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    Determination the validity of the new developed sport expert hand grip dynamometer measuring continuity of force and comparison with current takei and baseline dynamometers
    (Edizioni Minerva Medica, 2015) Güçlüöver, Aziz; Kutlu, Mehmet; Cigerci, Ali Erdem; Esen, H. Tolga; Demirkan, Erkan; Erdoğdu, Murat
    Aim. In this study the Sport Experts (TM) brand of hand grip dynamometer, measuring the continuity of force with the new developed load cell technology, was compared with Takei and Baseline (R) dynamometers, the current in use. It was tried to determine the correlation between them. In a study with provides use of clinical, orthopedic and rehabilitative purposes in the athletes and patient populations, this developed dynamometer can provide useful data by observing the continuity of force. Methods. The sample of the study included 60 badminton players in 2010-2011; consisting of Turkish Junior National male players (N.=16, age: 16.8 +/- 1.5), Junior National female players (N.=14, age: 16.9 +/- 1.6), amateur level male players (N.=15, age: 16.3 +/- 0.8) and amateur level female players (N.=15, age: 16.1 +/- 0.6). ANOVA was used in the statistical methods in order to compare the hand grip strength made by different brands; Pearson's correlation coefficient was used to determine the relationship level between dynamometers. Furthermore, test-retest reliability analysis was completed the new developed expert dynamometer. Results. There was no statistically significant difference in the comparison of the dynamometers (P>0.05). Besides, a highly significant relationship (r=0.95 to 0.96) was found among all three dynamometers. However, the reliability coefficient was found (Chronbachs alpha: 0.989, ICC:0.97, r=0.97), (P<0.01) for the new developed expert dynamometer. Conclusion. Comparison between the dynamometers and the statistical results obtained from the correlation relationships shows interchangeability of dynamometers. As a result, our observation of force continuity (progression) of the athlete and patient populations is thought to be important.
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    Investigation of the Effects of 8 Week Core Training Applied to University Students on Dynamic Balance
    (INT JOURNAL APPLIED EXERCISE PHYSIOLOGY, 2020) Esen, H. Tolga; Gucluover, Aziz
    Introduction and purpose:The aim of this study was to investigate the effects of eight-week practice training on the dynamic balance performance of students taking the courses of Physical Education and Sport College. The sample of the study consisted of the core training experimental group (n = 14) who took the elective tennis lesson in the Department of Physical Education Teaching at the Karamanoglu Mehmetbey University School of Physical Education and Sports and the control group from the Sports Management department (n = 12) taking the elective tennis course.The changes in the dynamic balance performance of the participants after eight week core training applications were examined. Method: In addition to tennis lessons, core training was applied to experimental group 3 days a week for 8 weeks, the control group only participated in tennis lessons. Dynamic balance test measurements of the experimental and control groups were taken before and after the 8-week training program. Pre-test and post-test experimental method was used in the study. Findings:The normal distribution assumption of the data was checked using skewness-kurtosis and histogram. ANOVA test was applied for the mixed measurements of 2 (group) x 8 (direction). The error level (a) was accepted as 0.05 for all statistical methods. A significant difference was found between the pre-test and post-test values of both groups (F(4.37, 104.90)= 63.75, p<.05). The final test values of the groups in 8 directions increased significantly. In order to check whether there is a significant difference between the groups, in the analysis results no significant difference was found between the experimental and control groups (F (1, 24) =.20, p>.05). Result:As a result, a significant difference was observed in the pre and post test values of the experimental and control groups of 8 week core training applications. However, a positive effect on balance performance of participants taking tennis lessons was observed, too.