目的 探讨稳定肌群压力反馈仪对腰部稳定性测试的重测信度及其对iQ脉冲枪干预的敏感性。方法 选择2018年5－9月某校教师22名,分别进行俯卧位和仰卧位的稳定肌群压力反馈仪测试,每名教师均需进行间隔3 d的2组重复测试和1组iQ脉冲枪干预后的测试,共计3组测试;每次测试均要求受试者达到最大压强值并维持10 s,记录压强的变化情况(上限值和下限值)。结果 (1)俯卧位测试中,重测试验上限值和下限值测试前后比较均没有统计学差异,相关系数分别为0.734和0.798(P<0.01);干预试验上限值和下限值测试前后比较均没有统计学差异,相关系数分别为0.866和0.870(P<0.01)。(2)仰卧位测试中,重测试验上限值和下限值测试前后比较均没有统计学差异,相关系数分别为0.798和0.767(P<0.01);干预试验上限值和下限值测试前后比较均有统计学差异(P<0.05),相关系数分别为0.955和0.956(P<0.01)。结论 仰卧位稳定肌群压力反馈仪测试有较高的重测信度,对于干预刺激有较好的敏感性;而俯卧位测试虽有一定的重测信度,但不能反映干预的变化;因此,稳定肌群压力反馈仪仰卧位测试法是一种简单实用的腰部功能评估方法。
Abstract
Objective To study the retest reliability of Stabilizer Pressure Biofeedback for low back stability and the sensibility to iQ impulse adjusting instrument.Methods Twenty-two teachers from one school were tested by Stabilizer Pressure Biofeedback in the supine and prone position between May and September 2018.Each of them was asked to participate in three tests which included two retests at an interval of three days and one test with iQ impulse adjusting instrument. On each test, the subjects were asked to reach the maximum value and maintain it for ten seconds. The pressure variation (upper limits and lower limits)was recorded.Results (1)In the prone position, there was no statistically significant difference between the upper and lower limits, and the correlation coefficients were 0.734 and 0.798(P<0.01)respectively on the retest test, compared with 0.866 and 0.870(P<0.01)respectively on the intervention test.(2) In the supine position, there was no statistically significant difference between the upper and lower limits, with the correlation coefficients being 0.798 and 0.767(P<0.01)respectively on the retest test, compared with 0.955 and 0.956(P<0.01)respectively on the intervention test.Conclusions In the supine position, Stabilizer Pressure Biofeedback exhibits high retest reliability and good sensibility to the intervention stimulation, but in the prone position, it is hard to reflect intervention changes though there is some retest reliability. Therefore, the supine position test of Stabilizer Pressure Biofeedback is a simple and practical method to assess lumbar function.
关键词
信度 /
腰痛 /
稳定肌群压力反馈仪 /
腰部稳定性 /
iQ脉冲枪
Key words
reliability /
low back pain /
Stabilizer Pressure Biofeedback /
low back stability /
iQ impulse adjusting instrument
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