ArticleJournal of intellectual disability research : JIDR2025
Accelerometer Output and Oxygen Uptake in Adults With and Without Down Syndrome: METs vs. Percent VO
Article in Journal of intellectual disability research : JIDR, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe estimation of physical activity (PA) and sedentary behaviour with accelerometers is typically based on the relationship between accelerometer output and metabolic equivalents (METs)-an index of PA intensity. But for adults with Down syndrome (DS), PA intensity may be better reflected in the percent oxygen uptake reserve (%VO
methodsForty-one adults with DS (age 35 ± 9 years; 18 women) and 41 adults without DS (age 24 ± 5 years; 18 women) performed 17 tasks of varying intensity. We estimated aerobic fitness with a submaximal treadmill test. We measured oxygen uptake with portable calorimetry and expressed it as METs and %VO
resultsFor the hip accelerometer, VM and the group-by-VM interaction significantly predicted METs (p < 0.001; conditional R
conclusionThe relationship between accelerometer output and %VO
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