Mechanics of breathing during exercise in men and women: sex versus body size differences?
نویسندگان
چکیده
Women have smaller airways and lung volumes and lower resting maximal expiratory flow rates relative to men. Female athletes develop expiratory flow limitation more frequently than male athletes, and they have greater increases in end-expiratory and end-inspiratory lung volume at maximal exercise. Women use a greater fraction of their ventilatory reserve and have a higher metabolic cost of breathing.
منابع مشابه
Physiological mechanisms of sex differences in exertional dyspnoea: role of neural respiratory motor drive.
NEW FINDINGS What is the central question of this study? Does the combination of a higher neural respiratory drive and greater dynamic mechanical ventilatory constraints during exercise in healthy women versus men form the mechanistic basis of sex differences in activity-related dyspnoea? What is the main finding and its importance? Sex differences in activity-related dyspnoea in health primari...
متن کاملHeliox breathing equally influences respiratory mechanics and cycling performance in trained males and females.
In this study we tested the hypothesis that inspiring a low-density gas mixture (helium-oxygen; HeO2) would minimize mechanical ventilatory constraints and preferentially increase exercise performance in females relative to males. Trained male (n = 11, 31 yr) and female (n = 10, 26 yr) cyclists performed an incremental cycle test to exhaustion to determine maximal aerobic capacity (V̇o2max; male...
متن کاملDysanapsis and the Resistive Work of Breathing during Exercise in 1 Healthy Men and Women
Sex differences in respiratory mechanics 1 DYSANAPSIS AND THE RESISTIVE WORK OF BREATHING DURING EXERCISE IN 1 HEALTHY MEN AND WOMEN 2 Paolo B. Dominelli, Yannick Molgat-Seon, Derek Bingham, Philippa M. Swartz, Jeremy D. 3 Road, Glen E. Foster and A. William Sheel 4 School of Kinesiology, University of British Columbia, Vancouver, BC, Canada 5 Department of Statistics and Actuarial Science, Sim...
متن کاملSex differences in the intensity and qualitative dimensions of exertional dyspnea in physically active young adults.
Understanding sex differences in the qualitative dimensions of exertional dyspnea may provide insight into why women are more affected by this symptom than men. This study explored the evolution of the qualitative dimensions of dyspnea in 70 healthy, young, physically active adults (35 M and 35 F). Participants rated the intensity of their breathing discomfort (Borg 0-10 scale) and selected phr...
متن کاملDysanapsis and the resistive work of breathing during exercise in healthy men and women.
We asked if the higher work of breathing (Wb) during exercise in women compared with men is explained by biological sex. We created a statistical model that accounts for both the viscoelastic and the resistive components of the total Wb and independently compares the effects of biological sex. We applied the model to esophageal pressure-derived Wb values obtained during an incremental cycle tes...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Exercise and sport sciences reviews
دوره 36 3 شماره
صفحات -
تاریخ انتشار 2008