Neural control of the cardiovascular system: Insights from muscle sympathetic nerve recordings in humans

Jere H. Mitchell, Ronald G. Victor

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

The regulation of the heart and peripheral circulation by the nervous system is accomplished by control centers in the medulla that receive descending input from higher neural areas in the brain and afferent input from mechanically and chemically sensitive receptors located throughout the body. The resultant changes in efferent sympathetic and parasympathetic activity allow rapid cardiovascular responses during a number of physiological perturbations including changes in posture, physical activity, temperature, altitude, and microgravity. The ability to record sympathetic nerve activity targeted to the skeletal muscle vasculature with intraneural microelectrodes has provided a powerful new tool to study fundamental mechanisms of neurocirculatory regulation in conscious human subjects. In the last three decades, microneurographic studies have shed new light on the reflex regulation of skeletal muscle sympathetic nerve activity by arterial baroreceptors, arterial chemoreceptors, and cardiopulmonary baroreceptors. In addition, microneurography is particularly well suited to study the regulation of muscle sympathetic nerve activity by skeletal muscle afferents and central neural drive (central command) during static exercise. This review highlights the experimental approaches using microneurography and some new conclusions concerning regulation of sympathetic nerve activity to the human skeletal muscle bed.

Original languageEnglish (US)
JournalMedicine and Science in Sports and Exercise
Volume28
Issue number10 SUPPL.
StatePublished - Oct 1996

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Cardiovascular System
Skeletal Muscle
Muscles
Pressoreceptors
Weightlessness
Aptitude
Peripheral Nervous System
Microelectrodes
Posture
Human Activities
Reflex
Temperature
Brain

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Orthopedics and Sports Medicine

Cite this

Neural control of the cardiovascular system : Insights from muscle sympathetic nerve recordings in humans. / Mitchell, Jere H.; Victor, Ronald G.

In: Medicine and Science in Sports and Exercise, Vol. 28, No. 10 SUPPL., 10.1996.

Research output: Contribution to journalArticle

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