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- W2018118175 abstract "PURPOSE: Although much research has been conducted examining cardiorespiratory fitness (VO2max) increases with endurance training, little insight and insufficient information is individually provided regarding a quantifiable dose-response relationship for older adults. The purpose of this investigation was to identify a quantitative dose-response relationship for improvement of VO2max in sedentary older adults, resulted from controlled aerobic exercise training. METHODS: We used a systematic meta-analysis approach to synthesize the existing scientific studies regarding the effect of controlled endurance training on aerobic fitness development in older adults. Fifty-one studies were qualified for the final analysis. A total of 2522 older subjects (mean age 67.45±5.25 yrs) were included with 1511 in the exercise group and 1012 in the control. Effect sizes were calculated for training-induced improvements in VO2max. RESULTS: The pooled standardized effect size showed an average effect of 0.64±0.05 (mean±SEM, 95% CI = 0.56 to 0.73; p<0.001) for VO2max. Effect sizes indicated different responses in improvements of VO2max based on the aerobic training regimens. Training with mean intensities of 60%-65% of heart rate reserve (HRR) produced a similar effect as intensities of 75%-80% of HRR in affecting VO2max. A mean exercise duration of approximately 45 minutes per session elicited maximal gains of VO2max. Trained individuals experienced a greater VO2max increase with a mean exercise frequency of 3 to 4 d.wk-1. Greater improvement in aerobic fitness was found to be associated with a mean training length of 30 to 40 weeks with the greatest gains in those who trained for approximately 36 weeks. CONCLUSIONS: This study presented a quantifiable dose-response relationship and trends related to controlled endurance training and aerobic fitness changes in older adults. The results provide insight into the magnitude of VO2max alterations as affected by exercise dose, a function of its intensity, duration, frequency, and training length. This information can be useful in the development and prescription of effective and safe exercise programs to benefit cardiovascular healthy aging for older adults." @default.
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- W2018118175 date "2009-05-01" @default.
- W2018118175 modified "2023-09-27" @default.
- W2018118175 title "Dose-response Relationship For Controlled Aerobic Training On Vo2max Improvement In Older Adults" @default.
- W2018118175 doi "https://doi.org/10.1249/01.mss.0000355678.91552.23" @default.
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