Serratus Anterior

Origin

• Outer surface of the Ribs 1 - 9/9

---

Insertion

• Costal aspect of medial margin of Scapula

---

Actions

• Protracts, stabilizes scapula
• Assists in upward rotation

---

Vascular Supply

• Lateral Thoracic Artery
• Superior Thoracic Artery (upper part)
• Thoracodorsal Artery (lower part)

---

Nerve

• Long Thoracic Nerve

---

Clinical Significance

• Winged Scapula

---

See Also

• Physical Exam Shoulder
• Shoulder Anatomy (Main)
• Shoulder Pain (Main)

---

---