Feasibility and reliability of the Brockport physical fitness test among visually-impaired adolescents in China
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摘要:
目的 探究Brockport体能测试在中国视力障碍青少年中的可行性和可靠性, 以确定其在临床实践和研究中的适用性。 方法 共纳入上海市盲童学校41名10~17岁视力障碍青少年, 由相同的测试人员使用相同的测试仪器对受试者进行两次Brockport体能测试, 包括体质量指数(BMI)、握力、修正版卷腹、俯卧背伸、背抓、单腿伸展坐位体前屈和20 m折返跑, 测试的时间间隔为1周。 结果 Brockport体能测试各项目完成率均为100%。身高、体重、BMI、握力、修正版卷腹、俯卧背伸、单腿伸展坐位体前屈(左/右腿伸直)和20 m折返跑的组内相关系数(ICC)在全体受试者中依次为1.00, 1.00, 1.00, 0.94, 0.75, 0.78, 0.90, 0.87, 0.89, 全盲受试者中为1.00, 1.00, 1.00, 0.97, 0.80, 0.92, 0.89, 0.87, 0.87, 低视力受试者中为1.00, 1.00, 1.00, 0.90, 0.71, 0.40, 0.89, 0.85, 0.85。背抓(左/右手在上)的简单卡帕(KC)系数在全体受试者中为0.79, 0.78, 全盲受试者中为0.72, 0.64, 低视力受试者中为0.87, 1.00。 结论 Brockport体能测试在中国视障青少年中是可行且可靠的体能测试方法, 在低视力青少年中不推荐使用俯卧背伸测试。 Abstract:Objective To investigate the feasibility and reliability of the Brockport physical fitness test in visually-impaired adolescents in China to determine its applicability in clinical practice and research. Methods A total of 41 visually-impaired adolescents 10-17 years of age were included. Body mass index (BMI), dominant grip strength, modified curl up, trunk lift, shoulder stretch, back-saver sit-and-reach and PACER were tested twice with a 1-week interval by the same tester using the same instrument. Results Each item in the Brockport physical fitness test was completed. The intraclass correlation coefficients for height, weight, BMI, dominant grip strength, modified curl up, trunk lift, back-saver sit-and-reach (left/right leg straight), and PACER in all subjects were 1.00, 1.00, 1.00, 0.94, 0.75, 0.78, 0.90, 0.87, 0.89, respectively. In blind subjects, the corresponding values were 1.00, 1.00, 1.00, 0.97, 0.80, 0.92, 0.89, 0.87, 0.87, respectively. In low-vision subjects, the corresponding values were 1.00, 1.00, 1.00, 0.90, 0.71, 0.40, 0.89, 0.85, 0.85, respectively. The Cohen kappa values for shoulder stretch (left/right hand on top) were 0.79 and 0.78 in all subjects, 0.72 and 0.64 in blind subjects, and 0.87 and 1.00 in low-vision subjects. Conclusion The Brockport physical fitness test is a feasible and reliable physical fitness test for visually-impaired adolescents in China, however, trunk lift is not recommended for adolescents with low vision. -
Key words:
- Vision, low /
- Growth and development /
- Body mass index /
- Adolescent
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 全体受试者Brockport体能测试均值和可靠性(n=41)
Table 1. Mean and reliability of Brockport physical fitness test for all subjects(n=41)
测试项目 选项 初测(x±s) 重测(x±s) 可靠性 ICC值(ICC值95%CI) SEM MDC t/Z值 P值 身高/cm 161.73±12.53 161.62±12.39 0.996(0.993~0.998) 0.792 2.195 0.65 0.52 体重/kg 59.37±20.43 59.45±20.46 0.999(0.999~1.000) 0.647 1.793 0.60 0.55 BMI/(kg·m-2) 22.13±5.16 22.18±5.13 0.997(0.994~0.998) 0.283 0.784 0.70 0.49 握力/kg 22.82±8.98 22.64±9.55 0.939(0.888~0.967) 2.357 6.532 0.34 0.73 修正版卷腹/次 37.51±20.12 45.41±20.65 0.754(0.460~0.881) 10.242 28.385 -3.55 <0.01 俯卧背伸/cm 27.27±4.76 26.72±4.76 0.783(0.631~0.878) 2.217 6.144 -1.44 0.15 背抓* 左手在上 — — 0.785 — — -1.65 0.05 右手在上 — — 0.778 — — -0.58 0.56 单腿伸展坐位体前屈/cm 左腿伸直 29.00±8.65 29.56±7.75 0.895(0.813~0.943) 7.768 7.724 -0.94 0.35 右腿伸直 28.25±9.00 28.95±8.62 0.868(0.768~0.927) 9.063 8.697 -1.00 0.32 20 m折返跑/s 22.17±10.41 24.05±12.84 0.888(0.790~0.940) 4.297 11.909 -2.26 0.03 注:*为结果判定为通过和失败。 表 2 全盲受试者Brockport体能测试均值和可靠性(n=22)
Table 2. Mean and reliability of Brockport physical fitness test for blind subjects(n=22)
测试项目 选项 初测(x±s) 重测(x±s) 可靠性 ICC值(ICC值95%CI) SEM MDC t/Z值 P值 身高/cm 159.04±13.49 158.90±13.39 0.997(0.992~0.999) 0.739 2.048 0.60 0.56 体重/kg 55.76±19.69 55.76±19.52 0.999(0.998~1.000) 0.623 1.727 0.05 0.96 BMI/(kg·m-2) 21.49±4.95 21.52±4.83 0.996(0.990~0.998) 0.313 0.867 -0.32 0.75 握力/kg 21.46±10.04 20.93±9.37 0.965(0.920~0.985) 1.878 5.205 0.98 0.34 修正版卷腹/次 35.86±20.42 43.68±19.81 0.797(0.423~0.923) 9.200 25.497 -3.35 <0.01 俯卧背伸/cm 26.33±5.64 25.75±5.24 0.919(0.817~0.965) 1.605 4.448 -0.34 0.30 背抓* 左手在上 — — 0.718 — — -1.00 0.25 右手在上 — — 0.637 — — <0.01 1.00 单腿伸展坐位体前屈/cm 左腿伸直 31.15±9.16 31.98±8.30 0.886(0.749~0.951) 8.572 7.724 -0.94 0.36 右腿伸直 30.30±9.35 31.22±9.07 0.870(0.717~0.944) 9.343 8.697 -0.93 0.37 20 m折返跑/s 17.50±8.19 18.50±9.31 0.865(0.707~0.941) 3.421 9.481 -1.03 0.31 注: *为结果判定为通过和失败。 表 3 低视力受试者Brockport体能测试均值和可靠性(n=19)
Table 3. Mean and reliability of Brockport physical fitness tests for low vision subjects(n=19)
测试项目 选项 初测(x±s) 重测(x±s) 可靠性 ICC值(ICC值95%CI) SEM MDC t/Z值 P值 身高/cm 164.85±10.85 164.77±10.58 0.995(0.988~0.998) 0.767 2.104 0.30 0.77 体重/kg 63.55±21.01 63.72±21.21 0.999(0.999~1.000) 0.671 1.841 -1.13 0.27 BMI/(kg·m-2) 22.88±5.43 22.95±5.48 0.998(0.994~0.999) 0.245 0.672 -0.71 0.49 握力/kg 24.39±7.54 24.63±9.31 0.898(0.754~0.959) 2.973 8.155 -0.26 0.80 修正版卷腹/次 39.42±20.15 47.42±21.94 0.713(0.361~0.882) 11.754 32.243 -2.37 0.03 俯卧背伸/cm 28.36±3.31 27.83±3.97 0.402(-0.060~0.720) 3.070 8.422 -0.34 0.74 背抓* 左手在上 — — 0.872 — — -1.00 0.32 右手在上 — — 0.999 — — <0.01 1.00 单腿伸展坐位体前屈/cm 左腿伸直 26.52±7.51 26.78±6.13 0.890(0.737~0.956) 6.830 7.724 -0.30 0.77 右腿伸直 25.87±8.20 26.33±7.46 0.847(0.646~0.938) 8.797 8.697 -0.45 0.66 20 m折返跑/s 27.58±10.25 30.47±13.56 0.854(0.640~0.943) 5.181 14.212 -2.09 0.05 注: *为结果判定为通过和失败。 -
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