Population
Frog muscle
Comparison
Tetanic contractions with shortening vs Isometric controls
Design
Preclinical
Authors
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May inform muscle energetics models; leaves open translation to mammalian or human physiology.
The reduction in relaxation heat after shortening in frog muscle tetanic contractions suggests a reversal of the exothermic process causing shortening heat.
Dickinson et al. (1973) studied this question.
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