Reliability of pressure biofeedback instrument in patients with low back pain

doi:10.3969/j.issn.2095-4344.2015.37.028

Abstract

Abstract:

BACKGROUND: Treatment programs for low back pain are of great varieties, but there is still no a definite treatment. Pressure biofeedback instrument is a tool to measure abdominal muscle activity, and its reliability in the treatment of low back pain is less reported.

OBJECTIVE: To explore the reliability and feasibility of the pressure biofeedback instrument for assessment of low back pain.

METHODS: Thirty patients with chronic low back pain were enrolled and subject to four kinds of postures: posture A was prone position; posture B was supine position with flexion of the knee joints, posture C was supine position with unilateral flexion of the hip and knee joint, posture D was prone position with unilateral shoulder flexion. Intra-abdominal pressure values under the different postures were measured twice within a week in the same subject. Intraclass correlation coefficient (ICC) was used to assess the reliability.

RESULTS AND CONCLUSION: Posture A had good test-retest reliability, and the value of ICC was 0.853 (95% confidence interval: 0.691-0.930); posture B showed moderate test-retest reliability, and the ICC value was 0.751 (95% confidence interval: 0.477-0.882); posture C also had moderate test-retest reliability, and the ICC value was 0.789 (95% confidence interval: 0.557-0.900), posture D had good test-retest reliability, and the value of ICC was 0.892 (95% confidence interval: 0.641-0.919). Therefore, the pressure biofeedback for evaluation of low back pain has good reliability, which can be used for the evaluation of low back pain.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: headings, Low Back Pain, Pressure

CLC Number:

R318

Dong Yu-lin, Wang Xue-qiang, Hu Jing-yun1. Reliability of pressure biofeedback instrument in patients with low back pain[J]. Chinese Journal of Tissue Engineering Research, 2015, 19(37): 6060-6063.

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