Correlation analysis of gross motor development and physical activity in pre-school children at different altitudes
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摘要:
目的 探讨不同海拔地区学龄前儿童粗大动作发展与体力活动水平的关联性,为儿童粗大动作能力发展研究提供依据。 方法 于2019年10—11月,采用方便抽样,以塔什库尔干县188名世居3 240 m高原(Hi组)、喀什地区175名世居1 290 m亚高原(SubHi组)及吐鲁番高昌区191名世居450 m平原(Pla组)3~6岁学龄前儿童为研究对象,进行粗大动作发展评估及体力活动测试。 结果 随年龄上升,各测试组学龄前儿童中等强度体力活动(MPA)、高强度体力活动(VPA)、中高强度体力活动(MVPA)、粗大动作得分均呈上升趋势;SubHi组男童5岁阶段均高于Hi组,Pla组5岁阶段上述指标均高于Hi组(P值均 < 0.05);SubHi组、Pla组女童4岁阶段MPA水平高于Hi组,SubHi组5岁阶段MVPA高于Hi组;SubHi组、Pla组在男童5岁阶段均高于Hi组,4岁阶段Pla组高于SubHi组(P值均 < 0.05),女童各海拔组间粗大动作相关指标差异均无统计学意义(P值均>0.05)。Hi组及SubHi组低强度体力活动(LPA)与操作动作得分呈正相关(r值分别为0.60,0.44),Pla组LPA与位移动作得分呈正相关(r=0.69);MPA与Hi组位移动作得分(r=0.53)、SubHi组位移动作得分及粗大动作总分(r值分别为0.45,0.59)、Pla组粗大动作各项得分(r值分别为0.69,0.52,0.73)均呈正相关(P值均 < 0.05);除平原组位移得分及粗大动作总分外,VPA与各组粗大动作各项得分均呈正相关(P值均 < 0.05)。 结论 不同海拔地区3~6岁儿童粗大动作发展与体力活动存在一定关联,中高强度体力活动可以作为提高3~6岁儿童粗大动作发展的有效手段。 Abstract:Objective To explore the correlation between gross motor development and physical activity level of preschool children at different altitudes, so as to provide exercise basis for the development of gross motor ability. Methods A total of 188 preschool children living in the 3 240 m high plateau (Hi group) in Tashkurgan County, 175 children living in the 1 290 m low plateau (SubHi group) in Kashgar District and 191 children living in the 450 m high plateau (Pla group) in Gaochang District of Turpan were selected as subjects. The children were assessed for gross motor development and tested for physical activity. Results With the increase of age, the scores of MPA, VPA, MVPA and gross movement of preschoolers in each test group showed an upward trend. The above indexes in SubHi group were significantly higher than those in Hi group at 5 years old, and those in Pla group at 5 years old were significantly higher than those in Hi group (P < 0.05). The level of MPA in SubHi group and Pla group was significantly higher than that in Hi group at 4 years old, and the MVPA in SubHi group at 5 years old was significantly higher than that in Hi group (P < 0.05). SubHi group and Pla group were significantly higher than Hi group at 5 years of age, and Pla group was significantly higher than SubHi group at 4 years of age (P < 0.05). There were no significant differences in the related indexes of gross motor among girls at different altitude groups (P>0.05). The LPA of the Hi group and the SubHi group was positively correlated with the operational movement score (r=0.60, 0.44), and the LPA of the Pla group was positively correlated with the displacement movement score (r=0.69).There was a positive correlation between MPA and displacement score of Hi group (r=0.53), displacement score and gross movement total score of SubHi group (r=0.45, 0.59), and gross movement scores of Pla group (r=0.69, 0.52, 0.73). Except the displacement score and gross movement total score of the Pla group, VPA was positively correlated with the gross movement scores of each group (P < 0.05). Conclusion There is a certain correlation between gross motor development and physical activity level in children aged 3-6 years.MVPA can be used as an effective means to improve the development of rough movements of 3-6-year-old children. -
Key words:
- Growth and development /
- Motor activity /
- Analysis of variance /
- Child, preschool /
- Altitude
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 不同年龄各海拔组男童体力活动水平比较(x±s,min/d)
Table 1. Physical activity levels of boys in different age and altitude groups(x±s, min/d)
年龄/岁 组别 人数 统计值 LPA MPA VPA MVPA 3 Hi 22 231.34±35.45 41.24±12.35 14.85±3.83 55.94±13.48 SubHi 20 222.84±32.57 47.32±15.38* 18.25±2.56* 65.93±18.82* Pla 25 226.51±39.04 45.27±16.58 16.34±3.95 62.34±20.13* F值 1.23 2.21 1.98 2.63 P值 0.30 0.09 0.11 0.07 4 Hi 22 241.44±41.02 41.28±10.37 15.58±2.39 57.15±12.29 SubHi 24 229.35±38.94 49.03±13.40* 20.42±3.85* 69.96±16.45* Pla 23 236.74±37.75 47.71±13.46* 20.39±3.56* 68.28±19.72* F值 1.19 3.28 2.04 5.50 P值 0.14 0.06 0.11 < 0.01 5 Hi 24 239.01±36.16 44.48±13.95 17.71±4.82 62.62±14.39 SubHi 21 229.05±32.50 53.94±14.06* 22.08±4.93* 75.92±17.71* Pla 26 229.35±35.03 50.24±14.82* 22.04±2.83* 72.56±18.49* F值 1.16 4.24 7.30 11.03 P值 0.26 < 0.01 < 0.01 < 0.01 6 Hi 25 240.36±29.42 49.21±13.12 20.05±5.00 69.27±18.35 SubHi 23 232.13±34.56 57.25±16.48* 26.31±3.85* 83.37±19.28* Pla 19 227.38±29.18 55.37±13.48* 25.22±3.67* 80.39±15.35* F值 0.58 3.25 1.94 4.47 P值 0.59 0.06 0.11 < 0.01 注:与Hi组比较,*P < 0.05。 表 2 不同年龄各海拔组女童体力活动水平比较(x±s,min/d)
Table 2. Physical activity levels of girls in different age and altitude groups(x±s, min/d)
年龄/岁 组别 人数 统计值 LPA MPA VPA MVPA 3 Hi 26 224.36±40.65 38.84±12.49 13.11±3.05 52.74±11.38 SubHi 26 224.26±31.05 42.58±13.95* 15.24±3.95 57.76±12.48 Pla 22 219.25±35.26 44.10±14.57* 13.25±2.29 57.22±16.40 F值 1.35 2.06 0.72 0.95 P值 0.12 0.10 0.41 0.35 4 Hi 20 225.51±33.67 40.59±9.97 14.45±2.86 54.47±14.26 SubHi 23 227.74±32.71 47.25±14.06* 15.58±4.09 63.04±16.73 Pla 24 233.17±35.94 45.06±12.58* 15.34±2.86 61.04±15.93 F值 0.97 7.44 0.42 1.28 P值 0.37 < 0.01 0.71 0.11 5 Hi 27 219.78±37.71 44.28±10.32 16.11±2.29 60.55±14.20 SubHi 18 239.46±33.95 48.82±13.31 18.04±3.05 67.39±15.28* Pla 25 245.29±33.03* 47.23±13.09 16.58±3.14 64.38±14.47 F值 3.87 1.29 1.52 7.73 P值 0.03 0.14 0.06 < 0.01 6 Hi 22 225.50±28.65 49.41±11.18 17.47±3.75 66.81±15.76 SubHi 20 241.42±29.02 53.19±9.96 18.24±5.37 72.15±16.26 Pla 27 244.25±29.97* 51.03±12.15 18.35±4.82 70.06±16.38 F值 3.55 1.43 0.74 0.51 P值 0.04 0.09 0.40 0.75 注:与Hi组比较,*P < 0.05。 表 3 不同年龄各海拔组男女童粗大动作发展测试得分比较(x±s)
Table 3. Development level of gross movements of boys in different age and altitude groups(x±s)
年龄/岁 组别 统计值 男童 女童 人数 位移动作 操作动作 粗大动作 人数 位移动作 操作动作 粗大动作 3 Hi 22 11.67±4.47 9.83±2.75 21.05±5.53 26 11.15±4.43 10.32±4.27 21.53±5.57 SubHi 20 12.93±6.02 10.74±3.02 23.98±6.63 26 12.92±4.31 10.97±4.05 23.74±6.06 Pla 25 12.46±4.27 10.03±2.68 23.15±6.47 22 12.27±5.01 9.82±3.41 22.46±7.02 F值 1.73 1.23 0.96 1.51 0.95 0.63 P值 0.06 0.13 0.34 0.17 0.35 0.50 4 Hi 22 23.01±6.63 13.02±2.95 36.48±7.05 20 25.56±6.58 16.13±5.02 42.16±7.04 SubHi 24 26.13±7.01 15.04±4.27 31.55±8.26* 23 27.73±7.26 18.03±4.54 45.44±8.82 Pla 23 24.51±7.24 14.21±3.55 41.08±9.12*# 24 26.12±6.89 17.08±3.86 43.85±6.68 F值 0.68 1.74 2.85 1.66 1.24 1.33 P值 0.48 0.15 0.04 0.05 0.19 0.18 5 Hi 24 23.76±6.94 26.18±7.03 44.26±9.57 27 26.69±7.49 25.16±9.14 52.47±9.84 SubHi 21 29.53±7.91* 27.45±7.38 57.18±11.05* 18 29.98±8.72 27.01±8.75 57.18±10.26 Pla 26 29.63±8.89* 26.53±6.02 56.37±10.26* 25 28.46±9.25 25.72±7.56 54.28±11.08 F值 7.31 1.56 11.29 0.56 0.83 1.01 P值 < 0.01 0.16 < 0.01 0.58 0.41 0.30 6 Hi 25 34.33±6.10 31.04±7.82 66.32±8.34 22 35.31±8.25 29.98±8.63 65.78±10.26 SubHi 23 36.13±5.57 35.08±6.93* 71.47±10.37 20 37.26±9.07 31.81±7.73 68.74±9.37 Pla 19 35.58±6.37 33.16±7.38 68.92±9.73 27 36.19±7.74 31.63±6.85 67.73±12.15 F值 0.78 3.52 0.71 0.32 0.57 1.15 P值 0.45 0.02 0.47 0.79 0.53 0.19 注:与Hi组比较,*P < 0.05;与SubHi组比较,# P < 0.05。 表 4 不同海拔组学龄前儿童粗大动作发展与体力活动的相关系数(r值)
Table 4. Correlation between gross motor development and physical activityof preschool children in the plateau group (r)
组别 变量 LPA MPA VPA MVPA Hi MPA 0.05 (n=188) VPA 0.07 0.59* MVPA 0.13 0.63* 0.72* 位移动作得分 -0.09 0.53* 0.59* 0.66* 操作动作得分 0.60* 0.30 0.63* 0.58* 粗大动作总分 -0.12 0.04 0.46* 0.70* SubHi MPA 0.57* (n=175) VPA -0.20 0.49* MVPA 0.10 0.53* -0.02 位移动作得分 0.10 0.45* 0.59* 0.58* 操作动作得分 0.44* -0.02 0.64* 0.55* 粗大动作总分 0.17 0.59* 0.59* 0.63* Pla MPA 0.58* (n=191) VPA -0.15 0.57* MVPA 0.21 0.50* 0.10 位移动作得分 0.69* 0.69* 0.33 0.68* 操作动作得分 0.09 0.52* 0.50* 0.58* 粗大动作总分 -0.03 0.73* 0.30 0.61* 注: *P < 0.05。 -
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