Longitudinal Associations Between Physical Activity and Sedentary Time and Cardiorespiratory and Muscular Fitness in Preschoolers.

IF 2.6 Q1 SPORT SCIENCES Journal of Functional Morphology and Kinesiology Pub Date : 2024-10-21 DOI:10.3390/jfmk9040199
Kirkke Reisberg, Eva-Maria Riso, Liina Animägi, Jaak Jürimäe
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Abstract

Background/Objectives: The impact of physical activity (PA) and sedentary time (ST) during preschool years on the physical fitness (PF) levels of school-aged children remains unaddressed. This study aimed to investigate the associations of objectively measured vigorous physical activity (VPA), moderate-to-vigorous physical activity (MVPA), total physical activity (TPA), and ST in the last year of preschool (age of 6-7 years; n = 77; 51% boys) with cardiorespiratory fitness (CRF) and muscular fitness (MF) in the first grade of school among Estonian children. Methods: We assessed PA (accelerometers), CRF (20 m shuttle run), and MF (z-score of relative upper- and lower-limb muscular strength). Results: In the unadjusted analysis, higher VPA, MVPA, and TPA in preschool were associated with a higher MF in school among boys, while a higher VPA in preschool was related to a higher CRF in school among girls. However, VPA, MVPA, TPA, and ST in preschool were unrelated to CRF and MF among boys and girls after adjustment for baseline age, accelerometer wear time, the corresponding PF item, and parent's education. In addition, a higher PF level in preschool was frequently related to a higher corresponding PF item in school among both genders. Conclusions: Moderate-to-vigorous and vigorous type of activities during final year of preschool, as well the amount of TPA that preschoolers are involved in, are not sufficient to affect their CRF and MF longitudinally. In addition, ST in preschool did not impact the CRF and MF of boys and girls in the first grade.

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学龄前儿童体力活动和久坐时间与心肺功能和肌肉健康之间的纵向关系。
背景/目的:学龄前儿童的体力活动(PA)和久坐时间(ST)对其体能(PF)水平的影响仍未得到解决。本研究旨在调查学龄前最后一年(6-7 岁;n = 77;51% 为男孩)客观测量的剧烈运动(VPA)、中到剧烈运动(MVPA)、总运动量(TPA)和久坐时间与爱沙尼亚儿童一年级时的心肺功能(CRF)和肌肉功能(MF)之间的关系。方法:我们评估了 PA(加速度计)、CRF(20 米往返跑)和 MF(相对上下肢肌肉力量的 Z 值)。结果:在未经调整的分析中,PA(加速度计在未经调整的分析中,学龄前较高的 VPA、MVPA 和 TPA 与男孩在校较高的 MF 有关,而学龄前较高的 VPA 与女孩在校较高的 CRF 有关。然而,在对基线年龄、加速度计佩戴时间、相应的 PF 项目和父母教育程度进行调整后,学龄前的 VPA、MVPA、TPA 和 ST 与男孩和女孩的 CRF 和 MF 无关。此外,在学龄前,较高的 PF 水平往往与较高的学校相应 PF 项目有关。结论学龄前最后一年的中强度和高强度活动以及学龄前儿童参与 TPA 的数量不足以对其 CRF 和 MF 产生纵向影响。此外,学龄前 ST 对一年级男生和女生的 CRF 和 MF 没有影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Functional Morphology and Kinesiology
Journal of Functional Morphology and Kinesiology Health Professions-Physical Therapy, Sports Therapy and Rehabilitation
CiteScore
4.20
自引率
0.00%
发文量
94
审稿时长
12 weeks
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