Fluid ingestion attenuates the decline in VO(sub 2peak) associated with cardiovascular drift

Article Abstract:

A study investigates whether manipulation of cardiovascular drift (CV drift) by changing exercise duration or by fluid ingestion is associated with altered peak oxygen uptake, or VO(sub 2 peak). Results show the progressive decline in stroke volume (SV) during prolonged, constant-rate submaximal exercise in a warm environment reduces VO(sub 2 peak), and that fluid ingestion improves performance in prolonged exercise by mitigating the decline in SV and its determinants, and preserving VO(sub 2 peak).

Drinking (Physiology)

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Caffeinated sports drink: Ergogenic effects and possible mechanisms

Article Abstract:

A double-blind analysis was done to determine the impact of caffeinated sports drink during prolonged cycling in a warm environment on 16 highly trained cyclists. It was inferred that the carbohydrate-electrolyte sports drink (CES) + caffeinated sports drink (CAF) raises the provision of carbohydrate energy by maintaining blood glucose concentration during prolonged exercise.

Physiological aspects, Endurance sports, Cyclists, Isotonic beverages, Energy drinks

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V[O.sub.2peak] prediction and exercise prescription for pregnant women

Article Abstract:

A study was designed to develop and validate a prediction equation for peak oxygen consumption (V[O.sub.2peak]) using a progressive treadmill test and to refine the current target HR exercise guidelines for pregnancy. The defined target HR zones based on age and the appropriate fitness levels could be used for exercise prescription in healthy pregnant women.

Methods, Pregnant women, Heart beat, Heart rate, Clinical report

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