Contractile properties and myosin phenotype of single motor units from neonatal rats.

doi:10.1152/ajpcell.1994.266.4.C919

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Article

Contractile properties and myosin phenotype of single motor units from neonatal rats.

The American journal of physiology - 1 Apr 1994

Nelson A G, Thompson W J

Abstract excerpt

The unloaded shortening velocity (Vus), twitch time to peak force (TTP), and myosin heavy chain (MHC) composition of motor units from soleus muscles of neonatal rats (7-8 and 16-18 days) were compared. The Vus range was from 2.2 to 7.1 fiber lengths (fl).s-1 and was unchanged from 7-8 to 16-18 da...

Topics

Animals
Animals, Newborn
Immunohistochemistry
Muscle Contraction
Muscles
Myosins
Phenotype
Rats
Rats, Wistar
Rest
Sarcomeres

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