ArticleJournal of applied physiology (Bethesda, Md. : 1985)2026
Initial contractions of a single-load fatiguing exercise provide a valid assessment of age-related differences in peak power.
Article in Journal of applied physiology (Bethesda, Md. : 1985), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Three-dimensional imaging reveals preserved intrinsic contractile function in aging human skeletal muscle fibers.bioRxiv : the preprint server for biology · 2026Article
- The other half of the sprinting coin: the neuromuscular profile of a 91-yr-old female world record sprinter.Journal of applied physiology (Bethesda, Md. : 1985) · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
Abstract
The "gold standard" for measuring peak muscle power outputs is a comprehensive torque-velocity assessment performed across a wide range of loads and contraction velocities. However, this approach requires multiple high-load efforts that place stress on the joints, is time-intensive, and is often impractical in large cohorts or in clinical populations such as very old adults. Furthermore, it remains unclear whether simplified protocols underestimate age- and sex-related differences in peak power. We compared peak knee extensor power derived from a torque-velocity assessment with that obtained from the initial 10 contractions of a single-load fatiguing task in young, old, and very old males and females. Thirty young (22.6 ± 2.2 yr, 15 females), 73 old (70.6 ± 4.7 yr, 33 females), and 16 very old adults (85.8 ± 4.2 yr, 9 females) completed a torque-velocity assessment (14 isokinetic velocities, 30-450°·s
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