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利用激发回波 q-space 成像技术检测轻度下肢骨骼肌疲劳

Detecting Mild Lower-limb Skeletal Muscle Fatigue with Stimulated-echo q-space Imaging.

机构信息

Department of Orthopedic Surgery, Keio University School of Medicine.

Division of Regenerative Medicine, The Jikei University Graduate School ofMedicine.

出版信息

Magn Reson Med Sci. 2021 Dec 1;20(4):457-466. doi: 10.2463/mrms.tn.2020-0096. Epub 2020 Dec 18.

DOI:10.2463/mrms.tn.2020-0096
PMID:33342916
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8922348/
Abstract

The feasibility of detecting mild exercise-related muscle fatigue via stimulated echo (STE) and q-space imaging (qsi) was evaluated. The right calves of seven healthy volunteers were subjected to mild exercise loading, and qsi was generated using spin echo (Δ: 45.6 ms) and three different STE (Δ: 114, 214, and 414 ms) acquisitions. We concluded that qsi with an increased STE diffusion time can detect mild fatigue in the gastrocnemius muscle.

摘要

评估了通过受激回波（STE）和 q 空间成像（qsi）检测轻度运动相关肌肉疲劳的可行性。对 7 名健康志愿者的右小腿进行轻度运动负荷，使用自旋回波（Δ：45.6 ms）和 3 种不同的 STE（Δ：114、214 和 414 ms）采集生成 qsi。我们得出结论，STE 扩散时间增加的 qsi 可以检测腓肠肌的轻度疲劳。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/a1b1ce28e54e/mrms-20-457-g7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/be182c4b051a/mrms-20-457-g1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/a70c70823d5e/mrms-20-457-g5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/6a07059578cb/mrms-20-457-g6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/a1b1ce28e54e/mrms-20-457-g7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/be182c4b051a/mrms-20-457-g1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/d62db27da28d/mrms-20-457-g2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/98644285cb84/mrms-20-457-g4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/a70c70823d5e/mrms-20-457-g5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/6a07059578cb/mrms-20-457-g6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f8d9/8922348/a1b1ce28e54e/mrms-20-457-g7.jpg

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Analysis of skeletal-muscle condition after excessive loading of the lower legs by sequential magnetic resonance imaging.
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通过连续磁共振成像分析小腿过度负荷后骨骼肌状况。
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