Supraspinatus Strength Test (Empty Can Test)

Testing for:
Tendonitis, Strain or Weakness of the Supraspinatus muscle

Procedure:

• Patient is seated
• Patient actively abducts their humerus to 90°
• Patient adducts their humerus to 30°
• Patient internally rotates their humerus
• Therapist applies pressure in adduction, patient resists

Positive Sign:
Pain along the supraspinatus or weakness