Reliability of surface EMG matrix in locating the innervation zone of upper trapezius muscle

Barbero, Marco; Gatti, Roberto; Conte, Loredana Lo; Macmillan, Fiona; Coutts, Fiona; Merletti, Roberto

doi:10.1016/j.jelekin.2011.05.013

Cited by 29 publications

(27 citation statements)

References 26 publications

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“…It would be reasonable to expect that in a three-dimensional composition the distance between TrPs and IZ locations would probably be closer to zero meaning a more accurate measurement and therefore a greater overlap. In a recent reliability study by the first author, 4 mm [half inter-electrode distance] was the minimum disagreement that could be detected under these experimental conditions (7). Given the limitations of this study, including the minor inaccuracy of TrP palpation and determination of the motor endplate zone by surface EMG, these results confirm the hypothesis that TrPs are located in the vicinity of motor endplate zones.…”

Section: Commentssupporting

confidence: 77%

Myofascial Pain Syndrome: Trigger Points

Dommerholt

Bron

2013

Journal of Musculoskeletal Pain

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Section: Commentssupporting

confidence: 77%

Myofascial Pain Syndrome: Trigger Points

Dommerholt

Bron

2013

Journal of Musculoskeletal Pain

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“…The reproducibility of this method was not evaluated in this study. Nevertheless, this was previously assessed obtaining a high level of intra-rater and inter-rater reliability (Barbero et al, 2011). Furthermore, the accuracy of detecting the innervation zone has been evaluated for computer algorithms of automatic detection of the innervation zone, considering the visual localization of an expert observer (Beck et al, 2012) as a ''gold standard''.…”

Section: Discussionmentioning

confidence: 99%

Differences between motor point and innervation zone locations in the biceps brachii. An exploratory consideration for the treatment of spasticity with botulinum toxin

Guzmán-Venegas¹,

Araneda²,

Silvestre³

2014

Journal of Electromyography and Kinesiology

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“…Consequently, the stimulation of the motor points of each NMC affects the entire area of the motor plate. In the same manner, a group of motor plates delimits an area that corresponds to the highest level of electrical activity in a muscle 34,35 . The motor plates and the innervation zones are distal to the primary motor branch ramification 3 .…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the neuromuscular compartments in the peroneus longus muscle through electrical stimulation and accelerometry

Méndez

Gatica

Guzmán

et al. 2013

Braz. J. Phys. Ther.

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| Background: Muscles are innervated exclusively by a nerve branch and possess definite actions. However, mammalian skeletal muscles, such as the trapezius, the medial gastrocnemius, and the peroneus longus, are compartmentalized. In the peroneus longus muscle, multiple motor points, which innervate individual neuromuscular compartments (NMC), the superior (S-NMC), anteroinferior (AI-NMC), and posteroinferior (PI-NMC), have been described. The contribution of each neuromuscular compartment to the final action of the muscle is fundamental for the rehabilitation of patients afflicted by neurological and muscle dysfunctions. Interventions are often based on electrical principles that take advantage of the physiological characteristics of muscles and nerves to generate therapeutic effects. Objective: To compare the effects of stimulating the different neuromuscular compartments (NMCs) of the peroneus longus muscle on the motor threshold (MT) and acceleration of the foot. Method: This is a cross-sectional study comprising 37 subjects. The three NMCs of the peroneus longus muscle were stimulated, and the acceleration of the foot and the motor threshold of each NMC were evaluated. A repeated measures analysis of variance with Bonferroni corrections of two intra-subjects factors was performed. Results: The stimulation of the different NMCs did not result in any differences in MT (F=2.635, P=0.079). There were significant differences between the axes of acceleration caused by the stimulation of the different NMCs (F=56,233; P=0.000). The stimulation of the posteroinferior compartment resulted in the greatest acceleration in the X-axis (mean 0.614; standard deviation 0.253). Conclusions: The posteroinferior compartment primarily contributes to the eversion movement of the foot. NMCs have specific functional roles that contribute to the actions of the muscles to which they belong.Keywords: neuromuscular compartment; peroneus longus muscle; accelerometry; motor threshold; motor point; physical therapy. HOW TO CITE THIS ARTICLEMéndez GA, Gatica VF, Guzmán EE, Soto AE. Evaluation of the neuromuscular compartments in the peroneus longus muscle through electrical stimulation and accelerometry. Braz J Phys Ther. 2013 Sept-Oct; 17(5):427-434. http://dx

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Reliability of surface EMG matrix in locating the innervation zone of upper trapezius muscle

Cited by 29 publications

References 26 publications

Myofascial Pain Syndrome: Trigger Points

Myofascial Pain Syndrome: Trigger Points

Differences between motor point and innervation zone locations in the biceps brachii. An exploratory consideration for the treatment of spasticity with botulinum toxin

Evaluation of the neuromuscular compartments in the peroneus longus muscle through electrical stimulation and accelerometry

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