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Diastolic oscillation in muscle tension and length

✍ Scribed by Katzung, Bert

Book ID
102880534
Publisher
Wiley (John Wiley & Sons)
Year
1964
Tongue
English
Weight
995 KB
Volume
64
Category
Article
ISSN
0095-9898

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✦ Synopsis

Recently Reiter ('61, '62a, '62b), described a mechanical phenomenon (which he called "after-contraction") in isolated surviving mammalian myocardium. This phenomenon consisted of reversible contraction-like variations in isometric tension occurring after the cessation of electrical stimulation and in the absence of detectable changes in transmembrane potential. Previously Schmidt and Chang ('61 ) had reported the occurrence of "second contractions" as an incidental side effect of rapidly lowering the temperature of isolated dog purkinje tissue. These second contractions appear to be identical with the after-contractions of Reiter. However Schmidt and Chang found that second contractions were associated with an extremely prolonged action potential and considered the phenomenon a manifestation of some toxic or pathological process associated with rapid induction of profound h ypothermia .

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The relation of isometric tension to len
The relation of isometric tension to length in skeletal muscle
✍ Banus, M. Garcia ;Zetlin, Arnold M. πŸ“‚ Article πŸ“… 1938 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 1020 KB

## EIGHT FIGURES I n isometrically recorded contractions of skeletal muscle, the initial, total, and developed tensions vary as the length of the muscle is changed. The initial tension, produced as the muscle at rest is stretched, does not follow Hooke's law of elastic bodies. The relation of the