Protraction & Retraction

Subdecks (4)

Cards (13)

  • Scapular Protraction and Retraction
    • Lateral and medial movement of the shoulder blade around the chest wall
  • Protraction:
    glenoid fossa moves more anterior (rounding shoulders)
  • Retraction
    glenoid fossa moves more lateral (pulling shoulders back)
  • Scapular Protraction and Retraction
    • Total range of linear translation of the scapula around the chest wall is about 15 cm
  • Sternoclavicular retraction and protraction both limited by costoclavicular ligament and anterior/posterior sternoclavicular ligament