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Study note

Running Economy: Neuromuscular and Joint-Stiffness Contributions in Trained Runners.

PMID 29809077 (2019): stride, biomechanics — Running economy (study note for endurance athletes).

Updated Jul 22, 2026

Read the study note

Study note • PMID 29809077

Running Economy: Neuromuscular and Joint-Stiffness Contributions in Trained Runners.

International journal of sports physiology and performance2019 • DOI 10.1123/ijspp.2018-0151

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: athlete/trained context.
  • Consistency: single-study evidence.
  • Practical recommendation depends on tolerance, context, and whether it protects training consistency.

ELI5

In plain language

To understand the relationship between certain neuromuscular and spatiotemporal biomechanical factors associated with running economy. (controlled study; trained runners).

The abstract reports an association involving Running economy (not necessarily causation). Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: To understand the relationship between certain neuromuscular and spatiotemporal biomechanical factors associated with running economy.
  • The abstract reports an association involving Running economy (not necessarily causation).
  • Population: trained runners.
  • Protocol cues (title/abstract): 3 m.

Protocol

Protocol (as reported)

  • Intervention/exposure: stride, biomechanics.
  • Dose/time/duration cues in abstract/title: 3 m.
  • Outcomes: Running economy.
  • 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 (trained runners) working on biomechanics.
  • Athletes who can measure Running economy 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: trained runners.
  • Outcomes measured: Running economy.
  • Protocol cues mentioned: 3 m.
  • Source: PubMed PMID 29809077 (2019) — International journal of sports physiology and performance.

Results excerpt

What the abstract reports

Lower ankle and greater knee stiffness were associated with lower oxygen consumption (r = .527, P = .007 and r = .384, P = .043, respectively).

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