II. Definition

  1. Inferior displacement of the humeral head

III. Etiologies

  1. Suggests Hypotonicity
  2. Shoulder Fracture
  3. Neuropathy (e.g. Brachial Neuritis)
  4. Cerebrovascular Accident or other CNS Disorder

IV. Diagnostics

  1. Electromyogram (EMG)
    1. Evaluates for neuropathic cause
    2. Indicated for atraumatic subluxation

VI. Course

  1. Muscle tone returns after injury resolves

Images: Related links to external sites (from Bing)

Related Studies