Valarani Francesca, Giuriato Matteo, Puci Mariangela V, Vandoni Matteo, Codella Roberto, Lovecchio Nicola
School of Sport Sciences, University of Milan, Milan, Italy.
Department of Human Sciences, University of Verona, Verona, Italy.
J Sports Med Phys Fitness. 2020 May;60(5):709-712. doi: 10.23736/S0022-4707.20.10568-1.
The cardiorespiratory fitness (CRF) is one of the most important indicators of the health-related physical fitness components because it reflects the efficiency of the cardiovascular and respiratory systems. To indirectly assess CRF, the original protocol of the 20mSRT was adapted in a new version suitable for children called 20mSRT-PREFIT, providing performances comparable to the standards of the European area. In fact, CRF normative values are missing in the Italian context and therefore they would be meaningful to be assessed. We aimed to determine CRF from 20mSRT-PREFIT in a small sample of Italian pre-school children and to compare the outcomes with the available European references.
A convenience sample of 5-year-old pre-school children (N.=32, M/F ratio: 19/13) was freely recruited from a kindergarten of the northwest Italy. Children performed the 20mSRT-PREFIT and the number of full shuttles, exhaustion time, and maximum speed were collected to obtain CRF.
Predicted VO2max was similar between Italian male and female groups. All other outcomes originating from the 20mSRT-PREFIT were consistent with those included in the available European databases.
According to these preliminary indications, Italian pre-school children may have a CRF level equivalent to that one ascertained in other European countries. Thus, current rakings should be cautiously scrutinized, as they might inappropriately underrate Italian children's performances.
心肺适能（CRF）是与健康相关的体能组成部分中最重要的指标之一，因为它反映了心血管和呼吸系统的效率。为了间接评估CRF，20米穿梭跑测试（20mSRT）的原始方案被改编成一个适用于儿童的新版本，即20mSRT - PREFIT，其测试结果与欧洲地区的标准具有可比性。事实上，意大利缺乏CRF的标准值，因此对其进行评估将具有重要意义。我们旨在通过20mSRT - PREFIT测定一小部分意大利学龄前儿童的CRF，并将结果与现有的欧洲参考标准进行比较。
从意大利西北部的一所幼儿园中随机招募了一个由5岁学龄前儿童组成的便利样本（N = 32，男/女比例：19/13）。孩子们进行了20mSRT - PREFIT测试，并收集了完整穿梭次数、疲惫时间和最大速度，以获得CRF。
意大利男性和女性组之间预测的最大摄氧量（VO2max）相似。来自20mSRT - PREFIT的所有其他结果与现有欧洲数据库中的结果一致。
根据这些初步迹象，意大利学龄前儿童的CRF水平可能与其他欧洲国家确定的水平相当。因此，当前的排名应谨慎审视，因为它们可能不适当地低估了意大利儿童的表现。
