Eventos Anais de eventos
ENEBI 2018
6º Encontro Nacional de Engenharia Biomecânica
MUSCLE FORCES ESTIMATION DURING THE SINGLE LEG TRIPLE HOP TEST USING OPENSIM
Submission Author:
LUCIANO MENEGALDO , RJ , Brazil
Co-Authors:
Paulo Lucareli, LUCIANO MENEGALDO
Presenter: LUCIANO MENEGALDO
doi://10.26678/ABCM.ENEBI2018.EEB18-0082
Abstract
In this paper, we estimated the distribution of activation and muscle forces in the preparatory phase of single leg triple hop test (SLTHT). SLTHT used for knee function assessment, by measuring the jump length. Ten physically active young women participated in the research, by performing the SLTHT while measuring, in the propulsion phase of the task, ground reaction forces, EMG, and kinematics, using an optoelectronic system (BTS-Smart). Three-dimensional markers trajectories were imported in OpenSim, and joint angles calculated using the inverse kinematics tool. Joint torques were calculated by inverse dynamics. Muscle activation and forces obtained by two techniques: Computed Muscle Control (CMC) and Static Optimization (SO), after a Residual Reduction Analysis (RRA). Joint torques have shown to be plausible, and muscles synergies from both methods were coherent with the measured electromyography (EMG). Compared to EMG profiles, Static Optimization associated with Residual Reduction Analysis outperformed CMC estimations.
Keywords
triple hop test, inverse dynamics, static optimization, computed muscle control, OpenSim
