Study note • PMID 33071828
Influence of Shoe Mass on Performance and Running Economy in Trained Runners.
Low risk + high feasibility for most athletes.
ELI5
In plain language
The aim of this study was to assess the effects of adding shoe mass on running economy (RE), gait characteristics, neuromuscular variables and performance in a group of trained runners. (randomized trial; 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: The aim of this study was to assess the effects of adding shoe mass on running economy (RE), gait characteristics, neuromuscular variables and performance in a group of trained runners.
- • The abstract reports an association involving Running economy (not necessarily causation).
- • Population: trained runners.
- • Protocol cues (title/abstract): 7 days.
Protocol
Protocol (as reported)
- • Intervention/exposure: influence, shoe (vs control condition).
- • Dose/time/duration cues in abstract/title: 7 days.
- • 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: randomized trial.
- • Population: trained runners.
- • Comparator: control condition.
- • Outcomes measured: Running economy.
- • Protocol cues mentioned: 7 days.
- • Source: PubMed PMID 33071828 (2020) — Frontiers in physiology.
Results excerpt
What the abstract reports
“RE worsened with the increment of shoe mass (Control vs.”
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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