Effects of crossfit intervention on students’ physical fitness in physical education: A systematic review and meta-analysis

Han, Y. and Syed Ali, Syed Kamaruzaman and Ji, L. (2021) Effects of crossfit intervention on students’ physical fitness in physical education: A systematic review and meta-analysis. Journal of Physical Education and Sport, 21 (5). pp. 2585-2590. ISSN 2247-8051,

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Abstract

Problem statement: There are inconsistent views on the effects of CrossFit on students' physical fitness in physical education. Purpose: This study aimed to systematically review the existing literature concerning effects of CrossFit intervention on students in physical education through meta-analysis. Material: A total of 60 studies were identified and screened from 4 electronic databases (SCOPUS n = 22, Web of Science n = 9, PubMed n = 28, ScienceDirect n = 1). Methods: The systematic review followed PRISMA guidelines. The process of systematic review and meta-analysis was conducted based on the Cochrane Handbook and Review Manager Software (RevMan-5.4.1). The effect sizes with 95 confidence intervals were calculated using inverse variance and random effects analysis models. The heterogeneity was evaluated using the forest plot. Results: A total of 6 articles were included in the systematic review and meta-analysis. A total of 6 articles had a high level of evidence at low risk of bias in attrition and reporting. Previous studies on the effects of CrossFit on students' physical fitness in physical education reported on upper-body strength, lower-body power, core strength, change in BMI, cardiopulmonary function, and aerobic capacity. In the meta-analysis, the outcomes suggested that CrossFit significantly increased the performance of push-ups and handgrip. Positive effects on performance in pull-ups, squats, VO2max and shuttle runs were observed. There was a null effect in physical fitness test in core strength, standing long jump and BMI. Conclusion: This systematic review and meta-analysis show that CrossFit as a high-intensity functional and interval training program is a positive strategy for developing students’ physical quality and fitness in schools’ physical education courses, especially for developing upper-body strength. © JPES.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: High-intensity functional training; High-intensity interval training; Physical quality; School
Subjects: L Education > L Education (General)
L Education > LC Special aspects of education
Depositing User: Ms Zaharah Ramly
Date Deposited: 10 Oct 2023 04:38
Last Modified: 10 Oct 2023 04:38
URI: http://eprints.um.edu.my/id/eprint/35543

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