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KMID : 1130920100140010001
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Journal of Korean Foot and Ankle Society
2010 Volume.14 No. 1 p.1 ~ p.4
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The Change of the Mechanoreceptors of Injured Achilles Tendon According to the Immobilization Periods
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유종민:Yoo Jong-Min
정진화:Chung Jin-Wha/윤기식:Yoon Ki-Syck/주인탁:Chu In-Tak
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Abstract
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Purpose: This study was designed to determine the quantitative changes of the numbers of the mechanoreceptors in the experimentally tenotomized Achilles tendon of rabbits as compared with short-term immobilization and long-term immobilization.
Materials and Methods: 14 white rabbits were used. After tenotomizing the right Achilles tendon, the subjects were divided into 2 groups according to the periods of immobilizaton. The left side of each Achilles tendon of the rabbits were used as controls. The tendons were stained with a modified gold-chloride method.
Results: The number of mechanoreceptor was significantly decreased in the tenotomized Achilles tendon group than the control group (p<0.01). There was no statistical difference between the two experimental groups in the numbers of the mechanoreceptors (p>0.01).
Conclusion: The injured Achilles tendons may more vulnerable to injury because of the decreased numbers of mechanoreceptors, but no difference between the periods of immobilization. It may suggest that post-operative immobilization period may not affect on the outcome of operative treatment from the viewpoint of mechanoreceptors.
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KEYWORD
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Mechanoreceptor, Achilles tendon, Immobilization
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