Decorticate Posturing

Aka: Decorticate Posturing, Decerebrate Posturing

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II. Exam: Decorticate Posturing

  1. Findings
    1. Flexion of arms toward chest (with clenched fists)
    2. Hyperextension legs
  2. Associated CNS Lesions
    1. Lesions superior to mid-brain (e.g. Cerebral Hemispheres, Internal Capsule, thalamic lesions)

III. Exam: Decerebrate Posturing

  1. Findings
    1. Arms and legs extended
    2. Head and neck arched backwards
    3. Internally rotated
  2. Associated CNS Lesions
    1. Brainstem lesions (e.g. pons, Midbrain)

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