Muscle activity onset in the lumbar multifidus muscle recorded simultaneously by ultrasound imaging and intramuscular electromyography

Vasseljen, Ottar; Dahl, Hildegunn; Mork, Paul Jarle; Torp, Hans

doi:10.1016/j.clinbiomech.2006.05.003

Cited by 69 publications

(90 citation statements)

References 23 publications

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“…However, researchers using specialized high-frequency ultrasound imaging have been able to investigate the timing of muscle contraction in the paraspinals. 48 Though we did not investigate any potential timing changes in multifidus contraction postmanipulation, a recent EMG study has demonstrated altered timing in muscle contraction of the TrA following manipulation of the sacroiliac joint. 31 …”

Section: Rusi Considerationsmentioning

confidence: 99%

Improved Activation of Lumbar Multifidus Following Spinal Manipulation: A Case Report Applying Rehabilitative Ultrasound Imaging

Brenner

Gill²,

Buscema³

et al. 2007

J Orthop Sports Phys Ther

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Section: Rusi Considerationsmentioning

confidence: 99%

Improved Activation of Lumbar Multifidus Following Spinal Manipulation: A Case Report Applying Rehabilitative Ultrasound Imaging

Brenner

Gill²,

Buscema³

et al. 2007

J Orthop Sports Phys Ther

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“…Dynamic measures are described for the posterior cervical 39 and the lumbar multifidus, 34,74,75 as well as muscular fatigue. 64 The most common RUSI measurement of the paraspinal muscles to represent muscle contraction is change in muscle thickness.…”

Section: Dynamic Measurement Of Lumbar Multifidusmentioning

confidence: 99%

Rehabilitative Ultrasound Imaging of the Posterior Paraspinal Muscles

Stokes

Hides

Elliott

et al. 2007

J Orthop Sports Phys Ther

149

125

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T he role of muscles in joint protection and stabilization has been of increasing interest to researchers and clinicians involved in spinal pain and rehabilitation. Evidence for the importance of deep posterior muscles of the spine in the management of people with low back pain (LBP) has been provided by biomechanical 7,60,80,82 and neurophysiological 46,48 investigations. Imaging studies have further allowed definition of both normal morphology and impairments in paraspinal muscles. 22,27,32,33 Rehabilitative ultrasound imaging (RUSI) is a potentially useful tool in physical therapy for the assessment and treatment of these muscles. The advantages of RUSI over other imaging techniques have been discussed in a recently published related cles can be incorporated into neuromusculoskeletal rehabilitation. The main applications of RUSI for measurement of morphological characteristics (morphometry) and visualization of muscle contraction for biofeedback are discussed. The lumbar multifidus is the most widely studied paraspinal muscle, in both healthy populations 68 and people with spinal pain and injury. 22,26,27 Studies of different cervical muscles are also emerging. 37,39,[61][62][63] In the thoracic region, the lower trapezius is the first muscle to be measured with ultrasound imaging. 53Quantitative evaluation of the posterior paraspinal musculature using static and dynamic imaging has been used to study muscle morphology and behavior during contraction. 34,39,64,74,76 In this context, behavior relates to level of contraction (change in thickness), changes in size over time and with respect to other muscles, as well as observation of contraction as a biofeedback tool for the patient or therapist. In this commentary we review what is known about RUSI as applied to the paraspinal musculature, propose guidelines for standardizing the imaging and measurement techniques in clinical and research applications, and propose future directions for research. SYNOPSIS:Interest in rehabilitative ultrasound imaging (RUSI) of the posterior paraspinal muscles is growing, along with the body of literature to support integration of this technique into routine physical therapy practice. This clinical commentary reviews how RUSI can be used as an evaluative and treatment tool and proposes guidelines for its use for the posterior muscles of the lumbar and cervical regions. Both quantitative and qualitative applications are described, as well as measurement reliability and validity. Measurement of morphological characteristics of the muscles (morphometry) in healthy populations and people with spinal pathology are described. Preliminary normal reference data exist for measurements of cross-sectional area (CSA), linear dimensions (muscle depth/thickness and width), and shape ratios. Compared to individuals without low back pain, changes in muscles' size at rest and during the contracted state have been observed using RUSI in people with spinal pathology. Visual observation of the image during contraction indicates that RUSI may be a va...

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“…68 USI may be able to provide insight into the control of the abdominal muscles. Although research groups are attempting to measure the relative timing of abdominal muscle activation with Doppler imaging, 116 doing so with conventional USI is difficult, as the period of delay is in the order of tens of milliseconds and therefore impossible to detect visually. Activation During Automatic Tasks Assessment of automatic activation of the TrA muscle seeks to evaluate the strategy for activation of this muscle during movements of the trunk or limbs.…”

mentioning

confidence: 99%