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European Journal of Physical Education and Sport Science ISSN: 2501 - 1235 ISSN-L: 2501 - 1235 Available on-line at: www.oapub.org/edu Volume 3 │ Issue 11 │ 2017 doi: 10.5281/zenodo.1011098 AN INVESTIGATION OF THE EFFECTS OF RAPID WEIGHT LOSS ON OVERALL STRENGTH IN 17- AND 18-YEAR-OLD MALE WRESTLERS H. Bayram Temur1i*, Muzaffer Selçuk1, Salih Öner2, Muhammed Emre Karaman2 Y(z(nc(Yıl University Physical Education and 1 Sports College, Van, Turkey Fırat University Sports Sciences Faculty, 2 Elazig, Turkey Abstract: Introduction and Objective: The goal of this study is to examine the effects of rapid weight loss on the overall strength of young male wrestlers. Methods: The study participants consisted of wrestlers aged 17-18 who competed in group competitions held in 5 cities in Turkey between March 31 st and April 2nd, 2017. The participants included 6 Greco-Roman wrestlers in group competitions in Elazığ and 7 free-style wrestlers, for a total of 13 wrestlers. The first set of measurements of the athletes was taken 2 weeks before the competition, and the second set of measurements was made 1 day prior to competing. The measurements taken were weight, right and left hand grip strength, back strength, leg strength, vertical jump height, and the Cooper test. The statistical package program SPSS 17 was used to analyze the data. A value of p < .05 was considered statistically significant. Results: Among the wrestlers participating in the study, significant differences were observed in weight, vertical jump height, back strength, leg strength, and the Cooper test results when compared to the pre-study measurements (p < .05). For vertical jump height, the average of the first measurement was 32.92 and that of the second measurement was 31.07, resulting in a statistically significant difference (p < .05). The difference in averages for the Cooper test was also statistically significant, with an average of 2646.1 obtained for the first test and 2467.6 for the second test (p < .05). Copyright © The Author(s). All Rights Reserved. © 2015 – 2017 Open Access Publishing Group 83 H. Bayram Temur, Muzaffer Selçuk, Salih Öner, Muhammed Emre Karaman AN INVESTIGATION OF THE EFFECTS OF RAPID WEIGHT LOSS ON OVERALL STRENGTH IN 17- AND 18-YEAR-OLD MALE WRESTLERS Conclusion: Rapid weight loss in wrestlers has an adverse effect on their overall strength, as determined using several parameters. Keywords: wrestling, strength, anaerobic, aerobic 1. Introduction Wrestling is the struggle between two evenly-matched opponents to pin each other’s back to the floor or achieve technical superiority, using all of their physiological and psychological strength, without the use of any implement or tool, within a given timeframe and in a designated area (Açak, 2005). In other words, wrestling is the struggle between two people using various methods to pin each other’s back to the floor. According to Cemal Alpman, because wrestling is an activity which uses of all parts of the body as well as courage, reflexes, skill, endurance, and strength, it is a competitive sport which requires that training be started at an early age in order to be prepared Avcuoğulları, 99 . Wrestling is defined as a branch of sport where aerobic and anaerobic environments are used together, in which performance is affect by such factors as speed, strength, quickness, flexibility, balance, muscularity, and cardiovascular endurance (Alpay, 2000). For this aspect, athletic performance that like wrestling performance depend on weight loss is affected by reaction time (Pancar et al., 2016), endocrine system (Pancar et al., 2017), cardiorespiratory system (Özdal, 2017; Özdal et al., 2017), life style (Çinar et al., 2016). Weight loss is an integral component of every competitive sport in which athletes of the same weight are grouped in classes. Athletes who weigh less or have lower levels of body fat possess an advantage; therefore, wrestlers lose weight in order to achieve greater success and perform at the highest level, thus maximizing the benefits afforded by their training (Menderes et al., , Sarıkaya et al, 6. In order to qualify for a lower weight class (3-9 kg on average), especially during periods of development, wrestlers employ various methods. The physiological and health outcomes of such actions are to a certain extent clear. What is critical to be aware of is the negative effect of rapid weight loss on wrestlers’ aerobic performance Sarıkaya et al, 2016). The present study aimed to investigate the effects of rapid weight loss on the overall strength of 17-18-year-old wrestlers. For viewing / downloading the full article, please access the following link: https://oapub.org/edu/index.php/ejep/article/view/1098 European Journal of Physical Education and Sport Science - Volume 3 │ Issue 11 │ 2017 84