Muscle Activation: Effects of Small Length Changes on Calcium Release in Single Fibers
- 12 September 1975
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 189 (4206), 881-884
- https://doi.org/10.1126/science.1154025
Abstract
In single muscle fibers, small (1 percent) changes of length have a marked effect of both the calcium activation and the tension elicited by a constant current stimulus. The decrease in tension with shortening is accounted for almost entirely by a decrease in calcium release, rather than by changes in mechanical factors, such as filament geometry.Keywords
This publication has 16 references indexed in Scilit:
- Length-Force Relation of Calcium Activated Muscle FibersScience, 1972
- Striated Muscle Fibers: Facilitation of Contraction at Short Lengths by CaffeineScience, 1971
- The Time Course of the Active State in Relation to Sarcomere Length and Movement Studied in Single Skeletal Muscle Fibres of the FrogActa Physiologica Scandinavica, 1971
- Excitation-Contraction Coupling in a Barnacle Muscle Fiber As Examined with Voltage Clamp TechniqueThe Journal of general physiology, 1968
- Calcium and muscle contractionProgress in Biophysics and Molecular Biology, 1968
- Calcium transients in single muscle fibersBiochemical and Biophysical Research Communications, 1967
- Neuromuscular physiology of giant muscle fibers of a barnacle, Balanus nubilus DarwinComparative Biochemistry and Physiology, 1963
- Extraction, Purification and Properties of Aequorin, a Bioluminescent Protein from the Luminous Hydromedusan, AequoreaJournal of Cellular and Comparative Physiology, 1962
- A STUDY OF INOTROPIC MECHANISMS IN THE PAPILLARY MUSCLE PREPARATIONThe Journal of general physiology, 1959
- The isometric length‐tension diagram of isolated skeletal muscle fibers of the frogJournal of Cellular and Comparative Physiology, 1940