Clinical Research Directory

Ultrasound Application on the Suprascapular Nerve and Dynamic Shoulder Movement for Stroke Patients

Sponsor: National Taiwan University Hospital

Summary

The suprascapular nerve is the first nerve that branches from the upper trunk of brachial plexus. It receives signals transmitted from the fifth and sixth cervical root. The clinical importance of suprascapular nerve is mainly based on its distribution of 70% sensory innervation to the glenohumeral joint. After being divided from the upper trunk, the suprascapular nerve goes laterally and posteriorly. First, it passes underneath the omohyoid muscle, and then goes through the suprascapular notch into the suprascapular fossa. If there are some problems inside the supraspinatus muscle at the suprascapular fossa, the suprascapular nerve below it may be compromised. After the suprascapular nerve passes the suprascapular fossa, it courses through the spinoglenoid notch, and then goes into the infraspinatus fossa to innervate the infraspinatus muscle. Based on the sensory and motor innervation of the suprascapular nerve to the shoulder joint, the sonographic images of the suprascapular nerves would add tremendous values in assessing patients with refractory shoulder pain. Although there are some studies trying to measure the size of the suprascapular nerve, no available research can be found in stroke patients. Our study aims to explore the ultrasound morphology of the suprascapular nerves as well as subacromial dynamic imaging in patients with stroke. A control group without stroke will be recruited for comparison.

Official title: Application of Ultrasound Imaging of Suprascapular Nerves and Dynamic Shoulder Movement for Stroke Patients

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