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Body PlanesPositions

Bontrager.

TermDefinition
Sagittal Plane Divides right and left
Coronal Plane Anterior and posterior
Horizontal (axial) plane superior and inferior parts
Oblique Plane NOT parallel to any other plane, it is at an angle or a slant.
Occlusal plane Horizontal plane formed by biting surfaces of the upper and lower teeth with jaws closed.
Positions differ from projections in that.. Positions refer to what is closest to the image receptor, or where the central ray is exiting.
Prone Lying on abdomen, facing downward
Trendelenburg Recumbent position with head lower than feet
Fowlers Recumbent with head higher than feet
Sims Recumbent oblique position with pt lying on left anterior side, right knee and thigh flexed.
Lateral side or side view. Part closest to the IR or part from which CR exits. Lateral is at a 90 angle.
Oblique angled person. Part closest to the IR or CR exits.
Supine Laying on back, facing up
LPO. Describe position. Left posterior oblique. Person is standing with left shoulder to IR facing/angled towards the CR. (left backside of shoulder to IR)
RAO. Describe position. Right anterior oblique. Person is standing with right shoulder to IR, facing/angled to the IR.
Decubitus Lying on a horizontal surface. Central Ray is ALWAYS horizontal. Used for detecting air-fluid levels.
Right lateral decubitus position, with a PA projection. Pt lies on their right side, anterior closest to IR. "Right lateral decubitus position (PA projection)"
Left lateral decubitus position, with a AP projection. Pt lies on left side, posterior closest to IR. "Left lateral decubitus position (AP Projection)"
Ventral decubitus position, right lateral. Pt lying on anterior/ventral side, with right side closest to IR. "ventral decubitus position (R lateral)"
Dorsal decubitus position, left lateral. Pt is lying on back, left side is closest to IR. "dorsal decubitus position (L lateral)"
Dorsal decubitus position, right lateral. Pt is lying on back, right side closest to IR. "dorsal decubitus position (R lateral)"
Ventral decubitus position, left lateral. Pt lying on anterior, left side is closest to IR. "ventral decubitus position (L lateral)"
Axial projection Angle of the CR of 10 degrees or more along the long axis of the body or body part.
Inferosuperior axial projection CR enters below/inferiorly and exits above/superiorly. -Frequently performed for the shoulder and hip.
Superoinferior axial projection CR eneters superiorly and exits inferiorly. -may be used for a nasal bone projection
Tangential projection Skims a body part to project that part into profile and away from other body structures, -Knee is common.
AP axial projection-lordotic position. Describe. Posterior to the IR, shoulders back and lower/middle back pushed forward. The patients long axis of the body is angled, not the CR. -Specific AP chest projection for the apices of the lungs.
Transthoracic projection For the humerus. Going through chest (laterally) to get image on opposite side.
Parietoacanthial/Acanthioparietal projections CR enters the parietal bone and exits at the acanthion (junction of nose and upper lip).
Submentovertex (SMV) / Verticosubmental (VSM) projections CR enters below the chin/mentum, exits at the vertex/top of skull. -Used for skull and mandible.
Valgus Ankles bent in, feet are turned out
Varus Ankles bent out, feet turned in.
Invert/inversion Feet turned in, "pigeon toed"
Created by: Zoest35