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Ch. 5
Physics
Term | Definition |
---|---|
sthenic | a body type that is the average or normal body shape and represents about 50% of the population |
oblique position | a position in which the patient or body part is rotated 45° from the image receptor |
body habitus | the physical appearance of the body or body build |
asthenic | a body type that is extremely slender and generally frail in appearance and usually weak |
hyposthenic | a body type that is slender or thin |
anatomic position | the position used to describe the relationship of body parts to each other known as the standing (erect) position with the body facing forward, the feet together and the arms down by each side with the palms of the hands facing forward. |
hypersthenic | a body type that is large and stocky |
coronal | one of the three primary body planes, also referred to as the frontal plane |
transverse | one of the three primary body planes; horizontal or axial plane that is at right angles to the vertical axis of the body |
body planes | an invisible plane used to identify the body in different sections and the location of bodily structures and movements. |
sagittal | one of the three primary body planes; divides the body into right and left portions |
posterior | of or closest to the back; used in positioning to indicate structures toward the back of the body; in positioning, used to describe the patient facing the radiographic tube. |
recumbent | a positioning term, refers to the body position laying down |
surface landmarks | exterior landmarks that may be palpated to locate specific bones, especially vertebral bodies |
anterior | of or closest to the front; used in positioning to indicate structures toward the front of the body; in positioning, used to describe the patient facing the image receptor |
erect | a positioning term, refers to the body position standing |
decubitus | body position lying down with a horizontal x-ray beam |
prone | a positioning term, refers to the body position lying face downward |
supine | a positioning term, refers to the body lying on the back |