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Öğe THE EFFECT OF 8-WEEK PLYOMETRIC TRAINING ON LEG POWER, JUMP AND SPRINT PERFORMANCE IN FEMALE SOCCER PLAYERS(Lippincott Williams & Wilkins, 2014) Özbar, Nurper; Ateş, Seda; Agopyan, AniOzbar, N, Ates, S, and Agopyan, A. The effect of 8-week plyometric training on leg power, jump and sprint performance in female soccer players. J Strength Cond Res 28(10): 2888-2894, 2014The aim of this study was to determine the effect of 8-week plyometric training (PT) on the leg power and jump and sprint performance in female soccer players. Eighteen female soccer players from Women Second League (age = 18.2 +/- 2.3 years, height = 161.3 +/- 5.4 cm, body mass = 56.6 +/- 7.2 kg) were randomly assigned to control (n = 9) and plyometric (n = 9) groups. Both groups continued together with regular technical and tactical soccer training for 4 days a week. Additionally, the plyometric group underwent PT for 8 weeks, 1 day per week, 60-minute session duration. During the 8-week period, the control group was hindered from any additional conditioning training. All players' jumps (triple hop, countermovement jump, and standing broad jump), running speed (20 m), and peak power were evaluated before and after 8 weeks. No significant difference was found between the groups at pretest variables (p > 0.05). Significant improvements were found in the posttest of both the groups (p 0.05), except for 20-m sprint test in the control group (p > 0.05). Triple hop distance, countermovement jump, standing broad jump, peak power, and 20-m sprint test values were all significantly improved in the plyometric group, compared with the control group (p 0.05). We concluded that short duration PT is an improved important component of athletic performance in female soccer players. The results indicate that safe, effective, and alternative PT can be useful to strength and conditioning coaches, especially during competition season where less time is available for training.Öğe Effects of 8-Week Thera-Band Training on Spike Speed, Jump Height and Speed of Upper Limb Performance of Young Female Volleyball Players(Int Journal Applied Exercise Physiology, 2018) Agopyan, Ani; Özbar, Nurper; Özdemir, Seda NurIntroduction and objectives: Elastic resistance has been commonly used in the therapeutic and fitness setting. However, the effects of a strength training program using elastic resistance exercises to the explosive power and spike speed, which are very important elements for successful volleyball practice, has not been clearly demonstrated. Therefore, the aim of this study was to establish the effects of 8-week TheraBand training protocols on the development of spike speed, counter movement jump (CMJ) height, peak power and speed of upper limb performance of young female volleyball players. Methods: The participants consists of 20 competitive female volleyball players who regularly train at the same team and aged 15-17 years (age 16.2 +/- 0.7 years). All the players were tested for spike speed, CMJ height, peak power and speed of upper limb performances before and after 8-week training program. The players were divided into Thera-Band Training Group (TTG; n=10) and Control Group (CG; n=10). Both groups continued technical and tactical volleyball training together 3 days (120 min. d.-1) a week. Additionally, TTG attended Thera-Band training program through 8-week, 2 days per week and 2 sessions (60 min. d.-1). Results: The findings of the study showed significant change in CMJ height, peak power and spike speed at the end of 8-week. TTG significantly (p = .001) improved CMJ height, peak power and spike speed, whereas the CG showed significant changes only CMJ height and peak power (p = .05) at the end of 8week. The effect of resistance exercises was significantly higher as compared to the control group (p < .05). Results demonstrated that the TTG players showed greater improvements in CMJ height (d = 1.31, moderate effect size), and spiking speed (d = 2.93, large effect size) performance than CG. Conclusion: It can be concluded that supervised Thera-Band training contributed development of the performance of spike speed mostly and CMJ height and peak power of lower extremities in young female volleyball players. Due to its effectiveness on muscular performance, the Thera-Band training model can be recommended to the coaches and players in additional to the regular technical training.Öğe The Effects of Resistance and Aerobic Exercises on Adiponectin, Insulin Resistance, Lipid Profile and Body Composition in Adolescent Boys with Obesity(2020) Yetgin, Meral Küçük; Agopyan, Ani; Küçükler, Ferit Kerim; Gedikbaşı, Asuman; Yetgin, Soner; Kayapınar, Fatma Çelik; Çotuk, Hasan BirolIntroduction: This present study aimed to examine the effectsof long-term resistance exercise (REG) and aerobic exercise(AEG) on the adiponectin, insulin resistance, lipid profile andbody composition in adolescent boys with obesity.Methods: Sixteen obese adolescent boys (age: 16.81±0.91 years)who studied at high school in İstanbul voluntarily participatedin the study. The participants were randomly divided into twogroups of (REG; n=8) and (AEG; n=8). The participants followedtheir exercise schedule for six months (3 days/wk, 60 min/day).The serum lipid profile, adiponectin, glucose, insulin resistance(HOMA-IR) levels and body composition of the participantswere evaluated at the beginning and end of the study. AWilcoxon matched-pairs signed-rank test and Mann-WhitneyU test were used for analyses, and the criterion for statisticalsignificance was set at p<0.05.Results: HOMA-IR, insulin, glucose and serum lipid levelsdecreased in both groups (p<0.05). Adiponectin and highdensity lipoprotein increased only in the AEG (p<0.05). Lowdensity lipoprotein level was statistically decreased only in theREG (p<0.05).Conclusion: These results indicated that both types of exerciseshad positive effects on insulin resistance, per cent body fat,weight and fat-free body mass. Long-term (6 months) aerobicand REG had different positive effects on adiponectin and thelipid profile. Although the effects of long-term aerobic exerciseon biochemical parameters are higher than REG, it wasremarkable that REG proved to be an alternative model to AEG.Öğe Hareket Eğitimi Programının 4-6 Yaş Grubu Çocuklarda Vücut Kompozisyonu Üzerindeki Etkisinin İncelenmesi(2015) Özbar, Nurper; Mengütay, Sami; Agopyan, AniÇalışmamız, hareket eğitimi programının, 4-6 yaş grubu çocuklarda vücut kompozisyonunun gelişimine katkı sağlayıp sağlamadığını belirleyebilmek ve bu alanda yapılacak diğer çalışmalara ışık tutabilmek amacıyla yapılmıştır. Araştırmamıza 35'i çalışma, 35'i kontrol olmak üzere toplam 70 çocuk gönüllü olarak katılmıştır. Ailelerden ve okul yönetiminden çocukların çalışmaya katılabilmesi için yazılı onay alınmıştır. Çalışma grubuna 1 eğitim öğretim yılı boyunca haftada 3 gün 1'er saat süreyle hareket eğitimi programı uygulanırken, kontrol grubu günlük okul öncesi eğitim programına devam etmiştir. İstatistiksel analizler için SPSS 17.0 paket programı kullanılmıştır. Deney ve kontrol gruplarının kendi içlerindeki ön ve son test değerlendirmesi için eşleştirilmiş t testi, grupların minimal ve maksimal değerlerinin belirlenmesi için tanımlayıcı istatistik, gruplar arası karşılaştırma için bağımsız örneklem t testi kullanılmıştır.Yapılan istatistiksel analizler sonucunda; çalışma grubunun, ön-son test; vücut kompozisyonu, çap, çevre ve triceps deri kıvrım kalınlığı ölçüm değerlerinde (p0,01) düzeyinde, supscapula deri kıvrım kalınlığı ve beden kitle indeksi ölçüm değerlerinde ise (p0,05) düzeyinde anlamlı farklılık olduğu tespit edilmiştir. Biceps, chest, abdominal, suprailiak, thigh ve calf deri kıvrım kalınlığı ve %yağ değerlerinin ön ve son testleri arasında anlamlı fark bulunamamıştır (p0,05). Kontrol grubunun, ön-son test; vücut kompozisyonu, çap, çevre ve deri kıvrım kalınlığı ölçüm değerlerinde (p0,01) düzeyinde, triceps deri kıvrım kalınlığı ölçüm değerinde ise (p0,05) düzeyinde anlamlı farklılık olduğu tespit edilmiştir. Çalışma ve kontrol grubu arasındaki farka bakıldığında ise; boy, kulaç uzunluğu, oturma yüksekliği, önkol çevresi, biceps, triceps, chest, abdominal, suprailiak, thigh deri kıvrım kalınlığı ve %yağ, ölçümleri ortalamalarında, çalışma grubu lehine (p0,01) düzeyinde, diğer özelliklerde ise (p0,05) düzeyinde anlamlı farklılık olduğu tespit edilmiştir. Kilo; biacromial, biiliac, bitrochanter, göğüs, humerus ve femur çap, baş, omuz, göğüs, kalça, biceps, uyluk ve calf çevresi ölçümlerinde gruplar arasında anlamlılık tespit edilememiştir (p0,05)Öğe The influence of physical training modalities on basal metabolic rate and leptin on obese adolescent boys(Pakistan Medical Assoc, 2018) Yetgin, Meral Küçük; Agopyan, Ani; Küçükler, Ferit Kerim; Gedikbaşı, Asuman; Yetgin, Soner; Kayapınar, Fatma Çelik; Çotuk, Hasan BirolThe aim of this study was to investigate the effects of physical training modalities on basal metabolic rate, cardiovascular fitness and serum leptin level in obese adolescent boys. Sixteen obese adolescent boys (age: 16.81 +/- 0.91 years) were randomly assigned to either resistance (RTG) (n=8) or endurance (ETG) (n=8) training and followed the respective training programmes for six months (3 days/wk, 60 min/day). Leptin, basal metabolism rate (BMR), and maximum oxygen consumption (VO2max) were evaluated at the beginning and end of the intervention. After the training period, Leptin was decreased and VO2max was increased in both groups (p<0.05), whereas BMR was statistically increased only in ETG (p<0.05). These results indicated that both types of exercises had positive effects on cardiovascular fitness and hormonal control of fat metabolism in obese male adolescents. Resistance exercises should be considered as an alternative or supplementation to endurance exercises in youth obesity management.
