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Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
Online ISSN 1827-1928
Hackett D. A., Johnson N. A., Chow C. M.
Discipline of Exercise and Sport Science, The University of Sydney, Lidcombe, Australia
AIM: The purpose of this study was to examine whether a high-volume compared to a low-volume whole-body resistance exercise session acutely impairs lung function.
METHODS: Fifteen competitive male bodybuilders (age 27.4 ± 5.4 y; body mass 89.7 ± 12.8 kg; stature 177.9 ± 4.8 cm), in a crossover trial, completed two resistance training protocols (high-volume: 5 sets per exercise; low-volume: 2 sets per exercise) and a control session (no exercise) on 3 separate occasions.
RESULTS: The physiological demands of the two resistance exercise sessions were significantly different as indicated by greater VE, VO2, and HR (P<0.05), and lower PETCO2 (P<0.05) responses for the majority of exercises during the high-volume compared to low-volume session. No significant differences were found for lung function measures (FVC, SVC, FEV1, FEV3, FEV6, IC, ERV, and MVV) between pre- and post-session for the low-volume and high-volume sessions.
CONCLUSION: The findings suggest that the ventilatory muscle demands of a strenuous resistance exercise session are not great enough to acutely affect indices of lung function.