Longissimus Muscle Flashcards

Flashcards are a great way to memorise information about the longissimus muscle. Test your knowledge of anatomy using the longissimus flashcards below.

Press a flash card to reveal the answer.

Longissimus Thoracis Origin

Dorsal sacrum, median sacral crest, posterior superior iliac spine, & transverse processes L1-L5

Longissimus Cervicis Origin

Transverse processes of T1-T4

Longissimus Capitis Origin

Transverse processes of C4-T4

Longissimus Thoracis Insertion

Transverse process T1-T12 & the dorsal aspect of ribs 3-12

Longissimus Cervicis Insertion

Transverse processes of C2-C6

Longissimus Capitis Insertion

Posterior edge of the mastoid process


  • Bilateral contraction: extension of trunk and neck
  • Unilateral contraction: lateral flexion of the trunk and the neck


  • Lateral branches of the corresponding spinal nerves’ posterior rami

Blood Supply

  • Vertebral artery, deep cervical artery, occipital artery, transverse cervical artery, superior intercostal artery, posterior intercostal artery, subcostal artery, lateral sacral artery, & median sacral artery
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Would you like to learn more about the longissimus muscle? Then check out the longissimus muscle article and video by clicking the link below:
Longissimus Muscle Anatomy

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