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Preventing lower extremity injury in elite orienteerers: study protocol for a randomised controlled trial.

PMID 29707231 (2018): injury, load — Injury risk (study note for endurance athletes).

Last updated/Feb 23, 2026, 10:34 PM

Study note • PMID 29707231

Preventing lower extremity injury in elite orienteerers: study protocol for a randomised controlled trial.

BMJ open sport & exercise medicine2018 • DOI 10.1136/bmjsem-2018-000347
Evidence C66/100
Action 2: Consider

Worth trying if it fits your goal and context.

ELI5

In plain language

BACKGROUND: The high physical load associated with running through uneven terrain contributes toorienteerers being exposed to high injury risk, where the majority of injuries are located in the lower extremities. (randomized trial; elite participants).

The abstract reports an association involving Injury risk (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: BACKGROUND: The high physical load associated with running through uneven terrain contributes toorienteerers being exposed to high injury risk, where the majority of injuries are located in the lower extremities.
  • The abstract reports an association involving Injury risk (not necessarily causation).
  • Population: elite participants.
  • Protocol cues (title/abstract): 4 weeks • 14 weeks • 10 min.

Protocol

Protocol (as reported)

  • Intervention/exposure: injury, load (vs control group).
  • Dose/time/duration cues in abstract/title: 4 weeks • 14 weeks • 10 min.
  • Outcomes: Injury risk.
  • 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 (elite participants) working on injury risk.
  • Athletes who can measure Injury risk 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: elite participants.
  • Comparator: control group.
  • Outcomes measured: Injury risk.
  • Protocol cues mentioned: 4 weeks • 14 weeks • 10 min.
  • Source: PubMed PMID 29707231 (2018) — BMJ open sport & exercise medicine.

Results excerpt

What the abstract reports

The primary outcome is number of substantial injuries in the lower extremity.

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