The pectineus and nearby muscles
Structures passing behind the inguinal ligament (pectineus visible at bottom right.)
|Origin||Pectineal line of the pubic bone|
|Insertion||Pectineal line of the femur|
|Femoral nerve, sometimes obturator nerve|
|Actions||Thigh - flexion, adduction|
|Anatomical terms of muscle|
The pectineus muscle (from the Latin word pecten, meaning comb) is a flat, quadrangular muscle, situated at the anterior (front) part of the upper and medial (inner) aspect of the thigh. The pectineus muscle is the most anterior adductor of the hip. The muscle does adduct and medially rotate the thigh but its primary function is hip flexion.
The pectineus muscle arises from the pectineal line of the pubis and to a slight extent from the surface of bone in front of it, between the iliopectineal eminence and pubic tubercle, and from the fascia covering the anterior surface of the muscle; the fibers pass downward, backward, and lateral, to be inserted into the pectineal line of the femur which leads from the lesser trochanter to the linea aspera.
The pectineus is in relation by its anterior surface with the pubic portion of the fascia lata, which separates it from the femoral artery and vein and internal saphenous vein, and lower down with the profunda artery.
By its internal border with the outer edge of the adductor longus.
- Mosby's Medical, Nursing & Allied Health Dictionary, Fourth Edition, Mosby-Year Book Inc., 1994, p. 1177
- Ellis, Harold; Susan Standring; Gray, Henry David (2005). Gray's anatomy: the anatomical basis of clinical practice. St. Louis, Mo: Elsevier Churchill Livingstone. p. 518. ISBN 0-443-07168-3.
- medialthigh at The Anatomy Lesson by Wesley Norman (Georgetown University)
- Wilson, Erasmus (1851). The anatomist's vade mecum: a system of human anatomy. p. 260.
- -1301610416 at GPnotebook
- Anatomy figure: 12:02-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Muscles of the anterior (extensor) compartment of the thigh."
- Anatomy figure: 12:03-04 at Human Anatomy Online, SUNY Downstate Medical Center - "Deep muscles of the anterior thigh."
- Cross section image: pelvis/pelvis-e12-15 - Plastination Laboratory at the Medical University of Vienna