Key result
Resting muscle sympathetic nerve activity varies up to ~10-fold in young normotensive men.
Resting muscle sympathetic nerve activity exhibits high variability (5- to 10-fold) among young normotensive men.
Challenges direct MSNA-BP link in normotensive men; leaves open sympathetic role in long-term regulation.
What Is the Role of the Sympathetic Nervous System in Long-Term Blood Pressure Regulation in Young Normotensive Men?In normotensive young men, MSNA measured during rest can vary 5-to 10-fold, and there is substantial overlap in the
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Joyner et al. (2010) studied this question. Resting muscle sympathetic nerve activity can vary 5- to 10-fold in young normotensive men.