Impact of structural factors around the accessory nerve on the pathogenesis of essential neck and upper‐back stiffness: a sonographic investigation - Shibasaki, Shohei; Kishino, Tomonori; Sei, Yoriko; Harashima, Keiichiro; Sakata, Konomi; Ohnishi, Hiroaki; Watanabe, Takashi (Clinical physiology and functional imaging, 2025)
Keywords: Accessory nerve; Accessory Nerve - diagnostic imaging; Blood flow; Blood Flow Velocity; Correlation; Elasticity Imaging Techniques - methods; Female; Hardness; Hemodynamics; Humans; Male; Muscles; Neck; neck and upper‐back stiffness; Neck Muscles - diagnostic imaging; Neck Muscles - innervation; Neck Muscles - physiopathology; Neck Pain - diagnostic imaging; Neck Pain - physiopathology; Nerves; Pathogenesis; Physiology; Predictive Value of Tests; Regional Blood Flow; sonography; Stiffness; Superficial Back Muscles - diagnostic imaging; Superficial Back Muscles - innervation; Superficial Back Muscles - physiopathology; Surveys and Questionnaires; transverse cervical artery; Trapezius muscle; Young Adult; Young adults; neck and upper‐back stiffness; transverse cervical artery; trapezius muscle; accessory nerve; sonography