Instrumented measures of postural control in college dancers with and without chronic ankle instability |
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| Affiliation: | 1. Department of Health Professions, James Madison University, Harrisonburg, VA, USA;2. Department of Theatre and Dance, James Madison University, Harrisonburg, VA, USA;1. Sports Science and Medicine Department, SGS Sport, South Gloucestershire and Stroud College, Bristol, UK;2. School of Sport and Exercise, University of Gloucestershire, Gloucester, UK;3. School of Health Sciences, Birmingham City University, Birmingham, UK;1. University of Wisconsin-Milwaukee, 3409 Downer Avenue, Milwaukee, WI, 53211, USA;2. Concordia University, 12800 N Lake Shore Dr, Mequon, WI, 53097, USA;1. Northwestern University Feinberg School of Medicine, Department of Physical Therapy and Human Movement Sciences, 645 N Michigan Ave, Suite 1100, Chicago, IL, 60611, United States;2. Northwestern University, Galter Health Sciences Library and Learning Center, 320 E Superior Street, Chicago, IL, 60611, United States;3. Tufts University, School of Medicine, Doctor of Physical Therapy Program, 136 Harrison Ave, Boston, MA, 02111, United States;1. Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada;2. Alberta Children''s Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada;3. Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada;4. Running Injury Clinic, University of Calgary, Calgary, Alberta, Canada;5. Faculty of Nursing, University of Calgary, Calgary, Alberta, Canada;6. McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada;7. O''Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada;8. Tampere Research Center of Sports Medicine, UKK Institute, Tampere, Finland;9. School of Creative and Performing Arts, Faculty of Arts, University of Calgary, Calgary, Alberta, Canada;1. Department of Rehabilitation, Akita City Hospital, Akita, Japan;2. Department of Physical Therapy, Akita University Graduate School of Health Sciences, Akita, Japan;3. Department of Rehabilitation, Akita Kousei Medical Center, Akita, Japan;4. Department of Rehabilitation, Akita University Hospital, Akita, Japan;5. Department of Rehabilitation, Noshiro Kousei Medical Center, Akita, Japan;1. Seattle Children''s, Seattle, WA, USA;2. Nicklaus Children''s Hospital, Miami, FL, USA;3. Connecticut Children''s Medical Center, Hartford, CT, USA;4. Children''s Hospital of Philadelphia, Philadelphia, PA, USA;5. Arkansas Children''s Hospital, Little Rock, AR, USA |
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| Abstract: | ObjectivesTo determine whether collegiate dancers with chronic ankle instability (CAI) demonstrated impaired postural control during instrumented measures of single-leg static balance compared to dancers without CAI.DesignCross sectional design.SettingUniversity dance studios.ParticipantsWe included N = 39 dance majors from a large, public university. We stratified participants into CAI (n = 20, age = 20 ± 1.8, IdFAI = 17.3 ± 5.7, number of sprains = 1.9 ± 1.1) and Control groups (n = 19, age = 20 ± 1.2, IdFAI = 2.5 ± 3.0).Main outcome measuresParticipants performed 3 x 10-s single-leg, static balance trials on a pressure mat in two different conditions, foot-flat eyes closed and demi-pointe eyes open. We measured six different time-to-boundary (TTB) measurements during each balance trial and calculated the average of the 3 trials for each condition. Participants also completed the Foot and Ankle Ability Measure (FAAM) sport and activities of daily living (ADL) questionnaires.ResultsThe CAI group reported greater IdFAI and lower FAAM-ADL and FAAM-Sport scores compared to the control group. We observed no significant differences in TTB measurements between the CAI and control groups during either balance conditions.ConclusionsInstrumented measures of static postural control were not impaired in college dancers with CAI compared dancers without CAI. |
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| Keywords: | Balance Ankle sprain Ballet Performing arts |
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