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Journal of the Korean Academy of Rehabilitation Medicine 1997;21(1):186-193.
A Histochemical Changes of Calf Muscle Fibers after Rat Hindlimb Suspension.
Jung, Han Young , Lee, Jun Ki , Kang, Yoon Koo
1Department of Rehabilitation Medicine, Inha University College of Medicine, Korea.
2Department of Rehabilitation Medicine, Korea University College of Medicine, Korea.
백서 뒷다리 부유에 의한 장단지근육의 조직생화학적 변화
정한영, 이준기, 강윤규*
인하대학교 의과대학 재활의학교실, 고려대학교 의과대학 재활의학교실*

The purpose of this study was to investigate alterations in his tochemical properties in the gastrocnemius & soleus muscles of rats following hindlimb suspension for 1 week. A modification of the Morey and Musacchia models was used to determine atrophic responses of rat muscle. The weights of rat's whole body and of gastrocnemius and soleus muscles were affected by suspension. A reduction of type I distribution was accompanied by an increase in type II fibers. The cross sectional area of all fiber types was reduced after suspension. These results suggest that type I fibers showed greater susceptibility than type II fibers and some amount of type I fibers might have been converted to type II fibers.

Key Words: Hindlimb, Muscle fiber, Suspension, Histochemical study
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