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The effect of short and long term aerobic training on exercise capacity and tissue oxygenation in young (18 - 30 yr) and older (40 - 60 yr) men and women
Dissertation   Open access

The effect of short and long term aerobic training on exercise capacity and tissue oxygenation in young (18 - 30 yr) and older (40 - 60 yr) men and women

Gavin L Buzza
University of the Sunshine Coast, Queensland
Doctor of Philosophy, University of the Sunshine Coast
2018
DOI:
https://doi.org/10.25907/00500
pdf
The effect of short and long term aerobic training on exercise capacity and tissue oxygenation in young (18 - 30 yr) and older (40 - 60 yr) men and women2.82 MBDownloadView
Thesis Open Access

Abstract

aerobic training V̇O2peak oxygenation
Aerobic exercise training increases peak aerobic capacity (V̇O2peak) in previously untrained adults. Despite there being a dose-response relationship for increases in V̇O2peak and the duration (weeks) and volume (intensity, duration and frequency) of training, V̇O2peak plateaus within 12 - 24 months of aerobic exercise training. Whether V̇O2peak can be further increased by additional training years independent of training load is yet to be investigated. Furthermore, while increases in V̇O2peak result from improved delivery of O2 to, and/or extraction of O2 by active muscles, the contribution which improved tissue O2 extraction could have on increases in V̇O2peak are unconfirmed. A series of four independent but related cross-sectional studies were conducted to investigate the difference in systemic O2 utilisation (V̇O2), and tissue O2 extraction (HHb) between short and long-term aerobically-trained young and older men and women, who were matched for age and current training load.

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