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A review of uphill and downhill running: biomechanics, physiology and modulating factors.

PMID 41209300 (2025): injury, load — Injury risk (study note for endurance athletes).

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

Study note • PMID 41209300

A review of uphill and downhill running: biomechanics, physiology and modulating factors.

Frontiers in bioengineering and biotechnology2025 • DOI 10.3389/fbioe.2025.1690023
Evidence C56/100
Action 2: Consider

Worth trying if it fits your goal and context.

ELI5

In plain language

Graded running imposes distinct biomechanical and physiological demands compared with level running, which influences performance outcomes and injury risk. (review; runners).

In this review, the abstract reports associations 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: Graded running imposes distinct biomechanical and physiological demands compared with level running, which influences performance outcomes and injury risk.
  • In this review, the abstract reports associations involving Injury risk (not necessarily causation).
  • Population: runners.
  • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.

Protocol

Protocol (as reported)

  • Intervention/exposure: injury, load.
  • Dose/time/duration: abstract doesn’t include enough detail; use the full paper’s methods section.
  • 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 (runners) 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: review.
  • Population: runners.
  • Outcomes measured: Injury risk.
  • Source: PubMed PMID 41209300 (2025) — Frontiers in bioengineering and biotechnology.

Results excerpt

What the abstract reports

Forefoot striking reduces peak impact forces compared to rearfoot striking, especially in downhill running, helping to lower impact on the lower limbs.

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).
  • Reviews and consensus statements mix protocols and populations; recommendations may not match your exact constraints.
  • 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