Abstract

ABSTRACT BACKGROUND AND OBJECTIVES: Scapular dyskinesis has been associated to shoulder injuries and pain. However, this relationship with adolescent athletes is not well established. The objective of this study was to evaluate scapular dyskinesis in young athletes and its association with pain or shoulder function. METHODS: 178 male adolescent athletes (14.58±2.16 years) were evaluated. The subjects completed the Quick Disability Arm Shoulder Hand questionnaire. Body mass, height, shoulder internal rotation and Closed Kinetic Chain Upper Extremity Stability test were measured. A dynamic visual method was applied to assess dyskinesis. Binary logistic regression was applied to analyze the association between dyskinesis and other variables. The comparison between groups with and without dyskinesis was made by the Mann-Whitney andt-test, accepting a statistical significance of p<0.05. RESULTS: The dyskinesis prevalence was 56.7% and this condition was not associated with shoulder pain. Younger athletes are 159% more likely to have dyskinesis, while those who practice more than one hour a day for three times a week are 77% more likely to have the same outcome. No difference in shoulder function was found. CONCLUSION: Scapular dyskinesis is not associated with pain and does not affect shoulder function in adolescent athletes. Sports modality, age and training volume seem to induce changes in scapula movement.

Highlights

  • Myers, Oyama e Hibberd[16] proposed to prospectively evaluate if scapular dyskinesis identified in the pre-season of adolescent baseball athletes could be a predisposing factor to the risk of shoulder injuries in athletes and could conclude that the dyskinesis presence does not increase the risk of upper limb lesions

  • Since motor skills can be influenced by factors such as strength, flexibility and muscular endurance, and these are improved over time, kinematic differences in the scapula and muscle action are found in children and adolescents athletes compared to adults[17,18,29]

  • Another limitation refers to the extrapolation of the results found, which is directed to male amateur athletes of the evaluated modalities

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Summary

Introduction

1. Universidade Federal da Paraíba, Departamento de Fisioterapia, João Pessoa, PB, Brasil. 2. Universidade de Pernambuco, Programa de Hebiatria, Recife, PE, Brasil. AND OBJECTIVES: Scapular dyskinesis has been associated to shoulder injuries and pain. This relationship with adolescent athletes is not well established. The objective of this study was to evaluate scapular dyskinesis in young athletes and its association with pain or shoulder function. METHODS: 178 male adolescent athletes (14.58±2.16 years) were evaluated. The comparison between groups with and without dyskinesis was made by the Mann-Whitney and t-test, accepting a statistical significance of p

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