Comparison of Glenohumeral Internal Rotation Deficit (gird) and Humeral Retroversion in College Baseball Pitchers over the Course of a Competative Season
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Glenohumeral internal rotation deficit in the asymptomatic professional pitcher and its relationship to humeral retroversion.
The purpose of this study was to determine if glenohumeral internal rotation deficits (GIRD) exist in an asymptomatic population of professional pitchers, and to assess whether these changes are primarily a bony or soft tissue adaptation. Twenty three, active, asymptomatic professional (Major League Baseball) pitchers volunteered for the study. Clinical measures of glenohumeral ranges of motion...
متن کاملOsseous adaptation and range of motion at the glenohumeral joint in professional baseball pitchers.
The throwing shoulder in pitchers frequently exhibits a paradox of glenohumeral joint motion, in which excessive external rotation is present at the expense of decreased internal rotation. The object of this study was to determine the role of humeral head retroversion in relation to increased glenohumeral external rotation. Glenohumeral joint range of motion and laxity along with humeral head a...
متن کاملGlenohumeral Range of Motion in Major League Pitchers
BACKGROUND Although overhead throwing athletes may develop unique glenohumeral range of motion characteristics, to our knowledge these characteristics have not been studied longitudinally in major league pitchers. HYPOTHESIS Major league pitchers (starters and relievers) experience an increase in glenohumeral external rotation and a decrease in internal rotation and total range of motion. Gle...
متن کاملRetroversion of the humerus in the throwing shoulder of college baseball pitchers.
BACKGROUND Increased external rotation and decreased internal rotation have been noted to occur progressively in the throwing shoulder of baseball pitchers. HYPOTHESIS Proximal remodeling of the humerus contributes to the rotational asymmetry between shoulders in pitchers. STUDY DESIGN Descriptive anatomic study. METHODS Both shoulders of 19 male college baseball pitchers were evaluated a...
متن کاملThe Effect of Corrective Exercises on Pain, Function, Proprioception, and Muscle Activity in People with Glenohumeral Internal Rotation Deficit (GIRD)
Background and Objectives: Glenohumeral internal rotation deficit (GIRD) is one of the most important risk factors for overhead-throwing athletes and adversely affects the biomechanics of the Glenohumeral joint during overhead-throwing motions. The aim of this study was to review all the articles performed in the field on the effect of corrective exercises on pain, function, proprioception, and...
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تاریخ انتشار 2015