Exercise prescribed according to relative intensity is a routine feature in the exercise science
literature and is intended to produce an approximately equivalent exercise stress in …

The ability of the cardiorespiratory system (heart, lungs, blood) to deliver oxygento
exercising skeletal muscle constrains maximum oxygen consumption V˙ O 2 max, with …

Chronic liver disease (CLD) is associated with muscle wasting, reduced exercise tolerance
and aerobic capacity (AC). Measures of AC determined with cardiopulmonary exercise …

We measured the distance 112 patients walked in 6 min, as well as their peak oxygen
consumption pedalling a bicycle, week before scheduled resection of benign or malignant …

Exercise and training prescription in endurance-type sports has a strong theoretical
background with various practical applications based on threshold concepts. Given the …

Purpose: Ketosis, achieved through ingestion of ketone esters, may influence endurance
exercise capacity by altering substrate metabolism. However, the effects of ketone …

Purpose The short-term scaling exponent alpha1 of detrended fluctuation analysis (DFA-a1)
of heart rate variability (HRV) has shown potential to delineate the first ventilatory threshold …

Purpose To provide a large reference material on key cardio-respiratory variables in a
healthy population of Norwegian men and women aged 20–90 years. Methods Sub maximal …

The main purpose of this study was to determine the relative contributions of the aerobic and
glycolytic systems during an incremental exercise test (IET). Ten male recreational long …

The problem of the automatic determination of the first and second ventilatory thresholds
(VT1 and VT2) from cardiopulmonary exercise test (CPET) still leads to controversy. The …