1. Which structure does not permit the rotation body movement?
a. The head
b. The vertebral column
c. The humerus bone
d. The finger
The answer is d, the finger. Rotation can occur at the head, vertebral column, and upper and lower limbs at the
ball-and-socket joints, but it does not occur at the finger.
2. What is medial rotation?
a. Rotation of a structure toward the body’s midline
b. Rotation of a structure away from the body’s midline
c. Rotation of a structure in an upward direction
d. Rotation of a structure in a downward direction
The answer is a. Medial rotation has the anterior surface of a structure rotating toward the body’s midline.
3. Lateral rotation is also called external rotation.
a. True
b. False
The answer is a, true. Lateral rotation is also called external rotation. Medial rotation is also called internal
rotation.
4. Rotating the head to the left or right is called what?
a. Head flexion
b. Medial rotation of the head
c. Lateral rotation of the head
d. Head extension
The answer is c, lateral rotation of the head to either the left or right. Turning the trunk to either the left or right is
also called lateral rotation of the trunk. Rotating the head or trunk toward the anatomical position is called media
rotation.