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Relationship between exercise time and musculoskeletal problems in children.

ABSTRACT: Objectives: The purpose of this study was to evaluate the relationship between exercise time and musculoskeletal problems and to determine the appropriate amount of exercise for children in both lower- and higher-grade levels of elementary and junior high schools. Materials and Methods: Mark-sheet-type questionnaires were distributed to and collected from all elementary and junior high schools in two cities. We collected 22,494 questionnaires in total. The relationship between exercise time and musculoskeletal problems was analyzed. The ?2 test and multivariate logistic regression analysis were used for statistical analyses. Results: The mean exercise time in school, in addition to physical education time, was 3.1 hours per week. In 56% of the children, the exercise time was less than 2 hours per week, and in 13% of the children, the exercise time was more than 10 hours per week. Although the rate of sports injury increased with an increase in exercise time, the duration of one-leg stand (a test of balance and muscle strength) also increased with an increase in exercise time. The cut-off values for sports injuries in boys/girls were 2.9/2.9 hours, 4.0/2.9 hours, and 7.5/4.2 hours in lower grade elementary school, higher grade elementary school, and junior high school, respectively. Conclusions: Although an appropriate amount of exercise improves one's physical health and ability, excessive exercise leads to musculoskeletal problems. Approximately 7 hours/week of exercise is recommended for junior high school students. In elementary school, the exercise time should be carefully decided as the musculoskeletal system of the students is still immature.

SUBMITTER: Tomaru Y

PROVIDER: S-EPMC6877929 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Relationship between exercise time and musculoskeletal problems in children.

Tomaru Yohei Y Kamada Hiroshi H Tsukagoshi Yuta Y Nakagawa Shogo S Onishi Mio M Tanaka Kenta K Takeuchi Ryoko R Mataki Yuki Y Miyakawa Shumpei S Yamazaki Masashi M

Journal of rural medicine : JRM 20191120 2

<b>Objectives:</b> The purpose of this study was to evaluate the relationship between exercise time and musculoskeletal problems and to determine the appropriate amount of exercise for children in both lower- and higher-grade levels of elementary and junior high schools. <b>Materials and Methods:</b> Mark-sheet-type questionnaires were distributed to and collected from all elementary and junior high schools in two cities. We collected 22,494 questionnaires in total. The relationship between exer ...[more]

PMID: 31788139

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Project description:Previous studies conducted mainly among adolescents have found associations between participation in sport organised leisure-time activities (OLTAs) and mental health problems (MHP). Fewer research studies have been performed to primary school-aged children and to organised non-sport OLTAs. Therefore, the objective is to examine whether there is an association between participation in sport and non-sport OLTAs and a high risk of MHP in 4- to 12-year-olds. Data were used on 5010 children from a cross-sectional population-based survey conducted between May and July 2018 in Rotterdam, the Netherlands. Associations between sport OLTAs, non-sport OLTAs and breadth of OLTAs and a high risk of MHP were explored using logistic regression models adjusting for sociodemographic characteristics, stressful life events and physical activity. Of all children, 58% participated in sport OLTAs and 22% in non-sport OLTAs. The proportion of children with high risk of MHP among participants in sport OLTAs is smaller than among non-participants (OR 0.66, 95% CI: 0.53, 0.81). The proportion of children with high risk of MHP among participants in non-sport OLTAs is smaller than among non-participants (OR 0.69, 95% CI: 0.53, 0.91). The proportion of children with a high risk of MHP among participants in 1 category of OLTAs (OR 0.61, 95% CI: 0.49, 0.76) and in 2-5 categories of OLTAs (OR 0.48, 95% CI: 0.32, 0.71) is smaller than among non-participants. Conclusion: The proportion of children with high risk of MHP among participants in OLTAs is smaller than among non-participants. What is Known: • Around 10--20% of children and adolescents experiences mental health problems. • Sport organised leisure-time activities have been found to be associated with a lower risk of mental health problems in adolescents. What is New: • The proportion of children with a high risk of mental health problems in participants in organised leisure-time activities is smaller than among non-participants. • The proportion of children with a high risk of mental health problems in participants with a higher breadth of organised leisure-time activities is smaller compared to non-participants.

Project description:BackgroundElimination disorders are highly prevalent in childhood and often associated with clinically relevant comorbid psychological disorders. The aim of this study is to determine if, and to what extent, children with elimination disorders show higher internalizing and externalizing problems than their healthy peers.MethodsA multistep literature search was performed from database inception until May 1st, 2022. PRISMA/MOOSE-compliant systematic review (PROSPERO: CRD42022303555) were used to identify studies reporting on internalizing and/or externalizing symptoms in children with an elimination disorder and a healthy control (HC) group. First, a systematic review was provided. Second, where data allowed for it, a quantitative meta-analysis with random effects model was conducted to analyze the differences between the elimination disorder and the HC groups for internalizing and externalizing symptoms. Effect size was standardized mean difference. Meta-regression analyses were conducted to examine the effect of sex, age, and study quality. Funnel plots were used to detect a publication bias. Where found, the trim and fill method was used to correct it.Results36 articles were included, 32 of them reporting on enuresis (n = 3244; mean age = 9.4; SD = 3.4; 43.84% female) and 7 of them on encopresis (n = 214; mean age = 8.6; SD = 2.3; 36.24% female). Children with an elimination disorder presented significantly lower self-concept (ES:0.42; 95%CI [0.08; 9.76]; p = 0.017) and higher symptom scores for thought problems (ES:-0.26; 95%CI: -0.43;-0.09]; p = 0.003), externalizing symptoms (ES: -0.20; 95%CI [-0.37;-0.03]; p = 0.020), attention problems (ES:-0.37; 95%CI [-0.51;-0.22]; p = 0.0001), aggressive behavior (ES:-0.33; 95%CI [-0.62;-0.04]; p = 0.025) and social problems (ES:-0.39; 95%CI [-0.58;-0.21]; p = 0.0001). Significant publication biases were found across several of the studied domains. No significant effect of sex, age or quality of the study score was found.ConclusionsChildren with an elimination disorder may have significant internalizing and externalizing problems, as well as impaired self-concept. It is recommendable to screen for them in children with enuresis or encopresis and provide appropriate interventions.

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Relationship between exercise time and musculoskeletal problems in children.

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Relationship between exercise time and musculoskeletal problems in children.

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