Key result
Repeated step changes in exercise contraction intensity resulted in immediate and symmetrical adjustments in forearm blood flow during Slow and Fast protocols, but not Very Fast oscillations.
Why the study?
Does forearm blood flow rapidly adjust to repeated increases and decreases in exercise intensity during dynamic handgrip contractions in healthy adults?
Population
13 healthy individuals (6 men, 7 women), mean age 24.4+/-1.3 years
Comparison
Continuous dynamic forearm handgrip contractions… vs Comparison between different oscillation protocols
Design
Other
Authors
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Supports frequency-dependent vasoregulation in exercising muscle; leaves open mechanisms and clinical translation.
Does forearm blood flow rapidly adjust to repeated increases and decreases in exercise intensity during dynamic handgrip contractions in healthy adults?
Vasoregulatory mechanisms in human skeletal muscle can rapidly and symmetrically adjust blood flow to step changes in contraction intensity, except during very fast oscillations.
Rogers et al. (2006) studied Healthy adults (n=13). Repeated step changes in exercise contraction intensity was evaluated on Forearm blood flow (FBFrelax) during relaxation phase. Repeated step changes in exercise contraction intensity resulted in immediate and symmetrical adjustments in forearm blood flow during Slow and Fast protocols, but not Very Fast oscillations.
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