Title

Analysis Between Functional Movement Forward Lunge and Muscle Activation in Division One Swimmers

Faculty Sponsor

Kelly Helm PhD

College

Arts and Sciences

Department/Program

Department of Kinesiology

Document Type

Poster Presentation

Symposium Date

Spring 5-2017

Abstract

The purpose of this study was to examine quadriceps muscle activation while performing a lunge in Division I swimmers. The question to be answered was, “What impact does the FMS forward lunge have on quadriceps muscle activation of DI swimmers?” Twenty swimmers participated in the study (M=10; F=10). Surface electrodes were attached to the rectus femoris, vastus lateralis, and vastus medialis of each leg. Each participant performed three FMS lunges with each leg. Each lunge performance was assessed by a trained observer, and a score was recorded. Electromyograms (EMG) of each movement, complete with eccentric and concentric phases of each movement, were recorded and analyzed with the Delsys Trigno™ Wireless EMG System. Root mean square (RMS) of the EMG signal was normalized to the peak RMS value detected across all three trials. The mean percent of maximum value contraction (MVC) values during eccentric and concentric contractions were recorded. Of the 20 participants, 17 scored the maximum score of “3” for the FMS lunge, while three scored a “2,” as the lunge required compensation. Analysis of mean EMG scores indicates that the concentric phases display greater average muscle activation than the eccentric phase across all subjects.

Biographical Information about Author(s)

Annaliese Schalk aspires to become a physical therapist.

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