Electromyography does not show adequate effectiveness in diagnosis of suprascapular nerve lesions caused by rotator cuff tear in rat model.

ABSTRACT:

Background

Suprascapular nerve lesions caused by rotator cuff tears have been widely reported. However, the accuracy of electromyography as a definitive diagnostic method for nerve lesions is controversial. This study aims to evaluate the diagnostic effectiveness of electromyography for nerve lesions following varying degrees of rotator cuff tears in rat models.

Methods

Twenty rats underwent bilateral rotator cuff tenotomy and were divided into four groups to simulate clinically relevant rotator cuff tears of different sizes. The supraspinatus tendon free ends in three groups were sutured at the tendon insertion site, the humeral head midpoint, and the coracoid process base. The fourth group underwent free retraction following supraspinatus and infraspinatus tendon transecti

SUBMITTER: Guo Y 

PROVIDER: S-EPMC12506354 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature