DEVELOPMENT AND VALIDATION OF A DEVICE FOR MEASURING FLEXIBILITY THROUGH ACCELEROMETER IN CHILDREN
DOI:
https://doi.org/10.1590/SciELOPreprints.6070Keywords:
Range of motion, flexibility, device, evaluationAbstract
The objectives of this study were to develop and validate a computerized device to measure joint flexibility; to measure flexibility in children in elementary school aged 8 to 10 years using the Wells bank; to compare the data obtained by the Wells bank and the computerized device developed in the present study and evaluate the usability of the device. 215 volunteers participated in this research, aged between 8 and 10 years, 63.72% (137) were female and 36.28% (78) were male, duly enrolled in an educational institution in the Alto Tietê region. For data collection, the volunteers performed the flexibility test using the Wells bank and the computerized device developed in this research to assess flexibility. The computerized device it was made on a 3D printing technology printer. A usability evaluation was carried out with 15 Physical Education teachers for the product developed through a usability questionnaire based on the System Usability Scale (SUS) form, which contains 10 multiple-choice questions. The data obtained by the objective measures determined were evaluated in terms of frequency, mean and standard deviation. The arithmetic means of the three measurements performed at each stage were calculated. Mann-Whitney and Kruskal-Wallis tests and Spearman's correlation were performed for the investigation. For all analyses, significant differences were considered p<0.05. It is concluded that the computerized device to measure joint flexibility is capable of evaluating the range of motion in degrees, and was qualified as easy to handle by professionals in the field of physical education.
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Copyright (c) 2023 Marilene Ferreira de Lima Oliveira, Alessandro Pereira da Silva, André Roberto Fernandes da Silva, Luan de Almeida Moura, Terigi A. Scardovelli, Silvia C. Martini, Silvia Regina Matos da Silva Boschi

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