Cardiovascular responses to combined mechanoreflex and metaboreflex activation in healthy adults: effects of sex and low- versus high-hormone phases in females
Jordan B. Lee, Kyle M.A. Thompson, André L. Teixeira, Jamie F. Burr, Philip J. Millar
Abstract
The muscle mechanoreflex may be sensitized by metabolites during exercise. We show that cardiovascular responses to combined mechanoreflex (passive cycling) and metaboreflex (postexercise circulatory occlusion) activation are primarily additive and do not differ between males and females, or across variations in sex hormones in females. Our findings provide new insight into the contributions of muscle mechanoreflex-metaboreflex interactions as a cause for prior reports that females have smaller blood pressure responses to voluntary exercise.
Topics & Concepts
Circulatory systemHormoneInternal medicineBlood pressureMedicineEndocrinologyCardiologyCardiovascular physiologyPhysiologyHeart Rate Variability and Autonomic ControlCardiovascular and exercise physiologyHigh Altitude and Hypoxia