PercentHR(sub)max target heart rate is dependent on heart rate performance curve deflection

Article Abstract:

Results point out that the percent heart rate (sub)max estimated from target training experimental data may be an overestimate in that the heart rate response tends to be irregular. Data suggest that use of lactate and heart rate turn points may be more relevant for exercise training prescription.

Austria, Statistical Data Included, Research, Usage, Physiological aspects, Exercise, Exercise physiology, Weight training, Ergometry

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Beta1-adrenoceptor mediated origin of the heart rate performance curve deflection

Article Abstract:

The influence of the highly selective Beta1-adrenoceptor (Beta1-AR) antagonist bisoprolol (Bi) on the heart rate performance curve (HRPC) in young healthy male subjects with different heart rate (HR) response patterns is examined. Findings suggest that differences between the subjects with regular s-shaped versus non-regular HRPC might be due to differences at the Beta1-AR site.

Beta adrenoceptors, Adrenergic beta receptors

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Menstrual cycle: no effect on exercise cardiorespiratory variables or blood lactate concentration

Article Abstract:

The findings of a study on the effect of the menstrual cycle on cardiorespiratory responses and blood lactate are presented.

Menstrual cycle

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