Imperial College London
Alternate

Anthony M J Bull FREng

Faculty of Engineering, Department of Bioengineering

Professor of Musculoskeletal Mechanics
 
 
 
//

Contact

 

+44 (0)20 7594 5186a.bull Website

 
 
//

Location

 

Uren 514aSir Michael Uren HubWhite City Campus

//

Summary

 

Publications

Citation

BibTex format

@article{Ding:2019:10.1109/TBME.2018.2865614,
author = {Ding, Z and Azmi, NL and Bull, AMJ},
doi = {10.1109/TBME.2018.2865614},
journal = {IEEE Transactions on Biomedical Engineering},
pages = {892--897},
title = {Validation and use of a musculoskeletal gait model to study the role of functional electrical stimulation},
url = {http://dx.doi.org/10.1109/TBME.2018.2865614},
volume = {66},
year = {2019}
}
Download

RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Objective: Musculoskeletal modeling has been used to predict the effect of functional electrical stimulation (FES) on the mechanics of the musculoskeletal system. However, validation of the resulting muscle activations due to FES is challenging as conventional electromyography (EMG) recording of signals from the stimulated muscle is affected by stimulation artefacts. A validation approach using a combination of musculoskeletal modeling and EMG was proposed, whereby the effect on nonstimulated muscles is assessed using both techniques. The aim is to quantify the effect of FES on biceps femoris long head (BFLH) and validate this directly against EMG of gluteus maximus (GMAX). The hypotheses are that GMAX activation correlates with BFLH activation; and the muscle activation during FES gait can be predicted using musculoskeletal modeling. Methods: Kinematics, kinetics, and EMG of healthy subjects were measured under four walking conditions (normal walking followed by FES walking with three levels of BFLH stimulation). Measured kinematics and kinetics served as inputs to the musculoskeletal model. Results: Strong positive correlations were found between GMAX activation and BFLH activation in early stance peak (R = 0.78, p = 0.002) and impulse (R = 0.63, p = 0.021). The modeled peak and impulse of GMAX activation increased with EMG peak (p <; 0.001) and impulse (p = 0.021). Conclusion: Musculoskeletal modeling can be used reliably to quantify the effect of FES in a healthy gait. Significance: The validation approach using EMG and musculoskeletal modeling developed and tested can potentially be applied to the use of FES for other muscles and activities.
AU  - Ding,Z
AU  - Azmi,NL
AU  - Bull,AMJ
DO  - 10.1109/TBME.2018.2865614
EP  - 897
PY  - 2019///
SN  - 0018-9294
SP  - 892
TI  - Validation and use of a musculoskeletal gait model to study the role of functional electrical stimulation
T2  - IEEE Transactions on Biomedical Engineering
UR  - http://dx.doi.org/10.1109/TBME.2018.2865614
UR  - https://ieeexplore.ieee.org/document/8452973
UR  - http://hdl.handle.net/10044/1/63405
VL  - 66
ER  -
Download