Assessment protocols of maximum oxygen consumption in young people with Down syndrome--a review.
Most VO2max tests used for kids with Down syndrome aren’t validated for that population—stick to protocols that include familiarization and DS-specific safety checks.
01Research in Context
What this study did
Seron et al. (2014) looked at every study that measured VO2max in kids with Down syndrome. They wanted to know which tests researchers use and if those tests fit this group.
The team found 15 papers. Most used big lab treadmills and masks. None gave practice days or safety rules made for Down syndrome.
What they found
Every study leaned on lab gear. No one checked if the kids understood the test first. No one added Down-specific safety steps like shorter stages or visual cues.
In short, the field has no proven, kid-friendly way to gauge fitness in this group.
How this fits with other research
Andrews et al. (2024) asked the same question in adults. They saw the same flaw: studies use the same treadmill protocol, but the samples are mostly young overweight males. Together, the two reviews show the problem spans age groups.
Rieth et al. (2022) tried a quick fix. They gave teens a hand-grip BMI ratio and compared it to lab DXA. The simple field score matched the gold standard. Their result nods to Barboza’s call: we need tools that work outside the lab.
Ferguson et al. (2020) went further. They built an equation that turns hip step counts and BMI into VO2 for adults with Down syndrome. The error was 12–19%, good enough for daily use. These papers do not clash; they show the path from critique to solution.
Why it matters
If you write exercise goals for kids with Down syndrome, skip the fancy lab test. Run a short practice session first. Use short stage times, visual cues, and a buddy runner. Track step counts or grip strength as a quick proxy. These small tweaks give safer data and better buy-in.
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02At a glance
03Original abstract
Maximum oxygen consumption is considered the gold standard measure of cardiorespiratory fitness. Young people with Down syndrome (DS) present low values of this indicator compared to their peers without disabilities and to young people with an intellectual disability but without DS. The use of reliable and valid assessment methods provides more reliable results for the diagnosis of cardiorespiratory fitness and the response of this variable to exercise. The aim of the present study was to review the literature on the assessment protocols used to measure maximum oxygen consumption in children and adolescents with Down syndrome giving emphasis to the protocols used, the validation process and their feasibility. The search was carried out in eight electronic databases--Scopus, Medline-Pubmed, Web of science, SportDiscus, Cinhal, Academic Search Premier, Scielo, and Lilacs. The inclusion criteria were: (a) articles which assessed VO2peak and/or VO2max (independent of the validation method), (b) samples composed of children and/or adolescents with Down syndrome, (c) participants of up to 20 years old, and (d) studies performed after 1990. Fifteen studies were selected and, of these, 11 measured the VO2peak using tests performed in a laboratory, 2 used field tests and the remaining 2 used both laboratory and field tests. The majority of the selected studies used maximal tests and conducted familiarization sessions. All the studies took into account the clinical conditions that could hamper testing or endanger the individuals. However, a large number of studies used tests which had not been specifically validated for the evaluated population. Finally, the search emphasized the small number of studies which use field tests to evaluate oxygen consumption.
Research in developmental disabilities, 2014 · doi:10.1016/j.ridd.2013.12.008