Levatores Costarum Longi

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
Levatores costarum longi	C7-T11 TP	Costal angle of rib 2 segments inferior	Spinal nn. (posterior rami)	Bilateral: Thoracic extension Unilateral: Thoracic ipsilateral sidebend, contralateral rotation

Origin

C7–T11 TP¹

Insertion

Costal angle of rib 2 vertebrae below¹

Nerve

Spinal nn. (Posterior Rami)¹

Action

• Bilateral: Extends T/S
• Unilateral: T/S ipsilateral flexion, T/S Contralateral rotation

References

1.

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