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

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Author(s)
A. Smart, Neil
H. Morton, Richard
Sabapathy, Surendran
Minahan, Clare
C. Gass, Gregory
Year published
2014
Metadata
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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 ...
View more >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.
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View more >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.
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Journal Title
Healthy Aging Research
Volume
3
Issue
4
Copyright Statement
© 2014 Smart et al;. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Subject
Clinical sciences
Geriatrics and gerontology
Exercise physiology
Nursing
Public health
Applied and developmental psychology