Aging is characterized by functional decline in homeostatic regulation and vital cellular
events. This process can be linked with the development of cardiovascular diseases (CVDs) …

Bedridden patients usually stay in bed for long periods, presenting several motor problems
caused by immobility, such as reductions in muscle mass, bone mineral density and …

Background Cardiac arrhythmia is a cardiovascular disorder characterized by disturbances
in the heartbeat caused by electrical conduction anomalies in cardiac muscle. Clinically …

The aim of this study was to analyze the relationship between competitive anxiety and heart
rate variability (HRV) in swimming athletes. A total of 66 volunteers (41 male and 27 female) …

Background Aging is associated with decreased autonomic balance which could be
assessed by Heart Rate Variability (HRV). Exercise training improves autonomic balance …

Objective The purpose of this study was to correlate the heart rate variability (HRV) indices
with variables of pain that were experienced by individuals with chronic neck pain. Methods …

Heart rate variability (HRV) among other methods can be used to assess diabetic cardiac
autonomic neuropathy by cardiac intervals were recorded. However, the amount of error …

Prolonged, disabling fatigue is the hallmark of chronic fatigue syndrome (CFS). Previous
neuroimaging studies have provided evidence for nervous system involvement in CFS …

OBJECTIVE: The reliability of heart rate variability (HRV) analysis is not yet fully understood,
especially considering different body positions and the mathematical influence of heart rate …

Changes in cardiac autonomic regulation, expressed by increased sympathetic activity and
decreased heart rate variability, have an important relationship with the onset of lethal …