Key result
Calf muscle stretch produced a further increase in diastolic blood pressure (2 to 3 mmHg) that was independent of the level of concurrent muscle metaboreflex activation.
Why the study?
Does calf muscle stretch alter cardiovascular responses during varying levels of muscle metaboreflex activation in human subjects?
Population
8 human subjects (7 males, 1 female)
Comparison
90 s of isometric calf plantarflexion at 0, 30… vs Rest and varying levels of contraction
Design
Other
Authors
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Calf stretch may augment diastolic BP independently; hypothesis-generating for exercise hemodynamics and requires confirmation before clinical consideration.
Does calf muscle stretch alter cardiovascular responses during varying levels of muscle metaboreflex activation in human subjects?
Cardiovascular responses to human calf stretch are independent of the level of concurrent muscle metaboreflex activation.
Fisher et al. (2005) studied this question. Calf muscle stretch during post-exercise circulatory occlusion vs. 0% maximum voluntary contraction (rest) condition was evaluated on Change in diastolic blood pressure (DBP) during stretch. Calf muscle stretch produced a further increase in diastolic blood pressure (2 to 3 mmHg) that was independent of the level of concurrent muscle metaboreflex activation.
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