Population
Isolated single muscle fibres from the lateral head of the tibialis anterior muscle of frogs (Rana temporaria)
Comparison
Staircase shortening vs Ramp shortening
Design
Preclinical
Authors
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Should not alter cardiac muscle models; leaves open in vivo relevance to myocardial efficiency.
In isolated frog muscle fibers, staircase shortening results in lower mechanical efficiency and higher heat dissipation compared to ramp shortening at the same velocity.
Linari et al. (1995) studied this question.
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