Abstract
Physical activity (PA) promotion is beneficial to gain and maintain optimal health, but might increase risks for physical activity-related injury (PARI). This cross-sectional study aimed to investigate the incidence rate and identify risk factors of PARI among Chinese middle school students. Selected via the method of cluster random sampling, students graded 7–8 (junior) and 10–11 (senior) from five middle schools (aged from 10 to 18 years old) in Shantou were invited to participate in the survey. Information on socio-demography, PA involvement, sleep duration, individual safety awareness and exercise behavior, and PARI experiences in the past 12 month was collected. Multivariate logistic regression model was performed to estimate the risk factors of PARI. A total of 3082 participants completed the valid questionnaires, with an overall incidence rate of 25.1%. Boys, junior school students, sports team members, and those with lower safety awareness, living with single parent, and without any chronic conditions were at higher risks for PARI. Moreover, exercising on wet floor or with illness frequently would also be more likely to experience injury, especially those with at least 120 min per day. In conclusion, PARI was prevalent among middle school students in southern China. The above data provide insights that were focused and effective actions should be taken to prevent school-aged adolescents from PARI and maximize the benefits of PA.
Highlights
The health benefits of regular physical activity (PA) participation, including muscular fitness, bone health, as well as decreased morbidity and mortality, have been firmly established [1,2,3,4]
Less than 40% (38.0%) of participants were physically active according to the World Health Organization (WHO) recommendations on PA for youths [8], engagement in moderate- to vigorous-intensity PA (MVPA) with different duration would significantly differ in injury experience (Table 1)
Similar with other research [28], our results showed that the majority experienced a withdrawal time from PA due to the injuries, suggesting that effective injury-prevention measures should be implemented to reduce physical activity-related injury (PARI) among school-aged students who were recommended to participate in MVPA at least one hour per day
Summary
The health benefits of regular physical activity (PA) participation, including muscular fitness, bone health, as well as decreased morbidity and mortality, have been firmly established [1,2,3,4]. Knowledge of these advantages of PA has led almost all countries and regions, including China, to involve in the current global campaign to promote PA [5,6,7]. PARI contributes primarily to non-fatal injury, which ranks as the top one health threat to school-aged adolescents in many countries [10,11,12]. In addition to the significant financial costs, these injuries could cause other indirect burden, such as future
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