In vivo stiffness measurement and in silico stiffness prediction of biceps brachii muscle using an isometric contraction exercise

Title
In vivo stiffness measurement and in silico stiffness prediction of biceps brachii muscle using an isometric contraction exercise
Author
박준홍
Keywords
In vivo muscle stiffness; Isometric contraction; Dynamics characteristic; Hill-based muscle model
Issue Date
2016-06
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v. 30, NO 6, Page. 2881-2889
Abstract
Cadavers are often used to measure the material properties of muscle via the static tensile loading test. However, the mechanical properties of the cadaver are different from that of in vivo muscle. In this work, a new way to measure the stiffness of in vivo muscle was proposed based on a vibration test combined with measured electromyography (EMG) signals. The stiffness of the biceps brachii muscle during isometric contractions with various weights (0 - 11 kg) was measured from the vibration test utilizing support properties of a spring attached to a mass. The relationship between the load level, the EMG signal, and the muscle stiffness was investigated and a multiple- spring model for biceps brachii muscle was newly suggested. Also, simulation using a commercial bio-mechanics simulation software (LifeMOD) was conducted to verify the developed muscle spring model and the measured stiffness of the in vivo muscle. The in vivo stiffness of the biceps brachii measured experimentally agreed well with the simulation result.
URI
https://link.springer.com/article/10.1007%2Fs12206-016-0547-1http://repository.hanyang.ac.kr/handle/20.500.11754/72519
ISSN
1738-494X; 1976-3824
DOI
10.1007/s12206-016-0547-1
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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