Survey on Needle Depth and Angle at Jianzhongshu Acupoint Under Ultrasound Guidance

Plain-language summary

The levator scapulae muscle is commonly involved in chronic neck and shoulder pain, with trigger points often located at its insertion on the superior angle of the scapula. Jianzhongshu (SI15) has been identified as a corresponding acupuncture point. Ultrasound imaging enhances the accuracy and safety of acupuncture by providing real-time visualization of anatomical structures, while electronic goniometry allows precise measurement of needle insertion angles. This study aims to investigate the depth and angles of needle insertion at SI15 using ultrasound and electronic goniometry. The findings will provide essential anatomical reference data for clinical applications, particularly in acupuncture treatment for neck and shoulder pain.

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