Decreasing the neck shaft angle from 155° to 145° improves adduction, but reduces abduction: A computed tomography simulation study

Whether with or without BIO-RSA, decreasing the NSA could increase adduction and therefore reduce risks of scapular notching, but decrease abduction. Furthermore, decreasing the NSA could increase IR, ER, flexion and extension.<b>Level of Evidence</b>: Comparative simulation study: Level IV.

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Publication Details

Journal
Shoulder & Elbow
Published
2026-01-22
DOI
https://doi.org/10.1177/17585732251415551
Primary Topic
Shoulder Injury and Treatment
Type
article
Field-Weighted Citation Impact
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article

Decreasing the neck shaft angle from 155° to 145° improves adduction, but reduces abduction: A computed tomography simulation study

Geert A. Buijze, Didier Poncet, Thibault Lafosse, Laurent Lafosse et al.
Shoulder & Elbow
Shoulder Injury and Treatment
article

Decreasing the neck shaft angle from 155° to 145° improves adduction, but reduces abduction: A computed tomography simulation study

Geert A. Buijze, Didier Poncet, Thibault Lafosse, Laurent Lafosse, Floris Van Rooij
article en

Abstract

Whether with or without BIO-RSA, decreasing the NSA could increase adduction and therefore reduce risks of scapular notching, but decrease abduction. Furthermore, decreasing the NSA could increase IR, ER, flexion and extension.<b>Level of Evidence</b>: Comparative simulation study: Level IV.

Shoulder & Elbow
Laboratoire d'Annecy de Physique Théorique (FR)
Openalex Percentile: Top 79%
Shoulder Injury and Treatment
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