Population
Single twitch muscle fibers isolated from the semitendinosus muscle of Rana pipiens (n=16).
Comparison
Electrical stimulation and exposure to varying… vs Resting state and standard 1.0 mM Ca Ringer's…
Design
Preclinical
Authors
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These influx rates refine skeletal muscle Ca compartmental models; leaves open translation to mammalian cardiac excitation-contraction coupling.
In single twitch muscle fibers, calcium efflux follows a single exponential curve, indicating exchange with a single intracellular compartment that contains approximately 47% of total muscle calcium at 1.0 mM extracellular calcium.
Brian Curtis (1966) studied this question.
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