Pectineus Muscle

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

Medial Thigh muscle superficial layer schematic
1: Pectineus
2: Adductor Longus
3: Adductor Brevis
4: Gracilis

Medial Thigh muscle superficial layer¹

Muscle	Origin	Insertion	Innervation	Action
Pectineus	Pecten pubis	Pectineal line Proximal linea aspera	Femoral n. Obturator n. L2 - L3	Hip: ER, Adduction, *slight* Flexion Pelvis: Frontal plane stabilization, Sagittal plane stabilization

Origin

Pecten Pubis¹

Insertion

Femur (pectineal line and proximal linea aspera)¹

Innervation

• Femoral N., ref-obturator-nerve (L2, L3)¹

Action

• Hip joint: ER, ADD, slight flex
• Pelvis: Stabilization in coronal and sagittal plane

References

1.

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