Why the study?
Do objectively measured physical activity and sedentary time affect the risk of stroke, myocardial infarction, or all-cause mortality in 70-year-old individuals?
Do objectively measured physical activity and sedentary time affect the risk of stroke, myocardial infarction, or all-cause mortality in 70-year-old individuals?
Objectively measured light and moderate physical activity are associated with reduced risk of stroke, MI, and mortality in 70-year-olds, with moderate activity offering the greatest benefit and attenuating risks of sedentary time.
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Should not yet change practice in 70-year-olds; extends prior data with objective measures but leaves causality open.
Objectively measured LPA and MPA are each associated with lower risk of stroke, MI or all-cause mortality in 70-year-old individuals, while ST is associated with increased risk. The greatest risk reduction is observed for MPA, which also appears to attenuate some of the increased risks associated with ST.
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Ballin et al. (2020) studied this question.
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