The best replacement for posturing is decerebrate posturing.

The best alternatives to posturing are rated as following:
★★★★★  decerebrate posturing
★★★★  decorticate
★  decorticate posturing
  decerebrate

Your alternative for posturing is not listed? Suggest!
Speaking about posturing, one probably shouldn't forget about brain injury.

Other search terms related to posturing and their ratings are:
★★★★★ brain injury
★ brain injuries
★ brain trauma
★ painful stimuli
You have in mind a companion for posturing and it is not yet here? Propose!



Google Trends

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posturing
decerebrate posturing
decorticate