Objective : This experimental study was designed to investigate the effect of Chaenomelis fructus herbal acupuncture on the soleus muscle and tibialis anterior muscle of hindlimb-suspended rats. The measurement have been performed on the composition of type I, type IIa and type IIb muscle fibers in the soleus muscle and tibialis anterior muscie - histochemical study.
Materials and Methods : Sprague-Dawley rats weighing about 250g were subjected to hindlimb suspension and divided into six groups;
1. Normal group: normai group
2. Control group: group of hindlimb suspension for 7 days
3. NT group: non-treatment group for 2 or 4 weeks after 7days of hindlimb suspension.
4. EX gtoup: running exercise group for 2 or 4 weeks after 7days of hindlimb suspension.
5. HA group: administration of Chaenomelis fructus herbal acupuncture during 2 or 4 weeks after 7 days of hindlimb suspension.
6. EXHA group: administration of Chaenomelis fructus herbal acupuncture and running exercise during 2 or 4 weeks after 7 days of hindlimb suspension.
Results
Results : 1. The composition of type I muscle fibers in the soleus muscle significantly increased in 2 or 4 weeks HA and EXHA groups more than control group, and the composition of type IIa muscle fibers in the soleus muscle significantly decreased in 2 or 4 weeks HA and EXHA goups more than control group.
2. The composition of type I muscie fibers in the tibialis anterior muscle significantly increased in 2 or 4 weeks HA and EXHA groups more than control group, and the composition of type IIb muscle fibers in the soleus muscle significantly decreased in 2 or 4 weeks HA and EXHA groups more than control group.
3. The size of type I muscle fibers in the soleus muscle significantly increased in 2 or 4 weeks HA and EXHA groups more than control group, and the size of type IIa muscle fibers in the soleus muscle significantly increased in 2 weeks EXHA group and 4 weeks HA and EXHA groups more than control group.
4. The size of type I, IIa muscle fibers in the tibialis anterior muscle significantly increased in 2 or 4weeks HA, EXHA and EX groups more than control group, and the size of type IIb muscle fibers significantly increased in 2 weeks EXHA group and 4 weeks HA, EXHA and EX groups more than control group.
5. The capiliaries number per fiber of muscle fibers in the soleus and tibialis anterior muscle showed no differences in all experimental groups more than control group.
Conclusion : According to the above results, it is shown that Chaenomelis fructus herbal acupuncture could be effective in the treatment of muscle atrophy.
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