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Efficacy of an Audio-Based Biofeedback Intervention to Modify Running Gait in Female Runners.

PMID 36423619 (2023): ground reaction, foot strike — Running economy (study note for endurance athletes).

Last updated/Feb 23, 2026, 11:13 PM

Study note • PMID 36423619

Efficacy of an Audio-Based Biofeedback Intervention to Modify Running Gait in Female Runners.

Journal of sport rehabilitation2023 • DOI 10.1123/jsr.2022-0138
Evidence C56/100
Action 2: Consider

Worth trying if it fits your goal and context.

ELI5

In plain language

To determine whether instructing female recreational runners to "run quietly" could decrease impact force characteristics. (cohort study; recreational runners).

The abstract suggests a trade-off or negative effect affecting Running economy. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: To determine whether instructing female recreational runners to "run quietly" could decrease impact force characteristics.
  • The abstract suggests a trade-off or negative effect affecting Running economy.
  • Population: recreational runners.
  • Protocol cues (title/abstract): 1 week.

Protocol

Protocol (as reported)

  • Intervention/exposure: ground reaction, foot strike (vs comparison group).
  • Dose/time/duration cues in abstract/title: 1 week.
  • Outcomes: Running economy.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it helps, and who should skip it

Who it helps

  • Athletes similar to the study population (recreational runners) working on biomechanics.
  • Athletes who can measure Running economy with a repeatable workout or time-trial effort.

Who should skip

  • 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: cohort study.
  • Population: recreational runners.
  • Comparator: comparison group.
  • Outcomes measured: Running economy.
  • Protocol cues mentioned: 1 week.
  • Source: PubMed PMID 36423619 (2023) — Journal of sport rehabilitation.

Results excerpt

What the abstract reports

Vertical ground reaction force was lower at follow-up (2.30 bodyweights [BW]) versus baseline (2.39 BW, P = .023) and training (2.34 BW, P = .047).

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

Limits

Limitations & 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