Document Detail

Passive range of motion characteristics in the overhead baseball pitcher and their implications for rehabilitation.
MedLine Citation:
PMID:  22532313     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Repetitive overhead throwing motion causes motion adaptations at the glenohumeral joint that cause injury, decrease performance, and affect throwing mechanics. It is essential to define the typical range of motion (ROM) exhibited at the glenohumeral joint in the overhead thrower.
QUESTIONS/PURPOSES: We (1) assessed the glenohumeral joint passive range of motion (PROM) characteristics in professional baseball pitchers; and (2) applied these findings clinically in a treatment program to restore normal PROM and assist in injury prevention.
METHODS: From 2005 to 2010, we evaluated 369 professional baseball pitchers to assess ROM parameters, including bilateral passive shoulder external rotation (ER) at 45° of abduction, external and internal rotation (IR) at 90° abduction while in the scapular plane, and supine horizontal adduction.
RESULTS: The mean ER was greater for the throwing and nonthrowing shoulders at 45° of abduction, 102° and 98°, respectively. The throwing shoulder ER at 90° of abduction was 132° compared with 127° on the nonthrowing shoulder. Also, the pitcher's dominant IR PROM was 52° compared with 63° on the nondominant side. We found no statistically significant differences in total rotational motion between the sides.
CONCLUSIONS: Although we found side-to-side differences for rotational ROM and horizontal adduction, the total rotational ROM was similar.
CLINICAL RELEVANCE: The clinician can use these PROM values, assessment techniques, and treatment guidelines to accurately examine and develop a treatment program for the overhead-throwing athlete.
Kevin E Wilk; Leonard C Macrina; Christopher Arrigo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  470     ISSN:  1528-1132     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-09     Completed Date:  2012-08-20     Revised Date:  2013-06-25    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1586-94     Citation Subset:  AIM; IM    
Champion Sports Medicine, A Physiotherapy Associates Clinic, 805 St Vincent's Drive, Suite G100, Birmingham, AL 35205, USA.
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MeSH Terms
Baseball / injuries,  physiology*
Cumulative Trauma Disorders / rehabilitation
Range of Motion, Articular*
Shoulder Joint / injuries,  physiology*,  physiopathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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