What is it about?
Aging is intrinsically associated with a progressive decline in cardiorespiratory fitness (CRF) as measured by peak oxygen uptake (VO2peak). Improving CRF through physical activity contribute to better and healthy ageing. High-intensity interval training (HIIT) is a potent method of improving CRF among seniors, yet comparisons between this type of training and traditional endurance training (ET) are equivocal especially among older adults.
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Why is it important?
In pooled analysis of the RCTs, the VO2peak was significantly higher after ET sessions compared to controls (mean difference - MD = 1.35; 95% confidence interval - CI: 0.73 - 1.96). Furthermore, VO2peak was found significantly higher not only when compared HIIT with controls (MD = 4.61; 95% CI: 3.21 - 6.01), but also when compared HIIT with ET (MD = 3.76; 95% CI: 2.96 - 4.56).
Perspectives
HIIT and ET both elicit large improvements in the VO2peak of older adults aged 65 or over. When compared with ET, the gain in VO2peak was greater following HIIT. Nevertheless, further RCTs are therefore needed to confirm our results in senior's population.
Dr Walid Bouaziz
Geriatric Department, University Hospital, Strasbourg
Read the Original
This page is a summary of: Effect of High‐Intensity Interval Training and Continuous Endurance Training on Peak Oxygen Uptake Among Seniors Aged 65 or Older: A Meta‐Analysis of Randomized Controlled Trials, International Journal of Clinical Practice, February 2020, Wiley,
DOI: 10.1111/ijcp.13490.
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