Thermoregulatory and metabolic responses to repeated bouts of prolonged cycle-ergometer exercise in man

• Autorzy: Kruk B. , Szczypaczewska M. , Opaszowski B. , Kaciuba-Uscilko H. , Nazar K.
• Języki publikacji: EN

Abstrakty

EN

Kruk. В., Szczypaczewska M., Opaszowski В., Kaciuba Uściłko H., Nazar K. Thermoregulatory and metabolic responses to repeated bouts of prolonged cycle-ergometer exercise in man. Acta Physiol. Pol., Changes in body temperature, oxygen uptake (VO₂ ), heart rate (HR), sweating rate and plasma osmolality were examined in 10 human subjects, performing four successive 30 min exercise-bouts of the same intensity (50% VO₂ max) separated by 30 min rest periods. In spite of the rest intervals and replacement of body fluid loss there was a progressive increase in VO₂ . HR, rectal (Tre) and mean body (Tb) temperatures in consecutive exercise bouts. The thermoregulatory efficiency showed an increasing tendency, and a delay in the sweating response at the beginning of each exercise was shortened. It is concluded that a drift in metabolic and temperature responses to exercise, reported throughout a long-term continuous work, occurs also in the euhydrated subjects performing a prolonged intermittent exercise. It is not caused by an impaired thermoregulation during exercise but rather by insufficient restitution of metabolic processes during rest intervals.

Słowa kluczowe

EN

man; thermoregulatory behaviour; metabolic response; ergometer; exercise; body temperature; heat production; oxygen uptake

• Wydawca: -
• Czasopismo: Acta Physiologica Polonica
• Rocznik: 1990
• Tom: 41
• Numer: 7
• Opis fizyczny: p.23-31,fig.,ref.

Twórcy

autor

Kruk B.

• Department of Applied Physiology, Medical Research Centre, Polish Academy of Sciences, Jazgarzewska 17, 00-730 Warsaw, Poland

autor

Szczypaczewska M.

• Department of Applied Physiology, Medical Research Centre, Polish Academy of Sciences, Jazgarzewska 17, 00-730 Warsaw, Poland

autor

Opaszowski B.

• Department of Physiology, Academy of Physical Education, Warsaw, Poland

autor

Kaciuba-Uscilko H.

• Department of Applied Physiology, Medical Research Centre, Polish Academy of Sciences, Jazgarzewska 17, 00-730 Warsaw, Poland

autor

Nazar K.

• Department of Applied Physiology, Medical Research Centre, Polish Academy of Sciences, Jazgarzewska 17, 00-730 Warsaw, Poland

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