prone

/ˈprōn/

Middle English, from Latin pronus bent forward, tending; akin to Latin pro forward

adjective

  1. having a tendency or inclination : being likely —often used with to—often used in combination

  2. having the front or ventral surface of a body facing downward : lying with the chest and stomach positioned downward

  3. lying flat or prostrate

prone supine prostrate recumbent mean lying down. prone implies a position with the front of the body turned toward the supporting surface. supine implies lying on one's back and suggests inertness or abjectness.

verb

  1. to place (oneself or another person) in a prone position with the chest and stomach facing downward especially to increase blood oxygenation

  2. to cause or order (a person) to lie flat on the ground with the face and stomach facing downward —often used with out

  3. to lie flat on one's stomach on the ground —usually used with out

Ventilated patients are typically proned for 16 hours, but at Mass General, Dr. [C. Corey] Hardin said, some are proned for 24 or 48 hours.

adjective

  1. having a greater than average number of accidents

  2. having personality traits that predispose to accidents