Study note • PMID 37443458
Influence of Running Shoe Longitudinal Bending Stiffness on Running Economy and Performance in Trained and National Level Runners.
Worth trying if it fits your goal and context.
ELI5
In plain language
Previous results about shoe longitudinal bending stiffness (LBS) and running economy (RE) show high variability. (controlled study; trained runners).
The abstract doesn’t indicate a clear change in Running economy 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: Previous results about shoe longitudinal bending stiffness (LBS) and running economy (RE) show high variability.
- • The abstract doesn’t indicate a clear change in Running economy under the tested conditions.
- • Population: trained runners.
- • Protocol cues (title/abstract): 45 min • 34 min • 3 min • 13 km • 17 km • 3000 m.
Protocol
Protocol (as reported)
- • Intervention/exposure: influence, running (vs comparison group).
- • Dose/time/duration cues in abstract/title: 45 min • 34 min • 3 min • 13 km • 17 km • 3000 m.
- • 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 (trained 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: controlled study.
- • Population: trained runners.
- • Comparator: comparison group.
- • Outcomes measured: Running economy.
- • Protocol cues mentioned: 45 min • 34 min • 3 min • 13 km • 17 km • 3000 m.
- • Source: PubMed PMID 37443458 (2023) — Medicine and science in sports and exercise.
Results excerpt
What the abstract reports
“Increased LBS improved RE in the trained group at slow (11.41 +/- 0.93 W.kg -1 vs 11.86 +/- 0.93 W.kg -1 ) and fast velocity (15.89 +/- 1.24 W.kg -1 vs 16.39 +/- 1.24 W.kg -1 ) and only at the fast velocity…”
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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