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Öğe Comparison of balance skills of visually impaired and non-impaired judo athletes and goalball/futsal players(Natl Olympic Committee Ukraine, Kharkov Regional Branch, 2018) Aras, D.; Guler, O.; Gulu, M.; Akca, F.; Arslan, E.; Akalan, C.Purpose: In order to sustain the performance in sport, it is necessary to constantly struggle with the factors which disrupt balance, and maintain the desired balance. The purpose of the present study is to compare and demonstrate the effects of sight grade on static and dynamic balance, and fall risk parameters in visually impaired and non-impaired judo athletes and goalball/futsal players. Material: A total of 26 male athletes (13 Judo, 13 Goalball/Futsal) participated in the study voluntarily. The participants performed two balance tests as Overall Stability Test and Fall Risk Test with the eyes open and eyes closed. The parameters observed were static and dynamic overall stability, anterior-posterior, and medial-lateral index, and fall risk. Results: According to the findings, there were significant differences in all the parameters with the eyes open and eyes closed conditions in visually non-impaired athletes regardless of the sport branch, while visually impaired athletes showed no significant difference. However, more loss of balance was observed in all the parameters for visually impaired athletes. Conclusions: These findings show that visual system has a crucial role on balance, and athletes with visually impaired have more advanced vestibular system and proprioceptive senses to maintain their balance. It was also understood that visually non-impaired athletes tend to show more deteriorated balance level when their eyes were closed. Future studies could examine the vestibular and proprioceptive senses besides visual system to provide information about how balance is affected from other systems.Öğe Effect of short-term aerobic and combined training program on body composition, lipids profile and psychological health in premenopausal women(Elsevier France-Editions Scientifiques Medicales Elsevier, 2017) Arslan, E.; Can, S.; Demirkan, E.Purpose. The purpose of this study was to investigate the effect of short-term (eight weeks) aerobic and combined training program on the body composition, lipids profile and psychological health (depression), and to compare which training method is more effective in middle-aged premenopausal sedentary women. Methods. Sixty-four women aged 35-45 years (age = 38.8 +/- 3.0 years) were divided into three groups: Aerobic training, Combined training and the control group and women exercised during eight weeks. The subjects' body composition was measured with anthropometric tape and skinfold caliper and also body fat percentage, fat mass and lean body mass were estimated using BIA. Total cholesterol, triglyceride, high-density lipoprotein, low-density lipoprotein and also Beck Depression Inventory scores were registered at before and after eight weeks training. Results. Aerobic training and combined training showed significant differences in fat percentage (-2.6%Delta, -4.2%Delta, and -0.2%Delta, P=0.044 respectively) and fat mass (-5.5%Delta., -5.7%Delta, and -1.1%Delta, P=0.034 respectively) compared to the control group. Considering the waist circumference, there was a significant difference only between the combined training and control group (-1.3%Delta, -2.6%Delta, and -0.5%Delta, P=0.048 respectively). Aerobic training and combined training groups showed significant differences in total cholesterol (-7.9%Delta, -9.7%Delta, and -0.9%Delta, P=0.022 respectively), triglyceride (-5.8%Delta, -6.9%Delta, and -2.0%Delta, respectively, P=0.012), atherogenic index (-13.5%Delta, -16.0%Delta, and -2.3%Delta, P=0.000 respectively) and Beck Depression Inventory score (-26.2%Delta, -24.7%Delta, and -8.7%Delta, P=0.047 respectively) compared to the control group. Conclusion. The results of this study suggest that both training methods could be used for loosing body weight, fat mass and fat percentage for middle-aged women. Although the combined training seems a little more efficient, aerobic training is also practically easier in order to control and, maintain in a large scale training groups. (C) 2017 Elsevier Masson SAS. All rights reserved.Öğe Effects of different stretching methods on speed and agility performance in young tennis players(Elsevier France-Editions Scientifiques Medicales Elsevier, 2019) Kilit, B.; Arslan, E.; Soylu, Y.Purpose. - The purpose of this study was to investigate the acute effect of different stretching methods on speed and agility performance in young tennis players according to conditioning level. Methods. - Twenty-six young tennis players participated in this study voluntarily. Stretching methods were divided into five groups: static, dynamic, static + dynamic, dynamic + static, and control (no-stretching). The protocols included 8-min warm-up, a 3-min rest, 30-s stretching program (except for the no-stretching group), a 2-min rest, followed by the T-drill agility and 20-m sprint (with 10-m split times) test. Stretching protocols consisted of 6 different stretching exercises for 6 lower muscle groups. Results. - Dynamic and static + dynamic stretching methods induced significant differences in the 10-m acceleration, 20-m sprint and agility test time compared with static and static + dynamic stretching protocols (P < 0.05). Dynamic and no-stretching methods also showed significant difference between good and moderate performers compared with static, static + dynamic and dynamic + static stretching protocols (P < 0.05). Conclusion. - We concluded that the acute effect of static stretching had a negative effect on agility and sprint performances. This study suggest that dynamic and static + dynamic stretching might be use for the performing better performance in acceleration, speed and agility skills during the warm-up session in young tennis players. (C) 2018 Elsevier Masson SAS. All rights reserved.
