دورية أكاديمية
أعرض في EDS

Distribution of tremorogenic activity among the major superficial muscles of the upper limb in persons with Essential tremor.

التفاصيل البيبلوغرافية
العنوان: Distribution of tremorogenic activity among the major superficial muscles of the upper limb in persons with Essential tremor.
المؤلفون: Standring DJ; Mechanical Engineering, Brigham Young University, Provo, UT 84602, USA., Pigg AC; Mechanical Engineering, Brigham Young University, Provo, UT 84602, USA., Thompson-Westra J; Clinical Trials Unit, Office of the Clinical Director, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA., Mente K; Human Motor Control Section, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA., Maurer CW; Human Motor Control Section, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA., Haubenberger D; Clinical Trials Unit, Office of the Clinical Director, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA., Hallett M; Human Motor Control Section, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD 20892, USA., Charles SK; Mechanical Engineering, Brigham Young University, Provo, UT 84602, USA; Neuroscience, Brigham Young University, Provo, UT 84602, USA. Electronic address: skcharles@byu.edu.
المصدر: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology [Clin Neurophysiol] 2022 Oct; Vol. 142, pp. 20-32. Date of Electronic Publication: 2022 Jul 16.
نوع المنشور: Journal Article; Research Support, N.I.H., Intramural; Research Support, Non-U.S. Gov't; Research Support, N.I.H., Extramural
اللغة: English
بيانات الدورية: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 100883319 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1872-8952 (Electronic) Linking ISSN: 13882457 NLM ISO Abbreviation: Clin Neurophysiol Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Amsterdam : Elsevier, c1999-
مواضيع طبية MeSH: Essential Tremor*/diagnosis, Electromyography ; Humans ; Muscle, Skeletal/physiology ; Tremor/diagnosis ; Upper Extremity/physiology
مستخلص: Objective: Peripheral tremor suppression has the potential to reduce tremor, but we do not currently know where best to intervene. The purpose of this study was to characterize the distribution of tremorogenic activity among upper-limb muscles.
Methods: Surface electromyography was recorded from the 15 major superficial muscles of the upper limb while 25 patients with Essential Tremor performed postural and kinetic tasks. We defined tremorogenic activity as power in the tremor band (4-8 Hz) and determined the distribution of this power among muscles.
Results: The distribution varied considerably between patients (mean r = 0.58), but on average, the greatest power was found in the anterior deltoid and extensor carpi ulnaris muscles. Other muscles with high power included the extensor carpi radialis, pectoralis major, lateral deltoid, and brachialis muscles. This distribution was similar (mean r ≥ 0.88) for postural and kinetic tremor, various limb configurations, repetitions, and patient characteristics (sex, tremor severity, age of onset, and duration).
Conclusions: We identified a rough pattern in which muscles opposing gravity appeared to have the highest tremor-band power; we hypothesize that the distribution of tremorogenic muscle activity depends in part on the distribution of voluntary activity required by the task.
Significance: Understanding which muscles exhibit the most tremorogenic activity is one of the steps in the pursuit of optimizing peripheral tremor suppression.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2022 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. All rights reserved.)
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معلومات مُعتمدة: R15 NS087447 United States NS NINDS NIH HHS
فهرسة مساهمة: Keywords: Distribution; EMG; Essential tremor; Muscle; Tremorogenic; Upper limb
تواريخ الأحداث: Date Created: 20220805 Date Completed: 20220928 Latest Revision: 20231002
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC9529895
DOI: 10.1016/j.clinph.2022.07.001
PMID: 35930890
قاعدة البيانات: MEDLINE
الوصف
تدمد:1872-8952
DOI:10.1016/j.clinph.2022.07.001