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Posterior Shoulder Girdle Muscles
posterior shoulder girdle muscles
13
Anatomy
Graduate
09/14/2013

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Cards

Term
Posterior Shoulder Girdle Muscles
Definition
  • Trapezius
  • Rhomboid Major and Minor
  • Levator Scapulae
  • Latissimus Dorsi
Term
Trapezius Attchments
Definition
  • Skull
  • Spinous processes C7-T12
  • Ligamentum Nuchae C1-C6
  • Lateral 1/3 Clavicle
  • Acromion Process
  • Spine of the Scapula
Term
Trapezius Movement
Definition
  • Scapulothoracic Movement
    • Elevation (upper fibers)
    • Retraction (middle fibers and lower fibers)
    • Depression (lower fibers)
    • Upward Rotation (entire muscle, middle acts mostly to stabilize)
  • Cervical I-V Joint Movement (upper fibers)
    • Extension
    • Sidebend
    • Rotation to the opposite side
Term
Trapezius Nerve Innervation
Definition
  • Motor = Spinal portion of (Spinal) Accessory Nerve (CN XI)
  • Sensory = C3 and C4
Term
Latissimus Dorsi Attachment
Definition
  • Spinous processes T7-Sacrum via thoracolumbar fascia
  • Iliac crest
  • Inferior Angle of the Scapula
  • Floor of the intertubercular groove
  • Crest of the Lesser Tuberlce
Term
Latissimus Dorsi Movement
Definition
  • Scapulothoracic Movement
    • Depression
    • Downward Rotation
  • OtherĀ 
    • Elevates the pelvis when the shoulder is fixed
      • ex: crutches, transfers
Term
Latissimus Dorsi Nerve Innervation
Definition
  • Thoracodorsal Nerve
Term
Rhomboid Major & Minor Attachments
Definition
  • Major
    • Spinous processes T2-T5
    • Medial border of scapula from root of scapular spine to inferior angle
  • Minor
    • Spinous processes C7-T1
    • Medial border of scapula superior to scapular spine
Term
Rhomboid Major & Minor Movements
Definition
  • Scapulothoracic Movement
    • Elevation
    • Retraction
    • Downward Rotation
Term
Rhomboid Major & Minor Nerve Innervation
Definition
  • Dorsal Scapular Nerve
Term
Levator Scapulae Attachments
Definition
  • Transverse processes C1-C4
  • Medial border and superior angle of the Scapula
Term
Levator Scapulae Movement
Definition
  • Scapulothoracic Movement
    • Elevation
  • I-V Joint Movement
    • Extension
    • Sidebend
    • Rotation to same side
Term
Levator Scapulae Nerve Innervation
Definition
  • Dorsal Scapular Nerve
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