Empty Can Test



  • The empty can test is used to assess for supraspinatus rupture / dysfunction, by stressing the supraspinatus.
    • How to Perform

    • Fully internally rotate the shoulder, abduct the arm to 90°, with 30° of forward flexion and the thumb pointing downward. Apply a downward pressure to the patient's forearm while stabilising the shoulder with the other arm. Ask the patient to resist this motion.
    • Abnormal If

    • Pain / weakness
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