Key result
Motor-driven passive cycling decreased prefrontal oxygenated-hemoglobin concentration in proportion to pedal revolutions, suggesting mechanoafferent feedback decreases regional cerebral blood flow.
Why the study?
Does stimulation of limb mechanosensitive afferents during passive cycling decrease prefrontal oxygenation?
Population
19 subjects
Comparison
Motor-driven one- and two-legged passive cycling… vs Different revolutions of pedal movement and…
Design
Other
Authors
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May reduce prefrontal oxygenation during passive cycling; hypothesis-generating for mechanoafferent effects on cerebral hemodynamics.
Does stimulation of limb mechanosensitive afferents during passive cycling decrease prefrontal oxygenation?
Feedback from limb mechanoafferents during passive cycling decreases regional cerebral blood flow of the prefrontal cortex in relation to pedal revolution speed.
Asahara et al. (2018) studied this question. Motor-driven one- and two-legged passive cycling vs. Different revolutions and number of limbs was evaluated on Prefrontal oxygenated-hemoglobin concentration (Oxy-Hb) and tissue oxygenation index (TOI). Motor-driven passive cycling decreased prefrontal oxygenated-hemoglobin concentration in proportion to pedal revolutions, suggesting mechanoafferent feedback decreases regional cerebral blood flow.
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