March 1, 1990Acta Physiologica Scandinavica
Cardiovascular and metabolic responses to static contraction in man
Why the study?
How does static contraction affect muscle blood flow and vascular resistance in healthy young men?
Population
4 healthy young men
Comparison
Static exercises at 15%, 25%, and 50% maximal… vs Rest
Design
Other
Authors
Discussion
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Member takes
Implication
May constrain muscle perfusion during static exercise; leaves open extension to patients or exercise prescriptions.
Structured PICO
How does static contraction affect muscle blood flow and vascular resistance in healthy young men?
P
Population
4 healthy young men
I
Intervention
Static exercises at 15%, 25%, and 50% maximal voluntary contractions (MVC)
C
Comparator
Rest
O
Outcome
Femoral venous flow (LBF) and mean arterial pressure (MAP)surrogate
During static exercise, muscle blood flow does not increase proportionally with contraction intensity, as neurally mediated vasoconstriction appears to override local metabolic vasodilation.
Cite This Study
Gaffney et al. (1990) studied this question.