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Rehabilitative ultrasound imaging: A...

Sions, Jaclyn Megan.

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Rehabilitative ultrasound imaging: An investigation of trunk muscle size, activity, and symmetry in the presence of age-related changes and chronic low back pain.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Rehabilitative ultrasound imaging: An investigation of trunk muscle size, activity, and symmetry in the presence of age-related changes and chronic low back pain./
Author:	Sions, Jaclyn Megan.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2012,
Description:	185 p.
Notes:	Source: Dissertations Abstracts International, Volume: 74-04, Section: B.
Contained By:	Dissertations Abstracts International74-04B.
Subject:	Physical therapy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3540736
ISBN:	9781267663054

Rehabilitative ultrasound imaging: An investigation of trunk muscle size, activity, and symmetry in the presence of age-related changes and chronic low back pain.
Sions, Jaclyn Megan.

Rehabilitative ultrasound imaging: An investigation of trunk muscle size, activity, and symmetry in the presence of age-related changes and chronic low back pain. - Ann Arbor : ProQuest Dissertations & Theses, 2012 - 185 p.

Source: Dissertations Abstracts International, Volume: 74-04, Section: B.

Thesis (Ph.D.)--University of Delaware, 2012.

This item must not be sold to any third party vendors.

Background: Chronic low back pain (LBP) is prevalent among community-dwelling older adults, affecting both physical and psychosocial function, and contributing to rising healthcare costs. The superimposition of chronic LBP-related muscular changes on age-related changes may help explain why older individuals experience more disabling back pain than younger individuals. Ultrasound imaging has been shown to be a reliable and valid procedure for assessing posterior trunk muscle size and activity in younger adults, with and without LBP, but has not been evaluated in older adults. Physical therapy interventions addressing muscle in older adults with chronic LBP may improve pain and LBP-related disability; muscle changes may be assessed using ultrasound imaging pending established reliability and validity. Purpose: The goals of this work were to establish a reliable and valid procedure for assessing posterior trunk muscle morphology in the presence of chronic LBP and age-related changes. Further, we hoped to provide insight into the impact of chronic LBP and age on the morphology of the paraspinal muscles and lumbar multifidi function. Lastly, we aimed to determine if treatments consisting of lumbar stabilization exercises coupled with neuromuscular electrical stimulation (NMES) had the potential to improve side-to-side, trunk muscle symmetry as evaluated with ultrasound imaging in older individuals with chronic LBP. Methods: Comparisons among older adults with chronic LBP, older adults without LBP, and younger adults without LBP allowed investigations of the effects of chronic LBP- and age-related changes on intra- and inter-examiner ultrasound imaging reliability. We examined the criterion validity of ultrasound imaging as compared to magnetic resonance imaging for the evaluation of posterior trunk muscle cross-sectional area in older adults with and without chronic LBP. We explored the impact of pain and aging on posterior trunk muscle size, activity, and side-to-side symmetry. During a small, randomized, clinical trial comparing lumbar stabilization exercises plus NMES to exercises alone, ultrasound imaging was successfully used to assess changes in posterior trunk muscle side-to-side asymmetry. Significance: Findings of good-to-excellent ultrasound reliability and validity among older adults with and without chronic LBP may allow the use of ultrasound imaging in future geriatric research and clinical practice. Improved understanding of the impact of chronic LBP and aging on posterior trunk muscle size and function may stimulate interventional investigations targeting skeletal muscle changes in older adults with chronic LBP. Preliminary results of greater improvements in trunk muscle side-to-side symmetry among older adults with CLBP who received lumbar stabilization exercises supplemented with NMES as compared to exercises alone should be further evaluated through a large-scale, clinical trial.

ISBN: 9781267663054Subjects--Topical Terms:

588713
Physical therapy.

Rehabilitative ultrasound imaging: An investigation of trunk muscle size, activity, and symmetry in the presence of age-related changes and chronic low back pain.
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245 1 0 $a Rehabilitative ultrasound imaging: An investigation of trunk muscle size, activity, and symmetry in the presence of age-related changes and chronic low back pain.
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500 $a Publisher info.: Dissertation/Thesis.
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506 $a This item must not be sold to any third party vendors.
520 $a Background: Chronic low back pain (LBP) is prevalent among community-dwelling older adults, affecting both physical and psychosocial function, and contributing to rising healthcare costs. The superimposition of chronic LBP-related muscular changes on age-related changes may help explain why older individuals experience more disabling back pain than younger individuals. Ultrasound imaging has been shown to be a reliable and valid procedure for assessing posterior trunk muscle size and activity in younger adults, with and without LBP, but has not been evaluated in older adults. Physical therapy interventions addressing muscle in older adults with chronic LBP may improve pain and LBP-related disability; muscle changes may be assessed using ultrasound imaging pending established reliability and validity. Purpose: The goals of this work were to establish a reliable and valid procedure for assessing posterior trunk muscle morphology in the presence of chronic LBP and age-related changes. Further, we hoped to provide insight into the impact of chronic LBP and age on the morphology of the paraspinal muscles and lumbar multifidi function. Lastly, we aimed to determine if treatments consisting of lumbar stabilization exercises coupled with neuromuscular electrical stimulation (NMES) had the potential to improve side-to-side, trunk muscle symmetry as evaluated with ultrasound imaging in older individuals with chronic LBP. Methods: Comparisons among older adults with chronic LBP, older adults without LBP, and younger adults without LBP allowed investigations of the effects of chronic LBP- and age-related changes on intra- and inter-examiner ultrasound imaging reliability. We examined the criterion validity of ultrasound imaging as compared to magnetic resonance imaging for the evaluation of posterior trunk muscle cross-sectional area in older adults with and without chronic LBP. We explored the impact of pain and aging on posterior trunk muscle size, activity, and side-to-side symmetry. During a small, randomized, clinical trial comparing lumbar stabilization exercises plus NMES to exercises alone, ultrasound imaging was successfully used to assess changes in posterior trunk muscle side-to-side asymmetry. Significance: Findings of good-to-excellent ultrasound reliability and validity among older adults with and without chronic LBP may allow the use of ultrasound imaging in future geriatric research and clinical practice. Improved understanding of the impact of chronic LBP and aging on posterior trunk muscle size and function may stimulate interventional investigations targeting skeletal muscle changes in older adults with chronic LBP. Preliminary results of greater improvements in trunk muscle side-to-side symmetry among older adults with CLBP who received lumbar stabilization exercises supplemented with NMES as compared to exercises alone should be further evaluated through a large-scale, clinical trial.
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