Ch. 4 Anatomic Position and Terms of Reference Flashcards
body planes
reference planes for indicating the location or direction of body planes
anatomic or anatomical position
a term of reference that health professionals use when noting body planes, positions, or directions: the person is assumed to be standing upright, face forward, feet forward with arms at the side and palms faced forward.
coronal (frontal) plane
vertical division of the body into front (anterior) and back (posterior) portions
sagittal plane
vertical division of the body into right and left portions
transverse plane
horizontal division of the body into upper and lower portions
anterior, ventral
front of the body
posterior, dorsal
back of the body
anterior-posterior (AP)
from front to back
posterior-anterior (PA)
from back to front
superior, cephalic
situated above another structure, toward the head
inferior, caudal
situated below another structure, away from the head
proximal
toward the beginning or origin of a structure; close to center of the body
distal
away from the beginning or origin of a structure; away from the center of the body
medial
toward the middle or midline of the body
lateral
toward the side
axis
the imaginary line that runs through the center of the body or a body part
erect
normal standing position
decubitus
lying down, especially in bed; lateral decubitus is lying on the side (decumbo = to lie down)
prone
lying face down and flat
recumbent
lying down
supine
horizontal recumbent; lying flat on the back (“on the spine”)
flexion
bending at the joint so that the angle between the bones is decreased
extension
straightening at the joint so that the angle between the bones is increased
abduction
movement away from the body