Question 1

In which plane of motion does flexion and extension occur?

Accepted Answer

Flexion and extension occur in the sagittal plane, which divides the body into left and right halves.

Question 2

What term describes the movement of a limb away from the midline of the body?

Accepted Answer

Abduction is the movement of a limb away from the midline of the body, occurring in the frontal plane.

Question 3

Which plane of motion divides the body into front and back halves, and what movement occurs in this plane?

Accepted Answer

The frontal plane divides the body into anterior and posterior halves; abduction, adduction, and lateral flexion occur in this plane.

Question 4

What type of joint movement occurs in the transverse plane?

Accepted Answer

Rotation occurs in the transverse plane, which divides the body into upper and lower halves.

Question 5

What is the difference between internal rotation and external rotation?

Accepted Answer

Internal rotation turns a limb toward the midline of the body, while external rotation turns a limb away from the midline; both occur in the transverse plane.

NASM CPT Functional Anatomy

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