Development and validation of a method to measure lumbosacral motion using ultrasound imaging

van den Hoorn, Wolbert, Coppieters, Michel W., van Dieen, Jaap H. and Hodges, Paul W. (2016) Development and validation of a method to measure lumbosacral motion using ultrasound imaging. Ultrasound in Medicine and Biology, 42 5: 1221-1229. doi:10.1016/j.ultrasmedbio.2016.01.001


Author van den Hoorn, Wolbert
Coppieters, Michel W.
van Dieen, Jaap H.
Hodges, Paul W.
Title Development and validation of a method to measure lumbosacral motion using ultrasound imaging
Journal name Ultrasound in Medicine and Biology   Check publisher's open access policy
ISSN 1879-291X
0301-5629
Publication date 2016-02-16
Sub-type Article (original research)
DOI 10.1016/j.ultrasmedbio.2016.01.001
Open Access Status Not Open Access
Volume 42
Issue 5
Start page 1221
End page 1229
Total pages 9
Place of publication Philadelphia, PA, United States
Publisher Elsevier
Collection year 2017
Language eng
Formatted abstract
he study aim was to validate an ultrasound imaging technique to measure sagittal plane lumbosacral motion. Direct and indirect measures of lumbosacral angle change were developed and validated. Lumbosacral angle was estimated by the angle between lines through two landmarks on the sacrum and lowest lumbar vertebrae. Distance measure was made between the sacrum and lumbar vertebrae, and angle was estimated after distance was calibrated to angle. This method was tested in an in vitro spine and an in vivo porcine spine and validated to video and fluoroscopy measures, respectively. R2, regression coefficients and mean absolute differences between ultrasound measures and validation measures were, respectively: 0.77, 0.982, 0.67° (in vitro, angle); 0.97, 0.992, 0.82° (in vitro, distance); 0.94, 0.995, 2.1° (in vivo, angle); and 0.95, 0.997, 1.7° (in vivo, distance). Lumbosacral motion can be accurately measured with ultrasound. This provides a basis to develop measurements for use in humans.
Keyword In vitro model
In vivo model
Spine motion
Ultrasound
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Health and Rehabilitation Sciences Publications
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