Serratus Posterior Superior

Authors

Affiliations

Nathaniel 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

Superficial intrinsic back muscles Right side posterior view¹

Superficial intrinsic back muscles posterior view¹

Muscle	Origin	Insertion	Innervation	Action
Serratus posterior superior

Origin

• Nuchal ligament¹
• C7-T3 SP¹

Insertion

2-4th ribs (sup border)¹

Innervation

Spinal nn.  T2-T5 (Ant ramus)¹

Action

Elevates ribs

Muscle groups

Serratus Posterior Superior is part of the Superficial intrinsic back muscle group

Palpation

Clinical significance

1.

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