The grand challenge to physiology, as was first described in an essay published in the
inaugural issue of Frontiers in Physiology in 2010, remains to integrate function from …

Cardiac parasympathetic activity may be non-invasively investigated using heart rate
variability (HRV), although HRV is not widely accepted to reflect sympathetic activity …

This brief review, which is based on a lecture presented at the American Physiological
Society Teaching Refresher Course on the Brain and Systems Control as part of the …

The accepted model of autonomic control of heart rate (HR) during dynamic exercise
indicates that the initial increase is entirely attributable to the withdrawal of parasympathetic …

Heat stress increases human morbidity and mortality compared to normothermic conditions.
Many occupations, disease states, as well as stages of life are especially vulnerable to the …

The dynamic embodiment of psychological processes is evident in the association of health
outcomes, behavioural traits and psychological functioning with Heart Rate Variability …

Autonomic nervous system adjustments to the heart and blood vessels are necessary for
mediating the cardiovascular responses required to meet the metabolic demands of working …

During dynamic exercise, mechanisms controlling the cardiovascular apparatus operate to
provide adequate oxygen to fulfill metabolic demand of exercising muscles and to guarantee …

Strenuous exercise and dehydrated states would be the causes of gastrointestinal
symptoms referred by 70% of the athletes. Gut ischemia would be the main cause of nausea …

The analysis of post-exercise cardiac autonomic recovery is a practical clinical tool for the
assessment of cardiovascular health. A reduced heart rate recovery–an indicator of …