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The effect of three selected exercises on electromyographic root mean square values and vastus medialis oblique to vastus lateralis ratio

The primary purpose of this study was to determine the ratio of activation between the VMO and VL while performing three selected knee exercises (drop squat, modified lateral squat, Muncie Method). Additionally, the data was analyzed to determine if a correlation existed between the muscle's activation rate per set and whether or not the rates are affected by Q-angle or gender. Twenty Ball State University subjects (10 male, 10 female) who were asymptomatic to Patellofemoral Syndrome (PFS), provided electroymyographic (EMG) data while performing the three selected exercises. A one-way ANOVA found no statistical significance (p=0.500) on any of the tested variables except the Drop Squat VL Root Mean Square (RMS). Significant correlations were found between: VL RMS to set number during drop squat, and VMO and VL RMS to set number during Muncie Method performance. Based on the results of this study, each of these exercises could be used to selectively strengthen the VMO in treatment of PFS. / School of Physical Education

Identiferoai:union.ndltd.org:BSU/oai:cardinalscholar.bsu.edu:handle/186368
Date January 1998
CreatorsMyer, Gregory D.
ContributorsGehlsen, Gale M.
Source SetsBall State University
Detected LanguageEnglish
Formatiii, 51 leaves : ill. ; 28 cm.
SourceVirtual Press

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