Key result
Higher temperatures increase the energetic cost of maintaining isometric force in isolated frog muscle ~3-fold.
Population
Isolated frog muscle
Design
Preclinical
Authors
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Should not yet change clinical practice; leaves open translation of temperature effects on muscle energetics to mammals.
In isolated frog muscle, the energetic cost of maintaining isometric force increases with temperature (Q10 near 3), while the start-up cost decreases at higher temperatures.
Rome et al. (1983) studied Isolated frog muscle. Temperature variation (10, 20, and 30 degrees C) was evaluated on Energetic cost of generating isometric force (recovery O2 consumption and recovery lactate production). The energetic cost of maintaining isometric force in isolated frog muscle increased with temperature, demonstrating a temperature coefficient (Q10) near 3.
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