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Heterogeneity of motor units activating single Golgi tendon organs in cat leg muscles

โœ Scribed by L. Jami; J. Petit

Book ID
104675949
Publisher
Springer-Verlag
Year
1976
Tongue
English
Weight
533 KB
Volume
24
Category
Article
ISSN
0014-4819

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โœฆ Synopsis

The aim of this study was to investigate whether an individual Golgi tendon organ can signal the contraction of motor units with different physiological properties. The axonal conduction velocity and tetanic tension of motor units were examined in four muscles of the cat leg (peroneus brevis, peroneus longus, tibialis anterior and soleus). The motor units which were found to activate a given tendon organ had contractile properties dispersed over the same range as those of the whole muscle population. The proportion of tendon organ-activating motor units found in the studied samples suggests that altogether, the Golgi tendon organs of a muscle monitor the contraction of every motor unit in this muscle.

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Association of tendon organs with spindl
Association of tendon organs with spindles in muscles of the cat's leg
โœ Marchand, R. ;Bridgman, C. F. ;Shumpert, E. ;Eldred, E. ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 770 KB

The incidence and patterns of association of tendon organs (TO's) with muscle spindles was studied in serial histological sections of the extensor digitorum brevis (EDB) muscles of an adult cat. Some observations were obtained from the medial gastrocnemius and soleus muscles of a second cat, and the