Population
Exteriorized rat spinotrapezius muscle (n=4)
Comparison
Bout of twitch contractions vs Rest (before contractions)
Design
Preclinical
Authors
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Augments O2 transfer mechanisms during contractions in animal models; leaves open translation to human physiology or clinical practice.
Contraction-induced alterations in capillary RBC flux and distribution augment convective and diffusive mechanisms for blood-myocyte O2 transfer, though initial rapid increases in velocity may transiently lower O2 diffusing capacity.
Kindig et al. (2002) studied this question.
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