Aquatic interval training results leave the frequency question open
An older-adult trial reported improvements only with twice-weekly sessions, but did not provide the direct comparison needed to establish a better schedule.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Only the twice-weekly group had statistically significant improvements in sleep quality, daytime sleepiness, anxiety and depression. The abstract does not give the direct differences between schedules, so it cannot establish that twice-weekly sessions were better, or that weekly sessions offered no benefit, for these older adults with multiple conditions.
The abstract omits total training duration, outcome scales and direct between-group estimates. Its percentages cannot be interpreted as clinical recovery rates, and results are specific to older adults with multiple health conditions.
What was compared
Both groups used the same aquatic exercises, session format and intensity. Sleep and mental-health outcomes were assessed 48 hours after the last session, but the abstract does not state the program's total length.
Why the distinction matters
Reporting significant changes only for one schedule does not, by itself, show that the schedules differ. A direct between-group estimate is needed to assess the frequency question; the abstract does not provide one.
The original publication
Effects of HIIT at different frequencies in an aquatic environment on mental health in multimorbid older people: A randomized clinical trial.
da Silva VOS, Thirupathi A, Macedo RADS et al.
Clinics (Sao Paulo) · 2025
- PubMed ID
- 41076795
- Record checked
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