Predicting the occurrence of in-season groin pain in male high school soccer players: a cohort study.
Kazuki Fujisaki, Daiki Yokoyama, Masato Yokoyama and 4 others
PMID 39092415WHAT IT FOUND
Lower preseason hip adductor strength and lower self-reported hip/groin scores predicted in-season groin pain in male high school soccer players.
Players with less strength and worse HAGOS scores were significantly more likely to develop groin pain during the season.
Key findings
01Eccentric adductor strength of the dominant leg and preseason HAGOS scores were identified as predictors of in-season groin pain.
02Players who developed groin pain had significantly lower eccentric adductor strength in both legs and lower eccentric abductor strength in the dominant leg compared to uninjured players.
03The multivariate logistic regression model correctly classified 86.2% of cases regarding the presence or absence of groin pain.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study included only male high school soccer players from top teams, which may limit generalizability to female players, lower-level leagues, or other sports. The sample size was relatively small (105 analyzed, 22 injured), which may have reduced the statistical power of the logistic regression model. Injuries were reported by team physiotherapists, which could introduce measurement bias if reporting standards varied between schools. The study did not prove that specific HAGOS subscales are predictive individually; it used a combined principal component.
Declared interests
The authors declared no funding or competing interests.
The easy way to misread this
Do not interpret the Odds Ratios (0.12 and 0.13) as the risk of injury. These values represent the odds of remaining uninjured or the strength of the predictor in the model, not the percentage chance of getting hurt. The study shows an association between low strength/scores and pain, not that low strength causes pain.