Reliability of ultrasound shear-wave elastography in assessing low again musculature elasticity in asymptomatic people.
J Electromyogr Kinesiol. 2018 Feb 02;39:49-57
Authors: Koppenhaver S, Kniss J, Lilley D, Oates M, Fernández-de-Las-Peñas C, Maher R, Croy T, Shinohara M
Sufferers with low again ache generally exhibit impaired morphology and performance of spinal musculature that could be quantifiable utilizing shear-wave elastography (SWE). The aim of this research was to evaluate the intra-rater and test-retest reliability of SWE elasticity measures of the lumbar erector spinae and multifidus muscle tissues throughout relaxation and differing ranges of contraction in asymptomatic people. This single-group repeated-measures design concerned a baseline measurement session and a follow-up session three?days later. The lumbar multifidus was imaged at relaxation and through three ranges of contraction (minimal, reasonable, and most). The lumbar erector spinae (illiocostalis and longissimus muscle tissues) had been imaged at relaxation solely. Total reliability estimates had been truthful to glorious with ICCs starting from zero.44 to zero.92. Reliability was greater within the lumbar multifidus muscle tissues than the erector spinae muscle tissues, barely greater throughout contraction than throughout relaxation, and considerably improved through the use of the imply of three measurements. By reliably quantifying impaired spinal musculature, SWE might facilitate an improved understanding of the etiology and remedy of low again ache and different muscle pain-related situations resembling set off factors and fibromyalgia.
PMID: 29413453 [PubMed – as supplied by publisher]