Fuentes Diaz Maria Fernanda, Sénéchal Martin, Bouchard Danielle R
Faculty of Kinesiology, University of New Brunswick, 90 Mackay Drive, Fredericton, NB E3B 5A3, Canada.
Cardiometabolic Exercise and Lifestyle Laboratory, 90 Mackay Drive, Fredericton, NB E3B 5A3, Canada.
Children (Basel). 2024 Jul 7;11(7):828. doi: 10.3390/children11070828.
BACKGROUND/OBJECTIVES: It is believed that outdoor play structures lead to more physical activity for kids during school recess. However, the intensity of this activity remains unknown. This study explored whether access to outdoor play structures during recess interferes with children's physical activity levels.
Forty-one children (8-10 years old) accessed play structures during the afternoon recess but not in the morning for one entire week. To control for temperature differences, the same number of participants from another school who did not access playground structures were invited to participate. Moderate to Vigorous Physical Activity (MVPA) was determined using heart rate reserve. Heart rate was recorded using the Fitbit Inspire 2 (San Francisco, CA, USA) for at least three full school days. Wilcoxon signed-rank and Mann-Whitney U tests analyzed within- and between-group differences.
The findings show no difference in MVPA when accessing or not accessing outdoor play structures, both within groups [(n = 37) median (25th-75th) 16 min (7-30) vs. 14 min (5-22)] and between groups [(n = 22) 16 min (7-26)]. The weekly MVPA for all participants (n = 59) [172 min (117-282)] was the strongest variable associated with MVPA during recess [t(df) = 5.40 (38), 95% CI 0.04-0.09, < 0.001].
accessibility to outdoor play structures does not increase MVPA during recess in children aged 8 to 10. Therefore, schools may need various options for children to play during recess, allowing them to accumulate MVPA.
背景/目的：人们认为户外游乐设施能让孩子们在学校课间休息时进行更多体育活动。然而，这种活动的强度仍不明确。本研究探讨了课间休息时使用户外游乐设施是否会影响儿童的身体活动水平。
41名8至10岁的儿童在整个一周的下午课间休息时使用游乐设施，但上午不使用。为控制温度差异，邀请了另一所学校相同数量未使用操场设施的参与者。使用心率储备来确定中度至剧烈身体活动（MVPA）。使用Fitbit Inspire 2（美国加利福尼亚州旧金山）记录心率至少三个完整的上学日。采用Wilcoxon符号秩检验和Mann-Whitney U检验分析组内和组间差异。
研究结果表明，无论是否使用户外游乐设施，组内（[n = 37]中位数（第25-75百分位数）16分钟（7-30）对14分钟（5-22））和组间（[n = 22] 16分钟（7-26））的MVPA均无差异。所有参与者（n = 59）的每周MVPA [172分钟（117-282）]是与课间休息时MVPA相关最强的变量[t（自由度）= 5.40（38），95%置信区间0.04-0.09，P < 0.001]。
对于8至10岁的儿童，课间休息时使用户外游乐设施并不会增加MVPA。因此，学校可能需要为孩子们提供多种课间玩耍的选择，以便他们积累MVPA。
