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Absolute changes in thoracic admittance (A) and muscle sympathetic nerve activity burst frequency (MSNA BF, B) in response to lower-body positive pressure (LBPP) applied at rest (hatched bars), LBPP applied during postexercise ischemia (PEI) following low (PEI-L; white bars)-, medium (PEI-M; gray bars)-, and high (PEI-H; black bars)-intensity isometric handgrip. §P < 0.05.
