Population
Skinned single fibres from rabbit psoas muscles
Comparison
Variations in the level of thin-filament… vs Control fibres at maximal activation or…
Design
Preclinical
Authors
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Biphasic shortening at submaximal Ca2+ in rabbit skeletal fibers; leaves open whether similar activation dependence governs cardiac myofilament velocity in vivo.
In rabbit skeletal muscle fibers, lower levels of calcium activation or partial extraction of troponin-C result in biphasic shortening and reduced maximum shortening velocity.
Richard L. Moss (1986) studied this question.
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