Study note • PMID 18841078
The acute effects of dynamic and ballistic stretching on vertical jump height, force, and power.
How to use this page
This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.
- • Design signal: randomized trial.
- • Population relevance: athlete/trained context.
- • Consistency: single-study evidence.
- • Practical recommendation depends on tolerance, context, and whether it protects training consistency.
ELI5
In plain language
Stretching before performance is a common practice among athletes in hopes of increasing performance and reducing the risk of injury. (randomized trial; athletes).
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: Stretching before performance is a common practice among athletes in hopes of increasing performance and reducing the risk of injury.
- • The abstract doesn’t indicate a clear change in Injury risk under the tested conditions.
- • Population: athletes.
- • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.
Protocol
Protocol (as reported)
- • Intervention/exposure: stretch, stretching.
- • 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 may help, and who should be cautious
Who it helps
- • Athletes similar to the study population (athletes) working on mobility.
- • Athletes who can measure Injury risk with a repeatable workout or time-trial effort.
Who should be cautious
- • 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: athletes.
- • Outcomes measured: Injury risk.
- • Source: PubMed PMID 18841078 (2008) — Journal of strength and conditioning research.
Results excerpt
What the abstract reports
“A paired samples t-test revealed no significant difference in jump height, force, or power when comparing no stretch with ballistic stretch.”
Note: excerpts are short; for full context, read the paper.
Limits
Limitations and 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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