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Muscles of the Shoulder

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The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other muscles to move the humerus effectively. Scapular movements often mirror those of the humerus and extend its range of motion. For instance, raising the arm above the head would not be feasible without simultaneous upward rotation of the scapula.
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Reverse Total Shoulder Arthroplasty

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Satisfactory return to work rates after reverse total shoulder arthroplasty.

Alberto Pedrazzini¹, Flamur Zendeli¹, Bettina Hochreiter¹

¹Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.

The Bone & Joint Journal

|August 31, 2025

Summary

Most patients return to work after reverse total shoulder arthroplasty (RTSA), but heavy laborers have lower rates. Preoperative sick leave absence is a key predictor of successful return to work.

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Area of Science:

Orthopedic Surgery
Rehabilitation Medicine
Occupational Health

Background:

Reverse total shoulder arthroplasty (RTSA) is a common procedure for severe shoulder joint destruction.
Assessing the ability to return to work (RTW) after RTSA is crucial for patient quality of life and socioeconomic factors.
Heavy laborers may face unique challenges in returning to their previous occupations post-RTSA.

Purpose of the Study:

To analyze the rate and predictors of return to work (RTW) after reverse total shoulder arthroplasty (RTSA).
To specifically evaluate RTW outcomes for patients with heavy labor-intensive jobs.
To identify factors influencing successful RTW post-RTSA.

Main Methods:

Retrospective evaluation of working patients under 60 who underwent RTSA.
Collection of demographic data, job intensity, change of work, and preoperative sick leave.
Assessment of Constant-Murley score (CS) and Subjective Shoulder Value (SSV) preoperatively and at 2-year follow-up.

Main Results:

73.7% of patients returned to work at a median of four months post-RTSA.
Patients with heavy work intensity had a lower RTW rate (61.3%) compared to light (78.7%) and medium (73.8%) intensity jobs.
Absence of preoperative sick leave was strongly associated with higher RTW rates (OR 6.81).

Conclusions:

Over two-thirds of preoperatively working patients successfully return to work after RTSA.
Work intensity significantly impacts RTW rates, with heavy laborers experiencing lower success.
Preoperative sick leave status is a critical factor for predicting RTW, informing patient counseling.