Key result
Static leg exercise did not increase muscle sympathetic nerve activity, but rather decreased it by 23% during the first minute at 10% MVC (P<0.05), in contrast to static handgrip.
Why the study?
Does static leg exercise elicit different muscle sympathetic nerve activity responses compared to static handgrip?
Population
Human subjects (n=18 for 10% MVC SLE, n=8 for SHG vs SLE comparison, n=6 for simultaneous arm/leg MSNA)
Comparison
Static leg exercise at 10%, 20%, and 30% of… vs Static handgrip at 30% MVC and resting control…
Design
Other
Authors
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Static leg exercise may suppress MSNA at low intensity unlike handgrip; leaves open differential sympathetic control across limbs for future physiologic studies.
Does static leg exercise elicit different muscle sympathetic nerve activity responses compared to static handgrip?
p-value: p=<0.05
Static leg exercise does not increase muscle sympathetic nerve activity in the same manner as static handgrip, despite similar cardiovascular pressor responses.
Ray et al. (1992) studied this question. Static leg exercise (SLE) vs. Static handgrip (SHG) and resting control was evaluated on Muscle sympathetic nerve activity (MSNA) (p=<0.05). Static leg exercise did not increase muscle sympathetic nerve activity, but rather decreased it by 23% during the first minute at 10% MVC (P<0.05), in contrast to static handgrip.
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