Body Planes

Question 1

Sagittal Plane

Answer 1

Divides the entire body or a body part into right and left segments. The plane passes vertical through the body from front to back.

Question 2

Coronal Plane

Answer 2

Divides the entire body/body parts into anterior and posterior segments.

Question 3

Horizontal Plane

Answer 3

Pases corsswise throughout the body or a body part at right angles to the longitudinal axis.
Right angle to the sagittal and coronal planes.
Divides the body or body parts into superior and inferior portions.

Question 4

Oblique Plane

Answer 4

Can pass through a body part at any angle among the three other planes.

Question 5

Uses of Planes

Answer 5

1. Center a body part to the IR
2. Center ray and to ensure the body is properly oriented and aligned with the IR
3. Guide projections of the central ray

Question 6

Interiliac Plane

Answer 6

Transects the pelvis at the top of the iliac crests at the level of the forth lumbar spinous process
Used in positioning the lumbar, spine, sacrum, and coccyx

Question 7

Occlusal Plane

Answer 7

Formed by the biting surfaces of the upper and lower teeth with the jaws closed
Used in positioning of the odontoid process and some head projections

Question 8

Midsagittal Plane

Answer 8

Divides the body into equal right and left parts

Question 9

Midcoronal Plane

Answer 9

Divides the body into equal anterior and posterior parts