Journal of sport rehabilitation · 2009
Establishing normative data on scapulothoracic musculature using handheld dynamometry.
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Turner Nichole, Ferguson Kristen, Mobley Britney W, Riemann Bryan, Davies George
Аннотация
CONTEXT: Scapular strength deficits have been linked to shoulder dysfunction.
OBJECTIVE: To establish normative data on the scapulothoracic musculature in normal subjects using a handheld dynamometer.
DESIGN: Descriptive normative data study.
SETTING: Field research.
SUBJECTS: 172 subjects with varying levels of overhead activity.
METHODS: A handheld dynamometer was used to test the upper, middle, and lower trapezius; rhomboids; and serratus anterior.
MAIN OUTCOME MEASURES: A 2-factor ANOVA was performed for each of the muscles by activity level and unilateral ratio by activity-level analyses. Post hoc analysis included multiple pairwise comparisons, using the Dunn-Bonferroni correction method.
RESULTS: Activity level did not significantly affect the unilateral ratios: Elevation:depression was 2.5:1, upward:downward rotation was 1.5:1, and protraction:retraction was 1.25:1. A rank order from strongest to weakest was established through significant comparisons.
CONCLUSION: The unilateral ratios along with the rank order should be considered when discussing scapular rehabilitation protocols.
OBJECTIVE: To establish normative data on the scapulothoracic musculature in normal subjects using a handheld dynamometer.
DESIGN: Descriptive normative data study.
SETTING: Field research.
SUBJECTS: 172 subjects with varying levels of overhead activity.
METHODS: A handheld dynamometer was used to test the upper, middle, and lower trapezius; rhomboids; and serratus anterior.
MAIN OUTCOME MEASURES: A 2-factor ANOVA was performed for each of the muscles by activity level and unilateral ratio by activity-level analyses. Post hoc analysis included multiple pairwise comparisons, using the Dunn-Bonferroni correction method.
RESULTS: Activity level did not significantly affect the unilateral ratios: Elevation:depression was 2.5:1, upward:downward rotation was 1.5:1, and protraction:retraction was 1.25:1. A rank order from strongest to weakest was established through significant comparisons.
CONCLUSION: The unilateral ratios along with the rank order should be considered when discussing scapular rehabilitation protocols.
Предметные рубрики MeSH
AdolescentAdultAnalysis of VarianceAthletic InjuriesBody Mass IndexChildConfidence IntervalsCross-Sectional StudiesFemaleHumansMaleMuscle StrengthMuscle Strength DynamometerMuscle, SkeletalPilot ProjectsReference ValuesReproducibility of ResultsScapulaShoulder Impingement SyndromeStatistics as TopicSurveys and QuestionnairesThoraxYoung Adult