Longissimus (all parts)

Longissimus (all parts) – Essentials

For more details check out longissimus capitis, longissimus cervicis and longissimus thoracis

Actionlongissimus

  • Extends spine (thoracis and cervicis)
  • Extends head (capitis)
  • Laterally flexes spine (all parts)
  • Laterally flexes head (capitis and cervicis)
  • Rotates head (same side, capitis and cervicis)

Origin

  • TPs of lumbar through to cervical

Insertion

  • TPs of lumbar through to cervical vertebrae
  • Ribs superior to origin
  • Mastoid process of temporal bone

MUSl16

 

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