Protraction
from class: General Biology I 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.
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Predict what's on your test 5 Must Know Facts For Your Next Test Protraction primarily involves the scapulae, or shoulder blades. The serratus anterior muscle plays a key role in protracting the scapula. Protraction is often contrasted with retraction, which moves the body part backward. This movement is important for activities like pushing objects away from the body. Protraction can affect posture and upper body mechanics significantly. Review Questions Which muscle is primarily responsible for scapular protraction? How does protraction differ from retraction? Why is protraction important in everyday activities? "Protraction" also found in:
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