Midline Bones Lecture

Question 1

Which side is in flexion and extension with a side bend rotation?

Answer 1

Whichever side has the higher sphenoid is in extension and the lower one is in flexion. Convex side is flexed

Question 2

In a torsion dysfunction, whats going on with the temporal, parietal, mandible and orbit on the side of the torsion.

Answer 2

External rotation. Mandible shift toward the side of torsion. Orbit is smaller on side of torsion.

Question 3

What is going on with the temporal, parietal, frontal bone orbit and mandible on the convex side of a side bend rotation?

Answer 3

External rotation. Anterior. Shift to convex side.

Question 4

Frontal Lateral Angle, Orbit, Frontozygomatic angle, Eyeball, Zygomatic Orbital Rim, Symphysis Menti, Mastoid Tip, Ear on the side of high sphenoid wing and low sphenoid wing.

Answer 4

High: Anterior. Wide. Increased. Protruded. ER. To this side. Posteromedial. Protruding.

Low: posterior. Narrow. Decreased. Returned. IR. Away. Anterolateral. Close to head.