REPRODUCIBILITY OF MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION IN

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GHADERI FARIBA; ARAB A.M.; NOUDEHI MOGHADAM A.; RAHGOZAR MAHDI

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Journal: Pathobiology Research Year:2010 | Volume:13 | Issue:1 Page(s): 69-78

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Information Journal Paper

Title

REPRODUCIBILITY OF MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION IN "EMPTY CAN" POSITION DURING SURFACE ELECTROMYOGRAPHIC ANALYSIS OF SHOULDER MUSCLES

Author(s)

GHADERI FARIBA | ARAB A.M. | NOUDEHI MOGHADAM A. | RAHGOZAR MAHDI | Issue Writer Certificate

Keywords

ELECTROMYOGRAPHYQ3

MAXIMUM VOLUNTARY ISOMETRIC CONTRACTIONQ2

RELIABILITYQ3

SHOULDERQ3

Abstract

Objective: Due to the frequent use of surface ELECTROMYOGRAPHY as a tool for the study of muscle function, to accurately compare electromyographic data from different muscles and different subjects, it is necessary to normalize the integrated data obtained from each muscle. The most common normalization technique is the use of MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION (MVIC) of a predetermined isometric movement as the reference electromyographic signal. The purpose of this study was to determine the Reproducibility of MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION of SHOULDER muscles in Empty Can position test and the correlation between force and MVIC of SHOULDER muscles. Materials and Methods: The electromyographic activity of these four muscles (anterior and middle deltoid, upper and lower trapezius) was examined in 20 healthy subjects (10 men and 10 women with 31.25±8.92 age). Muscle force was determined by dynamometer. Each test repeated 3 times. Results: Results showed that same day test retest RELIABILITY coefficients were significant (ICC>95%), but separate day test retest RELIABILITY coefficients were not significant. Maximum muscle force did not relate to any of muscles MVIC amplitude. Conclusion: Reproducibility results may be due to electrode placement, emotional and physical condition of subjects and the large range of motion of SHOULDER and compensatory movements of SHOULDER and trunk.

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APA: Copy

GHADERI, FARIBA, ARAB, A.M., NOUDEHI MOGHADAM, A., & RAHGOZAR, MAHDI. (2010). REPRODUCIBILITY OF MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION IN "EMPTY CAN" POSITION DURING SURFACE ELECTROMYOGRAPHIC ANALYSIS OF SHOULDER MUSCLES. PATHOBIOLOGY RESEARCH (MODARES JOURNAL OF MEDICAL SCIENCES), 13(1), 69-78. SID. https://sid.ir/paper/81248/en

Vancouver: Copy

GHADERI FARIBA, ARAB A.M., NOUDEHI MOGHADAM A., RAHGOZAR MAHDI. REPRODUCIBILITY OF MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION IN "EMPTY CAN" POSITION DURING SURFACE ELECTROMYOGRAPHIC ANALYSIS OF SHOULDER MUSCLES. PATHOBIOLOGY RESEARCH (MODARES JOURNAL OF MEDICAL SCIENCES)[Internet]. 2010;13(1):69-78. Available from: https://sid.ir/paper/81248/en

IEEE: Copy

FARIBA GHADERI, A.M. ARAB, A. NOUDEHI MOGHADAM, and MAHDI RAHGOZAR, “REPRODUCIBILITY OF MAXIMUM VOLUNTARY ISOMETRIC CONTRACTION IN "EMPTY CAN" POSITION DURING SURFACE ELECTROMYOGRAPHIC ANALYSIS OF SHOULDER MUSCLES,” PATHOBIOLOGY RESEARCH (MODARES JOURNAL OF MEDICAL SCIENCES), vol. 13, no. 1, pp. 69–78, 2010, [Online]. Available: https://sid.ir/paper/81248/en

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