Recovery of the shoulder kinematics after reverse shoulder arthroplasty

There is very limited information about the changes in shoulder kinematics in patients with reverse shoulder arthroplasty. The aim of the study was to investigate the changes in the scapulohumeral rhythm and shoulder kinematics over time after the reverse shoulder procedure. Nineteen patients with r...

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Bibliographic Details
Published in:Clinical biomechanics (Bristol) 2023-07, Vol.107, p.106013-106013, Article 106013
Main Authors: Yildiz, Taha Ibrahim, Kara, Dilara, Demirci, Serdar, Sevinç, Ceyda, Ulusoy, Burak, Eraslan, Leyla, Aksoy, Taha, Huri, Gazi, Duzgun, Irem
Format: Article
Language:English
Subjects:
Aged
Arthroplasty, Replacement, Shoulder - methods
Biomechanical Phenomena
Humans
Middle Aged
Range of Motion, Articular - physiology
Reverse shoulder arthroplasty
Scapula
Scapulohumeral rhythm
Shoulder - surgery
Shoulder Joint - surgery
Shoulder kinematics
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Summary:There is very limited information about the changes in shoulder kinematics in patients with reverse shoulder arthroplasty. The aim of the study was to investigate the changes in the scapulohumeral rhythm and shoulder kinematics over time after the reverse shoulder procedure. Nineteen patients with reverse shoulder arthroplasty (age: 65.8 ± 10.3 years) were included to the study. During arm elevation in the sagittal and scapular planes, operated shoulder kinematics (humerothoracic elevation, glenohumeral elevation, scapulohumeral rhythm, and scapular rotations) were assessed using an electromagnetic tracking system at the postoperative 3rd, 6th, and 18th months. Asymptomatic shoulder kinematics were also assessed at the postoperative 18th month. Shoulder function was assessed using The Disabilities of the Arm Shoulder and Hand score at the postoperative 3rd, 6th, and 18th months. Maximum humerothoracic elevation increased from 98° to 109° over the postoperative period (p = 0.01). The scapulohumeral rhythm was similar on the operated and asymptomatic shoulders at the final follow-up (p = 0.11). Both the operated and asymptomatic shoulder demonstrated similar scapular kinematics at the postoperative 18th month (p > 0.05). The Disabilities of the Arm Shoulder and Hand score decreased over time in the postoperative period (p 
ISSN:0268-0033
1879-1271
DOI:10.1016/j.clinbiomech.2023.106013