Crank Test is used to test for Labral Injuries and SLAP lesions (Superior Labrum from Anterior to Posterior tears) of the shoulder.
- Hold the patient’s arm in an abducted position and apply passive rotation and axial rotation.
- Crank Test is Positive when there is clicking or pain in the glenohumeral joint.
- Sensitivity: 81 %
- Specificity: 88 %
What is SLAP Lesion?
- SLAP Lesion is the abbreviation of Superior Labrum from Anterior to Posterior tears in the shoulder joint labrum.
- It may occur as isolated lesion or it can be associated with:
- Internal impingement of the shoulder.
- Rotator cuff tears (usually articular sided tears).
- Shoulder Instability (may be subtle)
- Most common occurs in a Throwing Athlete (repetitive overhead activities).
- It comprise approximately 5% of all shoulder injuries.