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Internal Obturator
From WikiMSK
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Internal Obturator
This article is a stub.
Internal Obturator
Muscle Type
Origin
Inner surface of obturator membrane and rim of pubis and ischium bordering membrane
Insertion
Middle part of medial aspect of greater trochanter of femur
Action
Abducts & externally rotates the extended hip and abducts the flexed thigh at the hip, and stabilises the hip during walking
Synergists
Antagonists
Spinal innervation
Peripheral Innervation
Vasculature
Inferior gluteal artery
v
t
e
Muscles
of the
Hip
and Lower Limb
Iliac region
Iliopsoas
psoas major
/
psoas minor
iliacus
Buttocks
Gluteal Muscles
Maximus
Medius
Minimus
Tensor Fascia Lata
Lateral rotator group
:
quadratus femoris
inferior gemellus
superior gemellus
internal obturator
external obturator
piriformis
Thigh
/
compartments
Anterior
sartorius
quadriceps
rectus femoris
vastus lateralis
vastus intermedius
Vastus Medialis
articularis genus
Posterior
Hamstring Muscles
biceps femoris
semitendinosus
semimembranosus
Medial
pectineus
external obturator
gracilis
adductor
longus
brevis
magnus
minimus
Fascia
Femoral Sheath
Femoral Canal
Femoral Ring
Adductor Canal
Adductor Hiatus
Muscular Lacuna
fascia lata
Iliotibial Rract
Lateral Intermuscular Septum of the Thigh
Medial Intermuscular Septum of the Thigh
Cribriform Fascia
Leg
/
compartments
Anterior
tibialis anterior
extensor hallucis longus
extensor digitorum longus
Peroneus Tertius
Posterior
superficial
triceps surae
gastrocnemius
soleus
accessory soleus
Achilles Tendon
plantaris
deep
Tarsal Tunnel
flexor hallucis longus
flexor digitorum longus
tibialis posterior
popliteus
Lateral
Peroneus Muscles
longus
brevis
Fascia
Pes anserinus
Intermuscular septa
anterior
posterior
transverse
Foot
Dorsal
extensor hallucis brevis
extensor digitorum brevis
Plantar
1st layer
abductor hallucis
flexor digitorum brevis
abductor digiti minimi
2nd layer
quadratus plantae
lumbrical muscles
3rd layer
flexor hallucis brevis
adductor hallucis
flexor digiti minimi brevis
4th layer
dorsal interossei
plantar interossei
Fascia
Plantar Fascia
retinacula
Peroneal
Inferior extensor
Superior extensor
Flexor
Categories
:
Stubs
Muscles
Muscles of the Lower Limb