💪 Serratus Anterior

Brian Lee
May 21 2025
Pending Review

Summary

OriginExternal surfaces of the upper 8–9 ribs
InsertionAnterior (costal) surface of medial border of scapula
Actions
  1. Protracts (abducts) the scapula
  2. Upward rotation of the scapula
  3. Holds scapula against thoracic wall
  4. Accessory muscle of inspiration (elevates ribs)

References

© 2025 by Brian Lee is licensed under CC BY-NC-ND 4.0.

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