Comparison between the physiological response to roller skiing and in-line skating in biathletes

Article Abstract:

In-line skating may be a viable alternative to roller skiing for off-season training in Nordic disciplines. Heart rate, oxygen uptake, respiratory exchange ratio, and lactic acid concentration were similar three different levels of intensity. Although athletes were inexperienced in-line skaters, they were able to achieve the planned intensities. In-line skating may also offer the advantage of higher speeds than roller skiing.

Physiological aspects, Exercise, Metabolism, Skating, Roller-skating, Roller skating

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Cardiopulmonary limitations to exercise in restrictive lung disease

Article Abstract:

Functional disability of restrictive lung disease is often much more limiting than impairment in lung function would suggest. Diminished lung volume is controlled by lessened function of the alveolar-capillary unit, altered mechanical ventilatory function, and secondary cardiac and hemodynamic dysfunction. Pulmonary arterial hypertension is often a secondary development to increased pulmonary vascular resistance.

Health aspects, Research, Cardiac output, Lung diseases, Pulmonary hypertension

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