An assessment of co-contraction in reinnervated muscle.

IF 2.4 4区医学 Q4 CELL & TISSUE ENGINEERING Regenerative medicine Pub Date : 2024-04-01 Epub Date: 2023-11-13 DOI:10.2217/rme-2023-0049

Matthew Wilcox, Hazel Brown, Kathryn Johnson, Marco Sinisi, Tom J Quick

引用次数: 0

Abstract

Aim: To investigate co-contraction in reinnervated elbow flexor muscles following a nerve transfer. Materials & methods: 12 brachial plexus injury patients who received a nerve transfer to reanimate elbow flexion were included in this study. Surface electromyography (EMG) recordings were used to quantify co-contraction during sustained and repeated isometric contractions of reinnervated and contralateral uninjured elbow flexor muscles. Reuslts: For the first time, this study reveals reinnervated muscles demonstrated a trend toward higher co-contraction ratios when compared with uninjured muscle and this is correlated with an earlier onset of muscle fatigability. Conclusion: Measurements of co-contraction should be considered within muscular function assessments to help drive improvements in motor recovery therapies.

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再神经支配肌肉共收缩的评估。

目的:探讨神经移植后肘关节屈肌的共收缩。材料与方法:本研究纳入12例臂丛神经损伤患者，接受神经转移术恢复肘关节屈曲。表面肌电图(EMG)记录用于量化再神经支配和对侧未损伤肘关节屈肌持续和重复等距收缩期间的共收缩。结果:本研究首次揭示了与未受伤肌肉相比，再神经支配肌肉表现出更高的共收缩率的趋势，这与肌肉疲劳的早期发作有关。结论:在肌肉功能评估中应考虑联合收缩的测量，以帮助推动运动恢复治疗的改进。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Regenerative medicine 医学-工程：生物医学

CiteScore

4.20

自引率

3.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Regenerative medicine replaces or regenerates human cells, tissue or organs, to restore or establish normal function*. Since 2006, Regenerative Medicine has been at the forefront of publishing the very best papers and reviews covering the entire regenerative medicine sector. The journal focusses on the entire spectrum of approaches to regenerative medicine, including small molecule drugs, biologics, biomaterials and tissue engineering, and cell and gene therapies – it’s all about regeneration and not a specific platform technology. The journal’s scope encompasses all aspects of the sector ranging from discovery research, through to clinical development, through to commercialization. Regenerative Medicine uniquely supports this important area of biomedical science and healthcare by providing a peer-reviewed journal totally committed to publishing the very best regenerative medicine research, clinical translation and commercialization. Regenerative Medicine provides a specialist forum to address the important challenges and advances in regenerative medicine, delivering this essential information in concise, clear and attractive article formats – vital to a rapidly growing, multidisciplinary and increasingly time-constrained community. Despite substantial developments in our knowledge and understanding of regeneration, the field is still in its infancy. However, progress is accelerating. The next few decades will see the discovery and development of transformative therapies for patients, and in some cases, even cures. Regenerative Medicine will continue to provide a critical overview of these advances as they progress, undergo clinical trials, and eventually become mainstream medicine.

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