Definition of semi-prone position in English:
Another term for recovery position.
- She twisted and fell out of the car onto her backside, and there she sat looking up at him, stunned from a slumped semi-prone position, in the middle of the road.
- She leaps up from her semi-prone position to a panther's crouch in the space of a breath.
- She prefers a prone or semi-prone position because if she tries to sit up, she has extreme symptomatology - i.e. she becomes pale and her pulse rate increases among other things.