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Muscle Name: Pectoralis Minor

Medical Name:

• Pectoralis Minor

Other Names:

• None

Head:

• None (Single muscle)

Movement:

• Protraction of the scapula
  • Pulling the shoulder blade forward and around the rib cage
• Depression of the scapula
  • Lowering the shoulder blade
• Downward rotation of the scapula
  • Rotating the shoulder blade downward
• Elevation of the ribs (during forced inhalation)
  • Lifting the ribs

Attachment:

• Origin:
  • Anterior surfaces of ribs 3-5
• Insertion:
  • Coracoid process of the scapula

Related Muscles:

• Pectoralis Major
• Serratus Anterior
• Trapezius
• Levator Scapulae
• Rhomboids

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