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Muscle Name: Triceps Brachii (Back of Upper Arm)

Medical Name:

• Triceps Brachii

Other Names:

• Triceps
• Tri’s

Head:

• Long Head
• Lateral Head
• Medial Head

Movement:

• Extension of the elbow
  • Straightening the arm
• Extension of the shoulder (Long Head)
  • Moving the arm backward

Attachment:

• Origin:
  • Long Head: Infraglenoid tubercle of the scapula
  • Lateral Head: Posterior surface of the humerus, superior to the radial groove
  • Medial Head: Posterior surface of the humerus, inferior to the radial groove
• Insertion:
  • Olecranon process of the ulna

Related Muscles:

• Biceps Brachii
• Brachialis
• Anconeus
• Deltoids
• Latissimus Dorsi

EXERCISES

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