Previous studies have reported that motoneurons from the sixth spinal nerve (C6) innervate the majority of muscle fibers in the rat serratus anterior (SA) muscle. The seventh spinal nerve (C7) innervates a limited number of SA fibers, increasing caudally. This topographic map is partially reestablis
Rat diaphragm: Changes in muscle fiber type frequency with age
โ Scribed by Dr. Charlotte A. Maltin; Linda Duncan; Andrew B. Wilson
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 517 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0148-639X
No coin nor oath required. For personal study only.
โฆ Synopsis
This study demonstrates age-related changes in fiber type, distribution, and diameter that suggest that the diaphragm does not attain a static pattern of fiber type in adults. Furthermore, the progressive increase in the FG fiber diameters may be of importance in the interpretation of physiologic and biochemical parameters measured in the diaphragm muscle of animals of different age groups.
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