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Prevalence of scapular dyskinesis and shoulder pain in amateur surfers from Rio Grande do Sul: A cross-sectional study

ABSTRACT

The paddling movement represents 51.4% of total surfing practice time, generating high muscle demand for the shoulder complex. Despite this, there is a gap on the literature on the prevalence of pain and scapular dyskinesis (SD) in surfers. This study sought to evaluate the prevalence of SD and shoulder pain in amateur surfers in the state of Rio Grande do Sul, Brazil. It is a cross-sectional descriptive observational study. The sample consisted of 21 men, aged between 18 and 42 years, surfing for at least two years. The outcomes evaluated were static SD, dynamic SD, shoulder pain - by the numerical pain rating scale -, pectoralis minor muscle length, and score on the Western Ontario Shoulder Instability Index. Continuous variables were expressed in mean and standard deviation. Categorical variables were expressed as percentages. Data associations were tested through chi-square test and Pearson correlation test. SD was present in 71.4% of the sample, with a higher prevalence of Type I dyskinesia (57.1%), and 42.9% presented shoulder pain during evaluation. SD was observed in most of the studied population, while pain was present in just under half of the participants. Although SD is a very prevalent find in amateur surfers, no correlation was observed between pain and reduced life quality.

Keywords:
Scapula/injuries; Pain; Shoulder; Sport

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