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Volume 26 |
October - December 2010 |
Number 4 |
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Published by : PROFESSIONAL MEDICAL PUBLICATIONS |
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Volume 26 |
October - December 2010 |
Number 4 |
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The effect of finger tip contact on the
electromyography activity of ankle musclesBazrafshan AR1, Okhovatian F2, Naeemi S3, Ghorbani M4
ABSTRACT
Objective: To investigate the effect of the light touch, vision and dual task interference on the surface electromyography (sEMG) activity of ankle muscles.
Methodology: Thirty right handed healthy persons stood in an upright and semi-tandem position and pressed the sensor plate in a rate less than 50 gr. sEMG activity was measured in three muscles (Tibialis Anterior, Proneus Longuse and Soleuse on both lower limbs by Biometrics sEMG). Four positions were considered in semi-tandem standing i.e.: 1) No Touch, No Counting; 2) No Touch, Counting; 3) Light Touch, No Counting; 4) Light Touch, Counting. Each of the above positions was tested in two positions by means of Eyes Open, Eyes Closed.
Results: sEMG activity of the ankle muscles was lower in the light touch contact (LTC) (P<0.05), but higher during no-counting than counting (P<0.05).
Conclusions: LTC and the concentration on counting, stimulate the Central Nervous System for activating the postural muscles of hip and trunk. So the amount of imposed force on ankle muscles will be reduced.
KEY WORDS:
Skin receptors, Balance, Superficial electromyography, Dual task.Pak J Med Sci October - December 2010 Vol. 26 No. 4 864-866
How to cite this article:
Bazrafshan AR, Okhovatian F, Naeemi S, Ghorbani M. The effect of finger tip contact on the electromyography activity of ankle muscles. Pak J Med Sci 2010;26(4):864-866
1. Bazrafshan AR, MSc PT,
Physiotherapist, International Branch.
2. Okhovatian F, PhD PT,
Professor of Physiotherapy, Deputy Director,
Physiotherapy Research Center.
3. Naeemi S, PhD PT,
Assistant Professor, Rehabilitation Faculty.
4. Ghorbani M, BSc Eng,
Software Engineering, Niro Research Institute.
1-3: Shaheed Beheshti University of Medical Sciences, Iran.
Correspondence:
Prof. Farshad Okhovatian
E-mail: farshad_okhovatian@hotmail.com
* Received for Publication: February 12, 2010
* Revision Received: July 17, 2010
* Second Revision Received: July 21, 2010
* Final Revision Accepted: July 22, 2010
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