and double right/left foot balance tests were used to determine the explosive force, agility and balance performance, respectively. Wilcoxon Signed Ranks test was used for the analysis of the difference between pre-test and post-test groups and Mann Whitney U test was used for the comparison of the two groups. In order to make statistical analysis of the study, the significance level was accepted as p <0.05. After the 8 week intervention, both groups' participants showed significant improvement in the explosive force and agility performance; whereas no significant difference was found in the double right/left foot balance test results. When the difference between the groups was examined, the post test results showed a significant difference in long jump and agility tests. The post test results of the experimental group were found to be higher than the control group. The 8-week core strength training intervention showed no effect on athletes' balance but a positive effect on long jump and agility were observed.
Bu çalışmanın amacı düzenli olarak spor yapan bireylerin beslenme bilgi düzeylerini belirlemektir. Aydın ilinde özel spor salonunda düzenli olarak fitness ve vücut geliştirme sporu yapan 115 gönüllü çalışmaya katılmıştır. Araştırma verilerinin elde edilmesinde kişisel bilgi formu ve Alpar (2011) tarafından geliştirilen belenme alışkanlıkları ve besin tüketim sıklıkları anket formları kullanılmıştır. Araştırmaya katılan katılımcıların yaş ortalamaları 21,51±5,02 vücut ağırlıkları ortalamaları 74,81±14,04 kg, boy ortalamaları 177±7,17 cm ve vücut kitle indeksi (VKİ) 23,57±3,57 bulunmuştur. Verilerin analizinde SPSS 22 paket programı kullanılmıştır. Elde edilen verilerin istatistiksel gösterimlerinde tanımlayıcı ve betimsel istatistiklerden faydalanılmıştır. Çalışma sonucunda katılımcıların ana öğünlerini atlamadıkları; %81,2'sinin kahvaltı yaptığı, %92,2'sinin öğle yemeği yediği, %97,4'ünün akşam yemeği yediği saptanmıştır. Ara öğünlerde ise oranların daha düşük olduğu görülmektedir. Katılımcıların besin ergojeniği kullanma durumlarına bakıldığında %27'sinin besin ergojeniği kullandığı %72,2'sinin besin ergojeniği kullanmadığı ortaya konmuştur. Besin ergojeniği kullanan %27lik oranda en çok kullanılan besin ergojeniği çeşidinin protein tozu olduğu saptanmıştır.
The aim of this study was to investigate the effect of 6-week yoga exercises on balance, flexibility, strength, and body fat percentage in soccer players. The sample group of the study consisted of 26 soccer players in a team, competing in the Turkish 1st League, with a mean height of 180.81 ± 6.87 centimeters (cm), mean body weight of 75.77 ± 9.08 kilograms (kg), and a body mass index (BMI) of 23.10 ± 1.62. Basic-level strength yoga exercise techniques were applied to soccer players for 6 weeks, 4 times a week each for 30 minutes before morning soccer training. The participants' balance, flexibility, and strength measurements were carried out twice, before and after 6-week yoga exercises. An Easytech dynamic balance system was used for balance measurements, a Takei-branded handgrip measuring device was used for strength measurements, and the sit and reach flexibility test was used for flexibility measurements. The data obtained from the study were analyzed using SPSS (Statistical Package for Social Sciences) for Windows 25.0. Descriptive statistical methods (number, percentage, mean, and standard deviation) were used in the evaluation of the data. The paired t-test, which is one of the parametric tests, was applied for the normally distributed parameters. According to the results of statistical analysis, a significant difference was found in the pre-test and post-test balance, flexibility and strength measurements of the participants (p<0.05). However, no statistically significant difference was found in the body mass index (BMI) values of the participants (p>0.05). In conclusion, it can be said that 6-week basic-level strength yoga exercises had a positive effect on balance, flexibility, and strength in soccer players. Furthermore, it may be suggested that yoga exercises to be applied by coaches before the season should be included in training programs considering that they will contribute to the motor development of soccer players.
Long-term regular exercise is associated with physiologic and morphologic alterations in the heart chambers. The aim of this study to evaluate left atrium (LA) phasic functions in professional football players and compare with control subjects. Left atrial volume was calculated at end-systole (Vmax), end-diastole and pre-atrial contraction by echocardiography in 20 professional male football players (mean age, 20.15+2.11 years) and 20 male control subjects (mean age, 22.3+1.49 years). Echocardiographic assessments were performed were performed using the criteria of the American Society of Echocardiography. The following LAVs were measured: maximal volume (Vmax), minimal volume (Vmin) and LAV before atrial contraction (VpreA) at the onset of the P wave of the simultaneously recorded ECG. Left atrial ejection fraction (LAEF), expansion index (LAEI), active emptying volume index (LAAEVI) and fraction(LAAEFr), passive emptying volume index (LAPEVI) and fraction (LAPEFr) were calculated. Baseline characteristics, demographics, two dimensional and tissue Doppler echocardiographic parameters were not statistically significant between the groups (Table 1). Both groups were similar in terms of Vmax index but Vmin index and VpreA index were significantly higher in football players. LAEF, LAEI, LAAEVI and LAAEFr were lesser in football player but they were not statistically significant. Also LAPEVI and LAPEFr were similar in both groups (Table 2). Professional football playing can be associated with morphologic alteration in left atrium mechanical functions. Further prospective, randomized, controlled trials with long term follow-up are necessary to make more robust interpretations of this issue.
Bu çalışmada, son dünya kupası şampiyonu Fransa milli takımının şampiyonluk başarısının farklı değişkenler açısından analiz edilmesi amaçlanmıştır. Fransa milli takımının araştırma verileri, WyScout futbol analiz internet sitesinden elde edilmiştir. Maçlarda, atılan toplam şut, başarılı pas, öne pas, başarılı öne pas, isabetli şut, atılan gollerin zaman dilimine göre dağılımı, uzun pas, korner atışı, kanatlardan hücum tehlike düzeyleri, takım boyu, futbolcular arasında yapılan en sık pas kombinasyonları ve top hakimiyeti gibi parametreler ele alınıp analiz edilmiştir. Elde edilen veriler SPSS (20.0) programında kaydedilmiştir, frekans yüzde değerleri ve korelasyon hesaplanarak yorumlanmıştır. Şampiyon Fransa Milli takımının attığı gollerin %66,6'sını ilk yarıda atarken gollerin %50'sini 31-45. dakikalar arasında atmıştır. Fransa turnuva boyunca 77 tane şut atarken bunların 29 tanesi isabetli olmuştur ve %37,66'lık bir başarı oranı sağlamıştır. Turnuva da Fransa Milli takımının başarılı pas oranı %84,93'tür, başarılı ileri pas oranı ise %74,35'dir. Fransa Milli takımının turnuva boyunca maksimum top hakimiyet süresi %66'lık bir orandır ve takım boyu ortalaması 42,57 metredir. Fransa Milli takımının yüksek pas oranı, şut oranı, olumlu pas yüzdesi ve takım boyundaki yakınlık şampiyonluğun oluşumunda önemli olduğu düşünülmektedir. Sonuç olarak; önemli turnuvalarda, başarılı olabilmek için gerekli pek çok unsuru Fransa Milli takımının yüksek oranda yaptığı söylenebilir.
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