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Showing 2 results for Type of Study: Brief Report

İpek Yüksel, Canan Sercan, Sezgin Kapıcı, Betül Bıyık, Tugba Kaman, Korkut Ulucan,
year 6, Issue 3 (10-2018)
Abstract

Background. The determination of the genetic endowment of athletic performance in sports is an important step in developing personal training sessions or nutritional supplements for success in sports. Information about the genetic parameters responsible for these metabolisms will help sport’s scientist to develop new insights for better performance. Muscle metabolism is one of the key points in better personal athletic performance.
Objectives. The aim of this study is to analyze the distribution of the methylenetetrahydrofolate reductase enzyme (MTHFR) rs1801133 (C677T) genotype and allele distribution in a Turkish professional cyclist cohort.
Methods. There were 25 Turkish cyclists enrolled in the study. Peripheral blood used for DNA isolation and the conventional polymerase chain
reaction- restriction fragment length polymorphism (PCR- RFLP) methodology were used for genotyping.
Results. There were 14 (56%), 10 (40%) and 1 (4%) cyclist who had CC, CT, and TT genotypes, respectively. C allele was counted as 38 (76%), and T alleles as 12 (24%). 9 (50%) of the male cyclist had CC, 8 (44.4%) had CT and only 1 had TT (5.6%) genotypes. C allele was counted as 26 (72.2%), and the T allele as 10 (27.8%)
in the male cyclists. In the females, the respective genotypes for CC and CT were 5 (71.4%) and 2 (28.6%). C allele was counted as 12 (85.7%) and T allele as 2 (14.3%).
Conclusion. In our cohort, both of the two genders, the CC genotype 
and C allele were found to be higher when compared to the other genotypes and T allele. Larger prospective studies focusing on the influence of MTHFR rs1801133 polymorphism in athletic performance are required for confirmation of our findings.

Ingunn Unnsteinsdottir Kristensen, Hafrún Kristjánsdóttir, María K. Jónsdóttir,
year 9, Issue 4 (12-2021)
Abstract

Background. Increasingly, women are training and competing in mixed martial arts (MMA). Women are, however, hugely underrepresented in the research literature.
Objectives. The purpose of this brief report was to assess concussion knowledge, mental health and attention-related errors among female MMA competitors and factors that might affect data quality when doing a study during a competition.
Methods. Forty-one athletes participated at different stages (mean age 25.2±.5). Pre-fight, participants were asked about their concussion history, both before and after being given a definition. They answered questions about MMA background and completed the Patient Health Questionnaire-9, the General Anxiety Disorder Questionnaire-7, the Depression, Anxiety, and Stress Scale-21, the Sports Concussion Assessment Tool-5 (also completed post-fight), and the Sustained Attention Response Task. Two weeks later, competitors were asked to answer mental health questionnaires and the concussion symptom scale again.
Results. Mean years in MMA were 7.3±5.5. Before reading a concussion definition, 16.7% reported a concussion history, 30.6% reported a concussion history after reading the definition. The error score on the attention response task was 12.12±6.55. Pre-fight, the SCAT5 score was 9.0±8.6, post-fight it was 9.1±6.8, and two weeks later, 7.3±11.2. Scores on mental health scales were between 3.9-5.9±3.7-4.6 pre-fight and between 4.3-6.1±5.9-10 two weeks later.
Conclusion. The change in concussion reporting indicates a lack of knowledge; scores on symptoms scales and attention test did not indicate problems. Factors affecting side-line evaluation included coaches' willingness to participate and the athletes' emotional state. Significant limitations of this study included possible language barriers. Therefore, results should be interpreted with caution.


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