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. 2024 Feb;16(1):53-58.
doi: 10.1177/17585732231165227. Epub 2023 Mar 23.

Strength after the arthroscopic Latarjet procedure: Are shoulder internal rotation, elbow flexion & supination strength decreased?

Naser Alnusif  1   2 , Ali Lari  2 , Saad AlQahtani  3 , George S Athwal  1
Affiliations

Strength after the arthroscopic Latarjet procedure: Are shoulder internal rotation, elbow flexion & supination strength decreased?

Naser Alnusif et al. Shoulder Elbow. 2024 Feb.

Abstract

Background: The Latarjet procedure is an effective shoulder stabilizing surgery, however, the procedure results in an alteration of anatomy that may result in shoulder and elbow weakness. Thus, the purpose of this study was to assess post-operative shoulder and elbow strength after the Latarjet procedure. We hypothesized that shoulder and elbow strength are not affected after the procedure.

Methods: The study group consisted of patients that had undergone the arthroscopic Latarjet procedure. An isokinetic dynamometer was used to evaluate the strength of bilateral shoulder internal rotation, elbow flexion, forearm supination using peak torque (N/m), as well as grip strength (kilograms). Shoulder range of motion and the potential effects of hand dominance were further analysed.

Results: Nineteen patients with a mean age of 29 years and an average follow up of 47 months were included. Shoulder internal rotation strength, elbow flexion and forearm supination strength and grip strength were not significantly different when compared to the non-operative side (p > 0.13). The range of shoulder external rotation was significantly reduced (p < 0.001) on the Latarjet side.

Conclusion: The results from this study demonstrate no statistically significant differences in the strength of shoulder internal rotation, elbow flexion, forearm supination or grip strength despite the surgical alterations to the subscapularis and conjoint tendon.

Keywords: Latarjet; arthroscopic Latarjet; elbow; isokinetic; shoulder; shoulder instability; strength.

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Conflict of interest statement

The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
Difference in (A) external rotation range of motion (degrees) and (B) forearm supination strength (peak torque) between Latarjet and contralateral sides.
Figure 2.
Figure 2.
Radar chart for the ratio of shoulder internal rotation strength, grip strength, elbow flexion and supination strength between Latarjet (red) and contralateral sides (blue).
See this image and copyright information in PMC

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