Does the Movement Competency Screen Correlate with Deep Abdominals Activation and Hip Strength for Professional and Pre-professional Dancers?
Justine Benoît-Piau, Mélanie Morin, Sylvie Fortin and 2 others
PMID 33604132WHAT IT FOUND
The Movement Competency Screen correlates weakly with deep abdominal activation and hip strength, and moderately with the Functional Movement Screen.
It does not strongly reflect these specific physical capacities, so scores should not be interpreted as direct measures of core or hip function.
Key findings
01The total score on the Movement Competency Screen showed only weak correlations with transversus abdominis activation and strength of specific hip muscles.
02Deep abdominal activation and hip strength together explained only 14.1% of the variance in Movement Competency Screen scores.
03Scores on the Movement Competency Screen and the Functional Movement Screen were moderately correlated, but individual similar items like the squat showed no correlation.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study design is cross-sectional, so it cannot confirm if the screen predicts future injuries. The sample size was small and calculated for a larger longitudinal project, which may limit the stability of the correlation estimates. The order of tests was fixed for all participants, which could have introduced fatigue effects that influenced the scores. The physical measures (ultrasound and dynamometry) were taken in different positions than the functional movement tests, which may have reduced the observed correlations.
Declared interests
The text does not report any funding sources or conflicts of interest.
The easy way to misread this
Do not assume that a high Movement Competency Screen score indicates good core stability or hip strength. The correlations were weak, and these specific physical traits explained only a small portion of the screen's variance.