The Claim

The interindividual variability in non-exercise activity thermogenesis after weight loss in former elite athletes is large, with a standard deviation of individual response of 24 kcal/day at 12 months, exceeding the smallest worthwhile change of 87 kcal/day, suggesting measurement error or within-subject instability may dominate over true biological adaptation.

Source: Interindividual variability in metabolic adaptation of non-exercise activity thermogenesis after a 1-year weight loss intervention in former elite athletes

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
49score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Description
1 study reviewed
In plain English

After losing weight, former elite athletes show large differences in how much they move spontaneously, with variability in daily energy expenditure of 24 kcal/day at 12 months, which is smaller than the threshold for meaningful change (87 kcal/day), indicating that observed fluctuations are more likely due to measurement inconsistency than true biological change.

See the scientific wording

The interindividual variability in non-exercise activity thermogenesis after weight loss in former elite athletes is large, with a standard deviation of individual response of 24 kcal/day at 12 months, exceeding the smallest worthwhile change of 87 kcal/day, suggesting measurement error or within-subject instability may dominate over true biological adaptation.

Why this might work

After weight loss, the body's natural tendency to move without thinking — like fidgeting, standing, or shifting posture — changes randomly from day to day. These random changes in movement add up to big differences in how many calories are burned, and the changes are too inconsistent to be caused by a fixed biological adjustment.

Supported mechanismbased on 1 study

What the research says

1 study
  1. Study: Interindividual variability in metabolic adaptation of non-exercise activity thermogenesis after a 1-year weight loss intervention in former elite athletes

    After losing weight, some people moved a bit more or less, but the differences were so big and inconsistent that they probably weren’t real biological changes—just random noise in how movement was measured.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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