Of the participated passively decubitus - a - um decumbo that means bedtime: anatomical position of the human body lying horizontally in the soil or in a parallel way, in a bed, stretcher or other flat and extended object. It may be lateral decubitus: lying on its side; dorsal or dorsal supine: lying on your back while face-up; Decubitus prono or ventral lying on the belly and chest, mouth down, ( ready say of bruces ).
