Title: Lumbar tactile acuity is near identical between sides in healthy pain-free participants
Authors : Wand, Benedict Martin
Catley, Mark Jon
Luomajoki, Hannu Antero
O'Sulliva, Kieran James
Di Pietro, Flavia
O'Connell, Neil Edward
Moseley, G. Lorimer
Published in : Manual Therapy
Volume(Issue) : 19
Issue : 5
Pages : 504
Pages to: 507
Publisher / Ed. Institution : Elsevier
Issue Date: 2014
Language : Englisch / English
Subjects : Chronic low back pain; Two-point discrimination; Sensory acuity; Body image
Subject (DDC) : 617.5: Orthopädische Chirurgie
Abstract: A growing body of literature suggests that alterations in brain structure and function are a feature of chronic back pain. Tactile acuity is considered a clinical signature of primary somatosensory representation and offers a simple measure of cortical reorganisation. Clinical interpretation of test scores from an individual patient is hampered by variance in published normative values and less than ideal inter-rater reliability. These problems might be mitigated in people with unilateral back pain by using the patient as their own control and comparing tactile acuity at the painful site to performance at the corresponding position on the non-painful side. The first step in exploring this approach is to quantify the normal side-to-side difference in healthy populations. We pooled data from three previous studies that measured lumbar tactile acuity bilaterally in healthy controls using similar protocols. We calculated the mean and variance of the absolute error between sides, the standard error of measurement and the reliable change index (RCI). The mean difference between sides was 3.2 mm (±5.2) when assessed vertically and 1.9 mm (±3.2) when assessed horizontally. The standard error of measurement was 4.2 mm when assessed vertically and 2.7 mm when assessed horizontally. The RCI suggests that differences of greater than 13 mm when assessed horizontally and 17 mm when assessed vertically equate to 95% confidence that a difference truly exists. Several assumptions related to the application of this approach need to be investigated further.
Departement: Gesundheit
Organisational Unit: Institut für Physiotherapie (IPT)
Publication type: Beitrag in wissenschaftlicher Zeitschrift / Article in scientific Journal
Type of review: Peer review (Publikation)
DOI : 10.1016/j.math.2014.01.002
ISSN: 1356-689X
URI: https://digitalcollection.zhaw.ch/handle/11475/4859
License (according to publishing contract) : Lizenz gemäss Verlagsvertrag / Licence according to publishing contract
Appears in Collections:Publikationen Gesundheit

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