II. Pathophysiology

  1. Superior Labrum Anterior to Posterior Tear (SLAP Lesions)
    1. Associated with Biceps Tenosynovitis
    2. Superior labrum is more weakly attached to glenoid than inferior labrum
  2. Posterosuperior Labral Tears
    1. Less common than SLAP Lesions
    2. Secondary to fraying related to Internal Shoulder Impingement

III. Pathophysiology: Mechanism of Injury

  1. Direct blow to Shoulder
  2. Fall on an outstretched hand
  3. Repetitive overhead motion
    1. SLAP Lesions are the most common labral injury in overhead throwing

IV. Symptoms

  1. Locking, catching or popping sensation felt in the Shoulder

V. Signs

  1. Most reliable tests for Labral Tear
    1. Jobe Relocation Test (Shoulder Apprehension Test)
    2. O'Brien Test
    3. Anterior Slide Test
  2. Bicipital Tendonitis tests (associated with SLAP Lesions)
    1. Speed Test
    2. Yergason Test

VI. Imaging: MR Arthrography of the Shoulder

  1. Anterior Labral Tears in adults
    1. Test Sensitivity: 95%
    2. Test Specificity: 100%
  2. Superior Labral Tears
    1. Test Sensitivity: 60%
  3. Posterior Labral Tears
    1. Test Sensitivity: 50%

Images: Related links to external sites (from Bing)

Related Studies (from Trip Database) Open in New Window

Ontology: Glenoid labrum tear (C0410340)

Concepts Injury or Poisoning (T037)
SnomedCT 202332000
English glenoid labrum tears, glenoid labrum tear, of glenoid labrum tear, Glenoid labrum tear, Tear of glenoid labrum, Glenoid labrum tear (disorder)
Spanish desgarro del rodete glenoideo (trastorno), desgarro del rodete glenoideo, ruptura del rodete glenoideo (trastorno), ruptura del rodete glenoideo

Ontology: slap lesion (C0949191)

Concepts Disease or Syndrome (T047)
ICD10 S43.43
English SLAP lesion, lesions slap, lesion slap, slap lesion