Functional Movement Screen™ and Ankle Stability

Mary A. Dunyak, Meredith College

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Abstract: More injuries occur in the ankle than any other bodily joint (Fong, Hong, Chan, Yung & Chan, 2007), and those injuries often lead to symptoms of instability (Yeung, Chan, So, & Yuan, 1994). The Functional Movement Screen™ (FMS™) has advertised itself as a tool to identify an individual’s risk of injury. The purpose of this research was to determine if the FMS™ could be a valid tool for predicting ankle injury, by exploring if a relationship exists between the FMS™ and ankle stability. Sixty individuals, aged 18-25, participated in this study. Each participant took part of an FMS™, as well as the Balance Error Scoring System (BESS) test as the measure of ankle stability. Correlations were utilized to analyze the results. Results showed that the FMS™ may not be the best tool as an ankle injury screen. Because the FMS™ is often performed in sport performance or physical therapy settings, this research may provide insight to the usefulness of this screen in those settings.

Introduction: Over one-third of injuries occur in the ankle joint, and ankle sprains are estimated to account for 50 to 76 percent of all ankle injuries (Fong et al., 2007; Garrick & Requa, 1988). Furthermore, up to 73 percent of ankle sprains will result in instability symptoms (Yeung et al., 1994). Because ankle injuries are so prevalent and often lead to chronic symptoms, the ability to identify an individual’s ankle injury risk would be useful in preventing injuries.

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