Trial reportMedicine and science in sports and exercise2016
Ventilation Increases with Lower Extremity Venous Occlusion in Young Adults.
Trial report in Medicine and science in sports and exercise, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Influence of endogenous and exogenous hormones on the cardiovascular response to lower extremity exercise and group III/IV activation in young females.American journal of physiology. Regulatory, integrative and comparative physiology · 2024Article
- Menstrual phase does not influence ventilatory responses to group III/IV afferent signaling in eumenorrheic young females.Respiratory physiology & neurobiology · 2021Article
- Combined influence of inspiratory loading and locomotor subsystolic cuff inflation on cardiovascular responses during submaximal exercise.Journal of applied physiology (Bethesda, Md. : 1985) · 2020Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
introductionVenous distention via subsystolic occlusion of the lower limbs may augment ventilation via stimulation of group III/IV afferent neurons. PURPOSE: The purpose of this study was to examine the ventilatory response to graded lower extremity venous occlusion during exercise in healthy adults.
methodsNineteen adults (9 men, 25 ± 5 yr) completed two visits. Visit 1 included a maximal cycle ergometry exercise test. Visit 2 included a 30% peak workload cycle exercise with randomized inflations of bilateral thigh pressure tourniquets to 20, 40, 60, 80, and 100 mm Hg for 2 min each, separated by 2 min of deflation. Three minutes of cycling occurred before cuffing (control [CTL]). Expired minute ventilation (V˙E), whole body gas exchange, rating of perceived exertion, and dyspnea were measured during each session.
resultsV˙E increased significantly from the control condition (exercise only, CTL) to each occlusion pressure (P < 0.05) with the greatest increase at 100 mm Hg (CTL to 100 mm Hg: 31.5 ± 6.6 to 40.1 ± 10.7 L·min). Respiratory rate (RR) increased as well (CTL to 100 mm Hg: 24.8 ± 6.0 to 30.9 ± 11.5 breaths per minute, P < 0.05, condition effect) with no change in tidal volume (P > 0.05). Tidal volume to inspiratory time (VT/TI) increased significantly from the CTL condition to each occlusion pressure (CTL to 100 mm Hg: 1.5 ± 0.3 to 1.8 ± 0.4 L·min, P < 0.05, all pressures). Dyspnea and RPE increased with all occlusion pressures from CTL exercise (P < 0.05, all pressures).
conclusionsOur findings suggest that mild-to-moderate venous occlusion of the lower extremity evokes a tachypneic breathing pattern which, in turn, augments V˙E and perceived breathing effort during exercise.
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