Protraction

Definition

Protraction is the anterior movement of a body part in the horizontal plane. It commonly involves movements such as bringing the shoulder blades forward.

5 Must Know Facts For Your Next Test

1. Protraction primarily involves the scapulae, or shoulder blades.
2. The serratus anterior muscle plays a key role in protracting the scapula.
3. Protraction is often contrasted with retraction, which moves the body part backward.
4. This movement is important for activities like pushing objects away from the body.
5. Protraction can affect posture and upper body mechanics significantly.

Review Questions

Related terms

Retraction:

The posterior movement of a body part in the horizontal plane.

Elevation:

The upward movement of a body part.

Depression:

The downward movement of a body part.