Lateral Intertransversarii Lumbora

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Muscle	Origin	Insertion	Innervation	Action
Lateral intertransversarii lumbora	L1-L5 TP of superior segment	L1-L5 TP of inferior segment	Spinal nn. (anterior rami)	Bilateral: Cervical extension and stabilization, lumbar extension and stabilization Unilateral: Cervical extension and ipsilateral sidebend, Lumbar extension and ipsilateral sidebend

Origin

L1-L5: TP of inferiorly adjacent vertebrae¹

Insertion

C2-C7: TP of superiorly adjacent vertebrae¹

Innervation

Spinal nn. (Posterior Rami)¹

Action

• BIL: Stabilizes and extends cervical and lumbar vertebrae¹
• UNIL: I/L SB cervical and lumbar spines¹

References

1.

Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.