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Title: The time course of selected outcome measures in healthy women aged 65-74 years when varying exercise frequency and duration of an exercise walking programme
Contributor(s): Smart, Neil  (author)orcid ; Morton, Richard H (author); Sabapathy, Surandren (author); Minahan, Clare (author); Gass, Gregory (author)
Publication Date: 2014
Open Access: Yes
DOI: 10.12715/har.2014.3.4Open Access Link
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Abstract: Background: We aimed to determine the time course of resting and exercise heart rates (HR); blood pressure (BP), changes in peak VO₂, time to exhaustion (TTE) and gas exchange threshold (Tge) at a constant weekly exercise time [120 mins] with counterbalanced variations in exercise duration (60 vs. 30min) and weekly visits (2 vs. 4 .wk⁻¹ session per week). Methods: Forty-six women aged 65-74 years were randomly assigned to 2 or 4 sessions.wk⁻¹) for six weeks. Results: Principal findings: (i) significant increase in Tge at six weeks, with no significant differences between exercise frequency or duration; (ii) no significant increase in peak values for VO₂, HR, minute ventilation and respiratory quotient after six weeks exercise training (iii) significant decreases in diastolic blood pressure (DBP) at rest and during exercise only in the 4 sessions.wk⁻¹ group and (iv) significant decrease in systolic blood pressure (SBP) during exercise and post-exercise period for both groups and rapid time course changes in HR and BP. Conclusions: Exercise elicited rapid reductions in HR and SBP during exercise and post-exercise recovery periods for both groups and there was no significant interaction between exercise duration and exercise frequency.
Publication Type: Journal Article
Grant Details: NHMRC/376601
Source of Publication: Healthy Ageing Research, 3(4), p. 1-9
Publisher: Longdom Publishing
Place of Publication: Barcelona, Spain
ISSN: 2261-7434
Field of Research (FOR): 110602 Exercise Physiology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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