The phrase 'adopts a pose' is correct and usable in written English.
You can use this phrase when you want to describe someone who takes up a certain position or stance, either intentionally or as a habit. Example: The actor adopted a pose of calm confidence before beginning his lines.
Quite possibly, Cameron's tone had something to do with the British yen for adopting a pose of sang-froid toward anything short of a nuclear attack.
The express targets are "emos", short for "emotional": a western-derived identity, teenagers adopting a pose of vulnerability, along with tight clothes and skewed hairdos and body piercing.
Before a job interview, adopt a pose like Wonder Woman – feet apart, hands on hips, shoulders back – and your stress hormones will fall, testosterone will rise, you'll feel a surge of boldness, and have more chance of landing the job.
Yet the belief endures, from Armstrong's time and before, that visible, affluent African-American entertainers are obliged to adopt a pose of ceaseless gratitude — appreciation for the waiver that spared them the low status of so many others of their kind.
Monosubstituted arenes adopt a pose in which the alkyl chains maximize the London dispersion interactions with minimal steric clashes, giving an explanation for the observed trend in the benzylic hydroxylation yields.
They "flash" this when attacked, adopting a pose that exposes the vivid colouring on their bellies.
However, you cannot conquer terror by indulging in magical new age affirmations or sitting in the zendo adopting a pose of non-attachment.
The props may be outlandishly foreign, the Mayans may be barefoot or wear scruffy clothes or adopt too stiff a pose, but the men, women and children looking at the camera project a lovely, dignified sense of self.
Botticelli's Venus adopts a modest pose.
