Augmented Feedback Response Prediction by Peak Vertical Ground Reaction Force in Adolescent Female Athletes.
Hannah Jaime, Drew Rutherford, Becky Heinert and 3 others
PMID 39758691WHAT IT FOUND
In 147 adolescent female athletes, one augmented feedback session lowered landing impact force in 107.
Baseline force alone missed 23 non-responders. One feedback session plus baseline helped separate responders from non-responders.
Key findings
01107 of 147 athletes had high baseline landing force and reduced it by 26.7% after the first feedback block.
02Twenty-three athletes did not respond, and baseline landing force alone did not identify them.
03Baseline landing force explained over 50% of post-test landing force differences and 40% of transfer differences; adding feedback change improved prediction.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study had no control group, so it cannot show that augmented feedback alone caused the landing force changes. It lasted one session and had no later retention test, so it does not show whether reduced landing force persisted. It measured landing force, not ACL injuries, so it does not show injury risk reduction. Baseline landing force alone did not identify all non-responders, so a single screening number is not enough. The sample was only female athletes aged 13 to 18, so the results may not apply to males or other age groups.
The easy way to misread this
Do not conclude that augmented feedback prevents ACL injuries. This study measured landing force in one session, had no control group, and did not collect injury outcomes.