Key result
Static leg extension in 11 healthy men significantly increased the low-frequency component of heart rate variability, which remained elevated during arrested leg circulation.
Why the study?
Does the muscle metaboreflex contribute to heart rate regulation during static exercise via sympathetic activation in healthy volunteers?
Population
11 healthy male volunteers
Comparison
4-minute static leg extension at 30% of maximal… vs Resting/control levels
Design
Other
Authors
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Muscle metaboreflex may drive sympathetic HR modulation during static exercise; leaves open relevance to patients with cardiovascular disease.
Does the muscle metaboreflex contribute to heart rate regulation during static exercise via sympathetic activation in healthy volunteers?
The muscle metaboreflex contributes to heart rate regulation during static exercise via sympathetic activation, while postexercise bradycardia is mediated by a baroreflex-induced increase in parasympathetic outflow.
Iellamo et al. (1999) studied Healthy (n=11). Static leg extension (SLE) and arrested leg circulation (ALC) vs. Resting/control levels was evaluated on Autonomic regulation of heart rate (HRV) and baroreflex sensitivity. Static leg extension in 11 healthy men significantly increased the low-frequency component of heart rate variability, which remained elevated during arrested leg circulation.
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