Population
Muscle fibers in rigor (or activated) state
Comparison
Temperature jump of approximately 5 degrees C in… vs Relaxed fibers
Design
Preclinical
Authors
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Hypothesis-generating for rigor force mechanisms; leaves open physiological relevance in intact mammalian muscle.
Force generation in rigor muscle appears to arise from melting in the subfragment 2 hinge region of the myosin molecule.
Davis et al. (1987) studied this question.
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