Supraspinatus Strength Test (Jobe / Empty Can Test)

Name: Supraspinatus Strength Test (Jobe / Empty Can Test)
Uploaded: 2023-09-25T11:05:24+00:00
Description: The patient stands with both arms in 90 degrees of abduction, 30 degrees of horizontal adduction and full internal rotation. Examiner’s hands are placed on the superior aspect of the elbow pressing downward

Testing position: The patient stands with both arms in 90 degrees of abduction, 30 degrees of horizontal adduction and full internal rotation. Examiner’s hands are placed on the superior aspect of the elbow pressing downward. Patient is asked to maintain this position. Patient's ability to resist downward pressure with both shoulders is compared.
Expected Findings: Test is aimed to assesses the strength of the supraspinatus muscle. Decreased ability of the involved shoulder to resist is indicative of supraspinatus weakness. This test may also elicit pain, indicating inflammation and muscle weakness.