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    A Thirty-Minute Nap Enhances Performance in Running-Based Anaerobic Sprint Tests during and after Ramadan Observance
    (Mdpi, 2022) Yagin, Fatma Hilal; Eken, Ozgur; Bayer, Ramazan; Salcman, Vaclav; Gabrys, Tomasz; Koc, Hurmuz; Yagin, Burak
    The purpose of this study was to determine the impact of a 30 min nap (N30) on the Running-Based Anaerobic Sprint Test (RAST) both during and after Ramadan. Ten physically active kickboxers (age: 21.20 +/- 1.61 years, height: 174.80 +/- 4.34 cm, body mass: 73.30 +/- 7.10 kg and body mass index (BMI): 24.00 +/- 2.21 kg/m(2)) voluntarily performed the RAST test after an N30 and in a no-nap condition (NN) during two experimental periods: the last ten days of Ramadan (DR) and similar to 3 weeks after Ramadan (AR). During each DR-NN, DR-N30, AR-NN and AR-N30 protocol, kickboxers performed RAST performance. A statistically significant difference was found between Ramadan periods (DR vs. AR) in terms of max power (W) (F = 80.93; p(1) < 0.001; eta(2)(p) = 0.89), minimum power (W) (F = 49.05; p(1) < 0.001; eta(2)(p) = 0.84), average power (W) (F = 83.79; p(1) < 0.001; eta(2)(p) = 0.90) and fatigue index (%) results (F = 11.25; p(1) = 0.008; eta(2)(p) = 0.55). In addition, the nap factor was statistically significant in terms of the max power (W) (F = 81.89; p(2) < 0.001; eta(2)(p) = 0.90), minimum power (W) (F = 80.37; p(2) < 0.001; eta(2)(p) = 0.89), average power (W) (F = 108.41; p(2) < 0.001; eta(2)(p) = 0.92) and fatigue index (%) results (F = 16.14; p(2) = 0.003; eta(2)(p) = 0.64). Taking a daytime nap benefits subsequent performance in RAST. The benefits of napping were greater after an N30 opportunity for DR and AR.
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    ANALYSIS OF SOME PERFORMANCE PARAMETERS OF FENCER ACCORDING TO GENDER AND AGE
    (Univ Ljubljana, Fac Sport, 2019) Sahin, Gulsah; Koc, Hurmuz; Baydemir, Baris; Abanoz, Hasan; Coskun, Ali; Gunar, Bilgetekin Burak
    The aim of this research was to examine the differences in agility, flexibility, aerobic capacity, vertical jump and vertical anaerobic power according to age and sex in children and young fencers. 76 children and young fencing athletes from 9-17 years (girl:30 and boy:46) who camped in Dardanos campus of Canakkale Onsekiz Mart University participated in the research. The measurements and tests were conducted by the Sports Science and Athlete Health Research and Application Center. Length and weight measurements, BMI calculation, T-test for agility, Yo-Yo IR1 test and shuttle running test for aerobic capacity, maxVO(2) calculation equations, vertical jump test, anaerobic vertical power calculation, sit and reach test for flexibility were used in the study. ANOVA to determine the difference between age groups, t test for gender comparison was used. The level of significance was accepted as p < 0,05. As a result of the research, maxVO(2), elasticity, vertical jump and anaerobic vertical power parameters were found significant different between age groups (p<0,05). Accordingly, it was found that the flexibility of girls was significantly higher than boys (p<0,05). However, there was no found significant difference between girls and boys in VO(2)max, vertical jump, anaerobic vertical power and T test parameters (p>0,05). Vertical jump distance, vertical power, maxVO(2), and agility are similar in boys and girls. Flexibility in girls is better than boys. Differences in performance can be seen among age groups.
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    THE EFFECT OF AEROBIC EXERCISES ON THE PHYSICAL AND PSYCHOLOGICAL CONDITIONS OF MOTHERS OF CHILDREN WITH CEREBRAL PALSY
    (Univ Ljubljana, 2022) Yeniay, Sibel; Atar, Ozdemir; Ozen, Gokmen; Koc, Hurmuz
    The aim of study is to examine the physical and psychological effects of aerobic exercises applied to mothers of children with CP. The study was conducted with 27 mothers of children with CP and diagnosed with Spastic Quadriplegia. During exercises, muscular strength, muscular endurance, flexibility and cardiac exercises were applied. The SF-36 Quality of Life Scale was used to obtain health-related data. In order to measure muscle strength, manual muscle test and dynamometer measurements were used. Before and after the exercises, which were held three days a week for 8 weeks, measurements were made. T-test for dependent groups was performed in order to identify the difference between measurements. According to SF-36 Quality of Life Scale, significant differences were observed in terms of the variables of physical function, physical role difficulty, pain, vitality, social functionality, mental health, emotional role difficulty, and perception of general health (p < 0.05). Moreover, it was determined that the difference between the variables of the leg, back and left-hand grip was significant p < 0.05, but the difference in the measurement of the right-hand grip was not significant (p > 0.05). When the pretest and posttest scores obtained from the manual muscle test were compared, significant differences were determined in right arm supination, left arm supination, right arm pronation, and left arm pronation (p < 0.05). It was determined that various exercises performed had positive effects in terms of eliminating functional deficiencies, alleviating pain, socialization, and beck health in individuals who experienced problems related to physical and psychological health.
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    THE EFFECT OF MODERATE EXERCISE ON ERYTHROCYTE BLOOD PARAMETERS IN ALLOGENIC BONE MARROW TRANSPLANT PATIENTS
    (Univ Ljubljana, Fac Sport, 2018) Karakus, Mustafa; Koc, Hurmuz
    In this study, we investigated the effects of moderate exercise on the erythrocyte blood parameters in patients receiving the treatment of allogeneic bone marrow transplant. 20 patients attended the study voluntarily during the period of allogeneic bone marrow transplant. The volunteers were divided into two groups (treatment and control group). The treatment group was given moderate exercise program five days a week for eight weeks under the supervision of a doctor in charge. Subjects in the control group did not participate in any exercise program. By using Siemens advia 2120 blood count device at Hematology Central Laboratory, erythrocyte (RBC; Red Blood Cell) blood cell analysis was done. In comparing groups statistically, two-way analysis of variance was used in iterative measurements. In comparing the groups according to the measurements within themselves, one-way analysis of variance was used in iterative measurements. According to results of our study, there is no significant difference in comparisons of the variables belonging to erythrocyte parameters between-groups when the group effect is thought as independent (p>0.05). After the exercise given to the control and treatment groups, when the effect of time was taken into consideration, a statistically significant difference occurred according to the result of the comparison of iterative measurements of the variables of RBC, HGB, HCT, MCV, MCHC, RDW and HDW. As a result, it was seen that exercises had a positive effect on erythrocyte blood parameters. It is thought that this effect arose from the exercise program.
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    The effect of pre-season football training on hematological parameters of well-trained young male football players
    (Iermakov S S, 2020) Ozen, Gokmen; Atar, Ozdermir; Yurdakul, Huseyin O.; Pehlivan, Bayram; Koc, Hurmuz
    Purpose: The purpose of this study was to examine the effect of metabolic stress created by 6-week football training applied in the pre-season period on circulation and hematological parameters of well-trained male football players. Material: Fourteen male football players who competed in the U19 category of a football team in Turkish Football Super League participated in the study voluntarily. In the study, players'systolic - diastolic blood pressures and resting heart rates were measured and their blood samples were taken before and after the 6-week training period. Laboratory analysis was made to determine counts and concentration percentage of erythrocyte, leukocyte, and platelet sub-parameters. Wilcoxon Signed-Rank test was performed to determine the difference between pre and post measurements. Results: Our findings indicated that baseline mean values of lymphocyte, mean cell hemoglobin, and mean corpuscular hemoglobin concentration were significantly higher than posttest mean values. The mean of diastolic blood pressure and resting heart rate measured before the preseason training camp were lower than their posttest mean values (p >.05). Conclusions: It is thought that the decrease in the mean values of diastolic blood pressure and resting heart rate caused by the effect of regular training during the preseason training period, while the increase in the mean values of mean cell haemoglobin and mean corpuscular haemoglobin concentration caused by the increased oxygen demand of the metabolism during the training period.
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    The effect of resistance exercises performed at home on swimming performance of adolescent swimmers during the covid-19 pandemic period
    (Univ Antioquia, Inst Univ Educacion Fisica & Deporte, 2022) Umay, Busra; Atar, Ozdemir; Koc, Hurmuz
    Aim: to examine the effect of resistance exercises performed at home on swimming performance in adolescent swimmers during the COVID-19 pandemic period. Method: a total of 114 adolescent swimmers aged between 10-17 years, (N=66) male and (N= 48) female, performing at the Turkish Olympic Preparation Center (TOHM) participated in the research voluntarily. The research was designed as a quasi-experimental study, since there was no control group. The resistance exercise program, which was performed at home for 8 weeks during the pandemic period, was applied for the athletes participating in the research through video conference method and by expert swimming trainers. The pre-test swimming degrees of the athletes were requested from the institution with the archive scanning method, and the post-test values were taken by the expert swimming trainer after the applied training program. To determine the effect of the applied training program, 50m, 100m, 200m and 400m swimming degrees of the athletes were determined in the pool environment with the Castimolap D-308 hand chronometer. The data obtained as a result of measurement, calculation and tests in the research were analyzed in the SPSS 22.00 statistical analysis software. Paired-Samples T test was applied to determine the difference between pretest and posttest in the statistical analysis. The significance level was accepted as p < 0.05. Results: as a result of the statistical analysis, a statistically significant difference was determined between the freestyle swimming degrees (50-100-200-400m) pre-test and post-test values of the athletes. Conclusion: our results demonstrated that resistance exercises performed at home did not have a positive effect on swimming performance. In this respect, it is very important for the athletes in the swimming performance group to train in the pool environment in order to maintain and improve their performance.
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    The Effects of A 6-Week Plyometric Training Programme on Sand Versus Wooden Parquet Surfaces on the Physical Performance Parameters of Well-Trained Young Basketball Players
    (Montenegrin Sports Acad, 2020) Ozen, Gokmen; Atar, Ozdemir; Koc, Hurmuz
    The purpose of this study was to investigate the effect of plyometric training on sand and wooden parquet training surfaces on the physical performance parameters of young male basketball players. Twelve well-trained young male basketball players with age 17.58 +/- 0.5 years, body mass 87.73 +/- 9.82 kg, and height 193.75 +/- 7.02 cm were voluntarily involved in the study. All participants were grouped randomly as sand and wooden training groups. A six-week plyometric training programme was performed on the sand and wooden parquet surfaces. Anthropometric measurements and physical performance tests; vertical and standing long jump, box agility, and 30m sprint tests were performed. Data were collected before and after six weeks of plyometric training and were analysed using ANCOVA. The results indicated that the plyometric training programme significantly improved jumping, agility and 30m sprint performance for both groups. Significant differences were found between the post-test mean values of two groups in the box-drill agility and 30m sprint test scores (p < .05). The results of this study suggest that while the plyometric training performed on a wooden or sand surface does not cause a different effect on the improvement of jumping performance, plyometric training on the sand surface may be a more effective training surface to improve the agility and sprint performance of young players.
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    THE RELATIONSHIP BETWEEN AEROBIC CAPACITY AND MATCH PERFORMANCE IN TEAM-HANDBALL
    (Univ Ljubljana, Fac Sport, 2017) Tosun, Gulsen Tunc; Koc, Hurmuz; Ozen, Gokmen
    The aim of this research was to determine the relationship between aerobic capacity and match performance of elite handball players. A total of 12 male handball players who competed in the male super league had participated in the study as volunteers. The participants' mean age was 25.25 +/- 2.76 years, height was 188.3 +/- 4.8 cm and weight was 90.00 +/- 6.22. All participants had a training experience over 7 years. For measuring aerobic capacity, the Cooper 12-minute run-walk test was performed. To determine the match performance of players, Performance Appraisal Inventory in Handball developed by Ulrich was used. Study results show that there was a relationship between aerobic capacity and match performance of participating handball players. Our findings indicated that athletes with high positive score have higher match performance and aerobic capacity. As a result, aerobic capacity may use as a predictor of the match performance in team-handball.