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Posterior Shoulder Muscles
posterior shoulder muscles
13
Anatomy
Graduate
09/19/2013

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Cards

Term
Posterior Shoulder Muscles
Definition
  • Triceps Brachii (Long Head)
  • Latissimus Dorsi
  • Teres Major
  • Deltoid
Term
Triceps Brachii (Long Head) Attachment
Definition
  • Infraglenoid tubercle of the scapula
  • Olecranon process of the ulna
Term
Triceps Brachii GH Joint Movements
Definition
  • Extension
  • Adduction (weak)
Term
Triceps Brachii Nerve Innervation
Definition
  • Radial Nerve
Term
Latissimus Dorsi Attachments
Definition
  • Spinous processes T7-Sacrum
  • Iliac crest
  • Inferior angle of the scapula
  • Floor of the intertubercular groove of humerus
  • Crest of the lesser tubercle
Term
Latissimus Dorsi GH Movement
Definition
  • Internal rotation
  • Extension
  • Adduction
Term
Latissimus Dorsi Nerve Innervation
Definition
  • Thoracodorsal nerve
Term
Teres Major Attachments
Definition
  • Inferior part of lateral border of the scapula
  • Crest of lesser tubercle of humerus
Term
Teres Major GH Movements
Definition
  • Internal rotation
  • Extension
  • Adduction
Term
Teres Major Nerve Innervation
Definition
  • Lower subscapular nerve
Term
Deltoid Attachments
Definition
  • Length of the spine of the scapula
  • Lateral border of acromion process
  • Lateral 1/3 of clavicle
  • Deltoid tuberosity of humerus
Term
Deltoid GH Movements
Definition
  • Abduction (entire muscle)
  • Adduction (posterior-inferior and anterior-inferior fibers)
  • Flexion (anterior fibers)
  • Extension (posterior fibers)
  • Internal rotation (anterior fibers)
  • External rotation (posterior fibers)
  • Horizontal adduction (anterior fibers)
  • Horizontal abduction (posterior fibers)
Term
Deltoid Nerve Innervation
Definition
  • Axillary nerve
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