Tanaka Chiaki, Hikihara Yuki, Ohkawara Kazunori, Tanaka Shigeho
Division of Integrated Sciences, J.F. Oberlin University, Tokyo, Japan.
Pediatr Exerc Sci. 2012 Aug;24(3):420-34. doi: 10.1123/pes.24.3.420.
This study examined the potential relationship between participation in physical activity (PA) assessed by triaxial accelerometry and physical fitness testing, including health-related and skill-related parameters of fitness, in 136 Japanese preschoolers (65 girls and 71 boys, 5.5 ± 0.6 years). In partial correlation analyses, grip strength and 20m shuttle run test were positively correlated with time spent in physical activity ratio (PAR) ≥ 4. Better scores on standing long jump distance and jump over and crawl under tests were associated with lower sedentary time and greater moderate-to-vigorous PA time and PAR ≥ 4 time, and increased physical activity level. Moreover, 25m run speed was positively correlated with time spent in PAR ≥ 4 and locomotive activity. These findings suggest that development of both health-related (muscle strength and aerobic fitness) and skill-related fitness (power, agility and speed) may make engagement in PA easier for preschool children, although further research on the cause-effect relationship is needed.
本研究调查了136名日本学龄前儿童（65名女孩和71名男孩，5.5±0.6岁）通过三轴加速度计评估的身体活动（PA）参与情况与体能测试之间的潜在关系，体能测试包括与健康相关和与技能相关的体能参数。在偏相关分析中，握力和20米穿梭跑测试与身体活动比率（PAR）≥4时所花费的时间呈正相关。立定跳远距离以及跨越和匍匐测试得分越高，久坐时间越短，中度至剧烈身体活动时间和PAR≥4的时间越长，身体活动水平越高。此外，25米跑步速度与PAR≥4时所花费的时间以及 locomotive activity呈正相关。这些发现表明，与健康相关的体能（肌肉力量和有氧适能）以及与技能相关的体能（力量、敏捷性和速度）的发展可能会使学龄前儿童更容易参与身体活动，不过仍需对因果关系进行进一步研究。
