The Functional Movement Screen: Exploring Interrater Reliability between Raters in the Updated Version.
Ricky Morgan, Steven LeMire, Lindsey Knoll and 4 others
PMID 37425117WHAT IT FOUND
Four novice raters with minimal training scored 45 young adults reliably on the updated Functional Movement Screen.
Total scores showed excellent agreement between raters, though reliability was moderate for the left ankle mobility test.
Key findings
01The updated Functional Movement Screen showed excellent interrater reliability for total scores when used by four novice raters.
02Individual movement patterns generally showed excellent reliability, with the deep squat being the least reliable but still good.
03The left ankle mobility clearing test showed only moderate reliability, unlike other clearing tests which were good to excellent.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The participants were all healthy, active graduate students in their 20s or 30s, so the results may not apply to older adults, those with injuries, or those with comorbidities. The raters were not certified in the Functional Movement Screen at the time of the study, having only received brief training. The distance between the participant and the camera varied, making some videos harder to see than others. The environment where raters scored the videos was not strictly controlled or monitored, relying on verbal confirmation from the raters.
Declared interests
The authors declared no conflicts of interest and stated the results were not endorsed or funded by the National Strength and Conditioning Association or any outside source.
The easy way to misread this
Do not assume this study proves the Functional Movement Screen predicts injury risk or improves performance. It only tested whether different raters could agree on the scores given to young, healthy adults.