Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 26312
  Title Posteroanterior segmental displacement of the lumbar spine: Assessment using ultrasound in asymptomatic men
Journal J Manipulative Physiol Ther. 2020 May;43(4):325-330
Peer Review Yes
Publication Type Article

Objective: This study aimed to assess posteroanterior (PA) segmental displacement of the lumbar spine using ultrasound (US).

Methods: Eight asymptomatic male participants (20.1 ± 0.4 years) were included in this study. The relative depth between the tip of the L4 and L3 spinous processes from the US probe (mm) was measured using US in the following 7 conditions, which were without PA force, applying PA force of 9.8 newton (N), 19.6 N, 29.4 N, 39.2 N, 49.0 N, and 58.8 N to both sides of the L4 costal processes. The measurements were repeated twice within a day. The intraclass correlation coefficient, standard error of measurement (SEM), and minimal detectable change (MDC) were calculated. A repeated-measures analysis of variance was also used to determine the influence of PA force on the relative depth.

Results: The intraclass correlation coefficients for the intrarater reliability of the 7 conditions were 0.95 (SEM: 0.43 mm, MDC: 1.19 mm), 0.93 (SEM: 0.45 mm, MDC: 1.25 mm), 0.93 (SEM: 0.47 mm, MDC: 1.30 mm), 0.95 (SEM: 0.37 mm, MDC: 1.02 mm), 0.95 (SEM: 0.40 mm, MDC: 1.10 mm), 0.96 (SEM: 0.38 mm, MDC: 1.04 mm), and 0.95 (SEM: 0.42 mm, MDC: 1.15 mm), respectively. The intrarater reliability of the relative depth using US was reliable. There was no significant change in the relative depth among the 7 conditions (F = 0.88, P = .41). Incrementally greater PA force was not related to greater intersegmental translation.

Conclusion: Our US method could not detect PA segmental displacement of the lumbar spine.

Author keywords: Lumbar Vertebrae; Ultrasonography

Author affiliations: HI, TS, SW: Department of Rehabilitation, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, Kurashiki, Okayama, Japan

This abstract is reproduced with the permission of the publisher; full text is available by subscription. Click on the above link and select a publisher from PubMed's LinkOut feature.


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