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Scapular dyskinesis and SICK syndrome in patients with a chronic type III acromioclavicular dislocation. Results of rehabilitation

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Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

Scapular dyskinesis has been related to acromioclavicular injuries. A rehabilitation protocol has been studied in order to treat scapular dyskinesis, but it has not yet been evaluated. This rehabilitation programme was adopted to improve the shoulder function, thereby improving the scapular dyskinesis in patients with chronic acromioclavicular dislocation.

Method

Twenty-four patients diagnosed with chronic type III acromioclavicular dislocation and scapular dyskinesis that have already been conservatively treated were enrolled in the rehabilitation protocol and analysed. Fourteen of these patients had a Scapular Inferior Coracoid dysKinesis (SICK) Syndrome. The adopted rehabilitation protocol consisted of 12 strengthening and stretching exercises of the scapulae. The final follow-ups were performed after 6 weeks, 6 months and 12 months using clinical measurements of scapular position and clinical evaluation of the scapular motion. In order to evaluate the SICK scapula syndrome, we used the SICK Scapula Rating Scale. The shoulder function was evaluated with a Constant Score and a Subjective Shoulder Value.

Results

After 12 months, the follow-up concluded that the scapular dyskinesis was no longer present in 18/23 patients (78.2 %). SICK scapula syndrome was observed in 4/8 patients with a scapular malposition. The Scapula Rating Scale score in 4 patients with SICK scapula was 7.5 points. After 12 months of rehabilitation, the mean Constant Score and Subjective Shoulder Value grew up to 85 points.

Conclusion

The scapular dyskinesis and SICK syndrome secondary to chronic type III AC dislocation can be treated with the proposed rehabilitation protocol resulting in positive improvements of the shoulder function within 6 weeks; however, patients that do not respond to the rehabilitation programme will not improve with extended rehabilitation time. It is important to advise patients of the specific exercises for the prevention/treatment of scapular dyskinesis in the rehabilitation programme after AC joint dislocation.

Level of evidence

IV.

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Authors and Affiliations

  1. Department of Orthopaedics and Traumatology, Sapienza University of Rome, Rome, Italy

    Stefano Carbone & Stefano Gumina

  2. Ospedale Israelitico, Upper Limb Unit, Rome, Italy

    Roberto Postacchini

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  1. Stefano Carbone
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  2. Roberto Postacchini
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  3. Stefano Gumina
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Correspondence to Stefano Carbone.

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Carbone, S., Postacchini, R. & Gumina, S. Scapular dyskinesis and SICK syndrome in patients with a chronic type III acromioclavicular dislocation. Results of rehabilitation. Knee Surg Sports Traumatol Arthrosc 23, 1473–1480 (2015). https://doi.org/10.1007/s00167-014-2844-5

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