Decerebrate and decorticate posturing rigidity NCLEX review with mnemonic and pictures on how to tell the difference between the two conditions.
Decorticate vs decerebrate posturing are two ABNORMAL types of rigidity associated with a brain injury.
Let’s look at the difference between the two:
Decorticate posturing: this is a type of flexed posturing and can indicate damage to the cerebral hemispheres.
There will be adduction and flexion of arms and hands will be closed shut (flexed). The legs will be rotated internally and feet plantar flexed.
Mnemonic for decorticate posturing: Remember the letters COR in the word decorticate for the word “core”. The patient will bring their ARMS to the core of the body (middle).
Decerebrate posturing: this is a type of extended posturing and can indicate damage to the brain stem. This is the worst type of posturing between the two.
There will be adduction and extension of the arms and pronation of the hands and fingers will be flexed along with extended legs and plantar flexion of the feet.
Decerebrate posturing: Look at all the E’s in this word. There are a lot of them, so remember the word EXTENDED. The arms are going to be extended rather than flexed.
Notes: http://www.registerednursern.com/decerebrate-vs-decorticate-mnemonic-review/
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