Why the study?
Do sex and age influence the physiological responses to lower-body negative pressure in adults?
Population
50 adults (21 women and 29 men), aged 29-56 years.
Comparison
-50 Torr lower body negative pressure (LBNP) vs Sex-based and age-based comparisons
Design
Cross-sectional
Authors
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Sex- and age-specific LBNP responses should not yet change practice; leaves open autonomic mechanisms for prospective study.
Do sex and age influence the physiological responses to lower-body negative pressure in adults?
Age and sex significantly influence circulatory responses to lower-body negative pressure, likely due to differences in autonomic nervous system regulation.
Frey et al. (1988) studied this question.