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Study note

Association of weak hip abduction strength with nocturia in older women: The Nagahama study.

PMID 31475427 (2019): association, weak — Sleep quality, Recovery speed (study note for endurance athletes).

Updated Jul 22, 2026

Read the study note

Study note • PMID 31475427

Association of weak hip abduction strength with nocturia in older women: The Nagahama study.

Geriatrics & gerontology international2019 • DOI 10.1111/ggi.13761

How to use this page

This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.

  • Design signal: controlled study.
  • Population relevance: mixed/unclear athlete specificity.
  • Consistency: single-study evidence.
  • Practical recommendation depends on tolerance, context, and whether it protects training consistency.

ELI5

In plain language

Nocturia is a common phenomenon in older individuals, and is associated with poor quality of life. (controlled study; participants).

The abstract doesn’t indicate a clear change in Sleep quality under the tested conditions. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: Nocturia is a common phenomenon in older individuals, and is associated with poor quality of life.
  • The abstract doesn’t indicate a clear change in Sleep quality under the tested conditions.
  • Population: participants.
  • Protocol cues (title/abstract): 1 week.

Protocol

Protocol (as reported)

  • Intervention/exposure: association, weak.
  • Dose/time/duration cues in abstract/title: 1 week.
  • Outcomes: Sleep quality, Recovery speed.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it may help, and who should be cautious

Who it helps

  • Athletes similar to the study population (participants) working on sleep.
  • Athletes who can measure Sleep quality, Recovery speed with a repeatable workout or time-trial effort.

Who should be cautious

  • If you have symptoms or conditions that make the intervention risky, get professional guidance.
  • If you’re near race day and can’t safely test, defer the experiment.

Methods

What the study actually did

  • Design: controlled study.
  • Population: participants.
  • Outcomes measured: Sleep quality, Recovery speed.
  • Protocol cues mentioned: 1 week.
  • Source: PubMed PMID 31475427 (2019) — Geriatrics & gerontology international.

Results excerpt

What the abstract reports

Geriatr Gerontol Int 2019; 19: 1010-1016.

Note: excerpts are short; for full context, read the paper.

Limits

Limitations and bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

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Sources