Percorrer por autor "Vieira, Sofia de Oliveira"
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- The effects of neck pain on postural control variability in dental medicine students : a longitudinal studyPublication . Vieira, Sofia de Oliveira; Almeida, Manuel João Videira da Silva Barbosa deNeck pain is a common complaint among dental medicine students, resulting from sustained postures during clinical practice and potentially compromising postural control. However, the longitudinal effects of neck pain on postural control variability remain underexplored. This study aimed to analyze how the presence of neck pain influences postural control variability in dental medicine students over the course of three semesters of clinical training. Forty-four students initially participated in the study and were divided into two groups— with and without neck pain—based on the Nordic Musculoskeletal Questionnaire. Postural control was assessed using a force platform across eight distinct postural conditions, considering both anteroposterior and mediolateral components. Postural control variability was quantified using SampEn, calculated via a customized MATLAB script. Data were analyzed through a linear mixed-effects model, with fixed factors including group, time, postural position, cervical rotation, and visual condition. Results revealed that, over time, the neck pain group showed a progressive reduction in postural variability, reflecting a more rigid control pattern, especially under more demanding tasks such as tandem stance with eyes closed. These findings suggest that neck pain negatively affects the students’ ability to adapt posturally, highlighting the need for preventive strategies in academic and clinical settings.