Portal de investigação
Using Raw Accelerometer Data to Predict High-Impact Mechanical Loading
Data de publicação:
Autores da FMUP
Participantes de fora da FMUP
- Veras, L
- Diniz-Sousa, F
- Boppre, G
- Devezas, V
- Preto, J
- Vilas-Boas, JP
- Machado, L
- Oliveira, J
- Fonseca, H
Unidades de investigação
Abstract
The purpose of this study was to develop peak ground reaction force (pGRF) and peak loading rate (pLR) prediction equations for high-impact activities in adult subjects with a broad range of body masses, from normal weight to severe obesity. A total of 78 participants (27 males; 82.4 +/- 20.6 kg) completed a series of trials involving jumps of different types and heights on force plates while wearing accelerometers at the ankle, lower back, and hip. Regression equations were developed to predict pGRF and pLR from accelerometry data. Leave-one-out cross-validation was used to calculate prediction accuracy and Bland-Altman plots. Body mass was a predictor in all models, along with peak acceleration in the pGRF models and peak acceleration rate in the pLR models. The equations to predict pGRF had a coefficient of determination (R-2) of at least 0.83, and a mean absolute percentage error (MAPE) below 14.5%, while the R-2 for the pLR prediction equations was at least 0.87 and the highest MAPE was 24.7%. Jumping pGRF can be accurately predicted through accelerometry data, enabling the continuous assessment of mechanical loading in clinical settings. The pLR prediction equations yielded a lower accuracy when compared to the pGRF equations.
Dados da publicação
- ISSN/ISSNe:
- 1424-3210, 1424-8220
- Tipo:
- Article
- Páginas:
- -
- DOI:
- 10.3390/s23042246
Sensors Multidisciplinary Digital Publishing Institute (MDPI)
Documentos
- Não há documentos
Filiações
Keywords
- ground reaction force; loading rate; jumps; validation; biomechanics
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Citar a publicação
Veras L,Diniz F,Boppre G,Devezas V,Santos H,Preto J,Vilas JP,Machado L,Oliveira J,Fonseca H. Using Raw Accelerometer Data to Predict High-Impact Mechanical Loading. Sensors. 2023. 23. (4):2246. IF:3,900. (2).
