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Weekly External Load Performance Effects on Sports Injuries of Male Professional Football Players.

PMID 36673875 (2023): injury, load — Injury risk (study note for endurance athletes).

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

Study note • PMID 36673875

Weekly External Load Performance Effects on Sports Injuries of Male Professional Football Players.

International journal of environmental research and public health2023 • DOI 10.3390/ijerph20021121
Evidence C56/100
Action 2: Consider

Worth trying if it fits your goal and context.

ELI5

In plain language

One of the most challenging issues professional football players face throughout their careers is injuries. (controlled study; participants).

The abstract doesn’t indicate a clear change in Injury risk 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: One of the most challenging issues professional football players face throughout their careers is injuries.
  • The abstract doesn’t indicate a clear change in Injury risk under the tested conditions.
  • Population: participants.
  • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.

Protocol

Protocol (as reported)

  • Intervention/exposure: injury, load (vs comparison group).
  • 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 (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: controlled study.
  • Population: participants.
  • Comparator: comparison group.
  • Outcomes measured: Injury risk.
  • Source: PubMed PMID 36673875 (2023) — International journal of environmental research and public health.

Results excerpt

What the abstract reports

Furthermore, the comparison between the +4T and S showed no significant variations in the GPS metrics.

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