Razão isquiotibiais/quadríceps em praticantes de CrossFit®: um estudo transversal
Introduction: Crossfit® (CF) is an activity performed at high intensities and falls under the Extreme Conditioning Program. When not performed properly, it can lead to muscle imbalances, especially to agonists and antagonists. Therefore, it is necessary to evaluate this population. Objective: To ana...
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| Formato: | bachelorThesis |
| Idioma: | pt_BR |
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Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/35913 |
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| Resumo: | Introduction: Crossfit® (CF) is an activity performed at high intensities and falls under the Extreme Conditioning Program. When not performed properly, it can lead to muscle imbalances, especially to agonists and antagonists. Therefore, it is necessary to evaluate this population. Objective: To analyze the hamstring/quadriceps (H:Q) among CF practitioners of both sexes. Materials and methods: This is an observational cross-sectional study in which 18 CF practitioners underwent an isokinetic dynamometer with maximal, concentric contractions of knee flexion/extension at a speed of 60º/s in a single session. Descriptive analysis was performed by SPSS 20.0 through the Shapiro-Wilk test, independent T-test and Spearman correlation. The peak torque, hamstring/quadriceps ratio (H:Q) and CF practice time were expressed as mean and standard deviation, considering a significance level of 5% and a confidence interval of 95%. Results: The study presented an average H:Q ratio of 47.40% (± 5.93) and there was a statistical difference between the sexes (p <0.05). Conclusion: CF practitioners had average H:Q ratio lower than what is suggested in other studies (60%), leading to higher chances of injuries in this population. |
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