Short definition of Protraction (in the context of a term to describe movement of the body):
Protraction is movement of a body part in the anterior direction, i.e.
being drawn forwards. |
The movement of protraction is the opposite of the movement of retraction.
The word protraction may be used to describe a movement so it could be used in an expression such as "protraction of the shoulder is one of the movements used in rowing".
The only joints capable of protraction are the shoulder
joint and the jaw.
Example of Protraction:
Protraction of the shoulder:
This video demonstrates the action of protraction of the shoulder: