Anterior compartment of thigh

Anterior compartment of thigh

Cross-section through the middle of the thigh. (Anterior compartment is at upper left.)
Gray's	subject #128 468
Artery	femoral artery
Nerve	femoral nerve

The anterior fascial compartment of thigh contains the knee extensors and hip flexors.

It contains the following five muscles:^[1]

The articularis genu is sometimes included in this group.^[2]

The iliopsoas is sometimes considered a member of this group;^[3]^[2] however, the psoas portions do not share the same innervation.

[edit] Additional images

Anterior aspect of right leg.

Muscles of lower extremity

The leg extension is an isolation exercise.

^ Sauerland, Eberhardt K.; Patrick W., PhD. Tank; Tank, Patrick W. (2005). Grant's dissector. Hagerstown, MD: Lippincott Williams & Wilkins, 125. ISBN 0-7817-5484-4.
^ ^a ^b "Summary of Lower Limb". Retrieved on 2008-01-27.
^ Ellis, Harold; Susan Standring; Gray, Henry David (2005). Gray's anatomy: the anatomical basis of clinical practice. St. Louis, Mo: Elsevier Churchill Livingstone, 518. ISBN 0-443-07168-3.

v • d • e

Anterior	sartorius - quadriceps (rectus femoris, vastus lateralis, vastus intermedius, vastus medialis) - articularis genu

Posterior/hamstring	biceps femoris - semitendinosus - semimembranosus

Medial	pectineus - obturator externus - gracilis - adductor (longus, brevis, magnus)

Anterior	tibialis anterior - extensor hallucis longus - extensor digitorum longus - peroneus tertius

Posterior	superficial - calf/triceps surae (gastrocnemius, soleus) - plantaris deep - tarsal tunnel (flexor hallucis longus, flexor digitorum longus, tibialis posterior) - popliteus

Lateral	peroneus muscles (longus, brevis)

Dorsal	extensor hallucis brevis - extensor digitorum brevis

Plantar	1st layer (abductor hallucis, flexor digitorum brevis, abductor digiti minimi) 2nd layer (quadratus plantae, lumbrical muscle) 3rd layer (flexor hallucis brevis, adductor hallucis, flexor digiti minimi brevis) 4th layer (dorsal interossei, plantar interossei)

v • d • e General anatomy of lower limbs

Buttocks	Gluteal sulcus - Gluteal cleft

Thigh	Fascial compartments of thigh (Anterior, Medial, Posterior) Inguinal ligament • Pectineal ligament • Lacunar ligament • Reflected inguinal ligament • Conjoint tendon • Interfoveolar ligament Obturator membrane/Obturator canal Femoral triangle • Femoral sheath (Femoral canal) • Femoral ring Adductor canal • Adductor hiatus fascia/fascia lata (Iliotibial tract, Lateral intermuscular septum of thigh, Medial intermuscular septum of thigh, Fascia cribrosa/Saphenous opening)

Crus (anatomic leg)	Popliteal fossa • Calf • Shin • Pes anserinus • Interosseous membrane of the leg Fascial compartments of leg (Anterior, Lateral, Posterior) fascia/crural fascia (Anterior crural intermuscular septum, Posterior crural intermuscular septum, Transverse intermuscular septum)

Foot	Heel • Toe (Hallux, Fifth toe) • Sole • Achilles tendon • Tarsal tunnel fascia (Plantar fascia) retinacula (Peroneal, Inferior extensor, Superior extensor, Flexor)

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