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Int J Sports Phys Ther. 2011 Mar;6(1):51-8.

Shoulder muscle imbalance and subacromial impingement syndrome in overhead athletes.

Author information

1
Baton Rouge, Louisiana USA.

Abstract

Subacromial impingement is a frequent and painful condition among athletes, particularly those involved in overhead sports such as baseball and swimming. There are generally two types of subacromial impingement: structural and functional. While structural impingement is caused by a physical loss of area in the subacromial space due to bony growth or inflammation, functional impingement is a relative loss of subacromial space secondary to altered scapulohumeral mechanics resulting from glenohumeral instability and muscle imbalance. The purpose of this review is to describe the role of muscle imbalance in subacromial impingement in order to guide sports physical therapy evaluation and interventions.

PMID:
21655457
PMCID:
PMC3105366

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