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Muscle Name: Posterior Deltoid

Medical Name:

• Posterior Deltoid

Other Names:

• Rear Deltoid
• Posterior Deltoid Muscle

Head:

• None (Posterior part of the deltoid muscle group)

Movement:

• Extension of the shoulder
  • Bringing the arm backward
• Horizontal abduction of the shoulder
  • Moving the arm away from the body in the horizontal plane
• Lateral rotation of the shoulder
  • Rotating the arm outward

Attachment:

• Origin:
  • Spine of the scapula
• Insertion:
  • Deltoid tuberosity of the humerus

Related Muscles:

• Anterior Deltoid
• Lateral Deltoid
• Teres Major
• Infraspinatus
• Latissimus Dorsi

EXERCISES

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