Position of the acromioclavicular joint and relation to the critical shoulder angle in shoulders with rotator cuff tears.
case_control · Level III
Where this comes from
- Record sourced from PubMed, PMID 32273663.
- Also identified by DOI 10.1016/j.jor.2020.03.046 and PMC identifier 7132111.
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Abstract
To evaluate the position of the acromioclavicular joint (ACJ) and relation to the critical shoulder angle (CSA) in shoulders with rotator cuff tears (RCT). In a matched pair study including 75 shoulders with arthroscopically validated RCT and 75 controls (mean age 59.4 ± 7.9 years) the position of the ACJ in relation to the glenoid and the CSA were measured on true ap radiographs. The CSA is larger (p = 0.0018) and the position of the ACJ is more lateral (p = 0.0016) in shoulders with RCT in comparison to matched controls. The more lateral position of the ACJ in shoulders with a large CSA might be an additional component in the multifactorial pathogenesis of RCT.
Anatomy
- shoulder
- clavicle