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Preoperative ultrasound mapping of the suprascapular and spinal accessory nerves: A surgeon's guide to precision.
J Plast Reconstr Aesthet Surg
January 2025
Department of Community Medicine, NSCB Government Medical College, Jabalpur, 482003 MP, India. Electronic address:
Background: The aim of the study was to evaluate the accessibility and localization of spinal accessory and suprascapular nerves in the suprascapular region in healthy volunteers using ultrasonography.
Methods: One hundred healthy volunteers were included and the location of the spinal accessory nerve (SAN) and suprascapular nerve (SSN) was assessed in the right suprascapular region.
Findings: Seventy men and 30 women, (mean age 40.
The anatomical structure of the brachial plexus of the guinea pig (cavia porcellus).
Folia Morphol (Warsz)
December 2024
Nicolaus Copernicus University in Toruń, Toruń, Poland.
Background: In this study, we described the anatomy of the brachial plexus of the guinea pig (Cavia porcellus). The description of the brachial plexus anatomy can contribute to the knowledge of the neuroanatomy of small mammals. Furthermore, it is a source of information for clinicians performing brachial plexus anesthesia in exotic animals such as the guinea pig (Cavia porcellus).
View Article and Find Full Text PDFImpact of structural factors around the accessory nerve on the pathogenesis of essential neck and upper-back stiffness: a sonographic investigation.
Clin Physiol Funct Imaging
January 2025
President, Kyorin University, Tokyo, Japan.
Introduction: Neck and upper-back stiffness involves discomfort/ache in the trapezius muscle (TM). The pathogenesis of 'essential neck and upper-back stiffness' without obvious causes remains uncertain. In symptomatic subjects, TM hardness correlates with decreased transverse cervical artery (TCA) blood flow to the TM.
View Article and Find Full Text PDFNeurodynamic testing of the suprascapular nerve: An observational cadaveric study.
Clin Biomech (Bristol)
January 2025
Chaire de recherche en Anatomie fonctionelle, Department of Anatomy, Université du Québec à Trois-Rivières, 3351 Boulevard des Forges C.P. 500, Trois-Rivières, Québec G8Z 4M3, Canada.
Background: Suprascapular neurodynamic tests are used to clinically test for suprascapular nerve mechanosensitivity. Various tests described in the literature are proposed to induce suprascapular nerve mechanical strain but their potential effects on nerve strain have not been established.
Methods: This observational cadaveric study used biomechanical measurements to evaluate and compare the strain undergone by the suprascapular nerve during five different neurodynamic positions: (1) Cervical contralateral rotation and scapular retraction; (2) Cervical contralateral sidebending + shoulder girdle depression; (3) Shoulder girdle depression, retraction, posterior tilt and downward rotation; (4) Position 3 + contralateral cervical sidebending; and (5) Scapular protraction + Cervical contralateral sidebending (protraction sidebending test).
Paralabral Cysts with Associated Infraspinatus and Teres Minor Denervation: A Case Report.
J Orthop Case Rep
November 2024
Department of Orthopaedics, University of Wisconsin, 600 Highland Ave, Madison, Wisconsin, United States.
Introduction: The shoulder is one of the most intricate articulation complexes in the human body. Any insult to its equilibrium can cause joint instability, pain, and dysfunction. The complex bony projections of the scapula, lengthy nature of the nerves, and extensive mobility of the joint places nerves at risk for impingement; this can, especially, be seen when examining the axillary and suprascapular nerves.
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