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Adductor longus muscle

Skeletal muscle located in the thigh

Summary

Skeletal muscle located in the thigh

Field	Value
Name	Adductor longus muscle
Latin	musculus adductor longus
Image	Anterior Hip Muscles 2.PNG
Caption	The adductor longus and nearby muscles
Image2	Gray344.png
Caption2	Structures surrounding right hip-joint. (Adductor longus at upper right.)
Origin	Pubic body just below the pubic crest
Insertion	Middle third of linea aspera
Blood	Deep femoral artery
Nerve	Anterior branch of obturator nerve
Action	Adduction of hip, flexion of hip joint

In the human body, the adductor longus is a skeletal muscle located in the thigh. One of the adductor muscles of the hip, its main function is to adduct the thigh and it is innervated by the obturator nerve. It forms the medial wall of the femoral triangle.

Structure

The adductor longus arises from the body of pubis inferior to pubic crest and lateral to pubic symphysis.

It lies ventrally on the adductor magnus, and near the femur, the adductor brevis is interposed between these two muscles. Distally, the fibers of the adductor longus extend into the adductor canal.

It is inserted into the middle third of the medial lip of the linea aspera.

Innervation

As part of the medial compartment of the thigh, the adductor longus is innervated by the anterior division (sometimes the posterior division) of the obturator nerve. The obturator nerve exits via the anterior rami of the spinal cord from L2, L3, and L4.

Relations

The adductor longus is in relation by its anterior surface with the pubic portion of the fascia lata, and near its insertion with the femoral artery and vein.

By its posterior surface with the adductor brevis and magnus, the anterior branches of the obturator artery, vein, and nerves, and near its insertion with the profunda artery and vein.

By its outer border with the pectineus, and by the inner border with the gracilis.{{cite book

Actions

Its main actions are to adduct and externally rotate the thigh; it can also produce some degree of flexion/anteversion.

Development

Adductor longus is derived from the myotome of spinal roots L2, L3, and L4.{{cite book

Additional images

File:Gray235.png|Right hip bone. External surface. File:Gray430.png|Muscles of the iliac and anterior femoral regions. File:Gray433.png|Deep muscles of the medial femoral region. File:Gray549.png|The left femoral triangle. File:Gray550.png|The femoral artery. File:Gray823.png|The lumbar plexus and its branches. File:Thigh cross section.svg|Cross section through thigh. File:Anatomical dissection7.JPG|Adductor longus muscle File:Slide3eee.JPG|Adductor longus muscle File:Slide2rrr.JPG|Adductor longus muscle File:Slide10CCCC.JPG|Adductor longus muscle File:Slide3FFFFF.JPG|Adductor longus muscle File:Slide5GGGGG.JPG|Adductor longus muscle File:Slide5JJJJ.JPG|Adductor longus muscle File:Slide5LLLL.JPG|Adductor longus muscle File:Slide16LLLL.JPG|Adductor longus muscle File:Slide2EA.JPG|Muscles of thigh. Cross section. File:Slide1DEEA.JPG|Muscles of thigh. Anterior views.

References

Saladin, Kenneth S. Anatomy & Physiology: The Unity of Form and Function. 5th ed. Boston: McGraw-Hill, 2009.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

hip-adductors hip-flexors thigh-muscles medial-compartment-of-thigh

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