Fatigue has been defined differently in the literature depending on the field of research. The
inconsistent use of the term fatigue complicated scientific communication, thereby limiting …

The first aim of this study was to compare an ambulatory five-lead ECG system with the
commercially available breast belt measuring devices; Polar S810i and Suunto t6, in terms …

Mental stress is accompanied by dynamic changes in autonomic nervous system (ANS)
activity. Heart rate variability (HRV) analysis is a popular tool for assessing the activities of …

OBJECTIVE: To investigate how risk of bias and intervention type modify effect sizes of
exercise interventions that are intended to reduce chronic low back pain intensity. DESIGN …

Objective In a difficult and demanding environment such as the operating room, the
individual workload response of physicians is of particular importance. The aim of this study …

Aim was to elucidate autonomic responses to dynamic and static (isometric) exercise of the
lower limbs eliciting the same moderate heart rate (HR) response. Method: 23 males …

This study investigated effects of caffeine ingestion (8 mg/kg) on maximum voluntary torque
(MVT) and voluntary activation of the quadriceps during isometric, concentric and eccentric …

Background Mental fatigue is a psychobiological state induced by sustained periods of
demanding cognitive activity and is characterized by feelings of tiredness which are …

In the present study, we investigated whether inter-individual differences in vagally mediated
heart rate variability (vmHRV) would be associated with inter-individual differences in …

Objective Psychosocial stress is associated with substantial morbidity and mortality.
Accordingly, there is a growing interest in biomarkers that indicate whether individuals show …