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ARUP; ISBN: 978-0-9562121-5-3 - CMBBE 2012 - Cardiff University

ARUP; ISBN: 978-0-9562121-5-3 - CMBBE 2012 - Cardiff University

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symmetrical hand loads. The raw EMG signals from the experiment were processed<br />

and analyzed for EMG parameters: Mean Power Frequency (MPF), Median Frequency<br />

(MF), mean Root Mean Square (mRMS) and peak Root Mean Square (pRMS). Sample<br />

of results from the experiment for the male subject 1 are given: MPF (Fig. 4) and MF<br />

(Fig. 5).<br />

Fig. 4 Mean Power Frequency: Right Side Erector Spinae (RTES), Left Side Erector<br />

Spine (LTES), Right Side Multifidii (RTMI) and Left Side Multifidii (LTMI)<br />

Fig. 5 Median Frequency: Right Side Erector Spinae (RTES), Left Side Erector Spine<br />

(LTES), Right Side Multifidii (RTMI) and Left Side Multifidii (LTMI)<br />

5. REFERENCES<br />

1. Chaffin, D. B., and Anderson, G. B. J., Occupational biomechanics, 2nd Edn, John<br />

Wiley & Sons, Inc, 1999.<br />

2. Kuo C. S., Hu, H. T., Lin, R. M., Huang, K. Y., Lin, P. C., Zhong, Z. C., and Hseish,<br />

M. L., Biomechanical analysis of the lumbar spine on facet joint force and<br />

intradiscal pressure? A finite element study, BMC Musculoskeletal Disord., 2010<br />

Vol. 11, 151.<br />

3. Kim, H. S., Choi, J. W., Chang, S. H., Lee, K. S., and Oh, J. Y., Treatment Duration<br />

and Cost of Work-related Low Back Pain in Korea, J Korean Med Sci., 2005, Vol.<br />

20, 127-31.

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