Assertion: speculum's position | /r/CapableOf | involve the supine position
Facets:
value: from a low angle
type: MANNER
Source sentences:
text: Created by New York surgeon George Fowler in the late 19th century, this position involves the supine position and the patient's upper torso to be elevated at various levels depending on the purpose — from a low angle to ease abdominal tension to a high level for meal time.