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MSS_test3
Gluteal, Thigh, Leg, Foot
48
Physiology
Graduate
10/11/2011

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Term
Gluteus maximus
Definition
extends and laterally rotates hip
inferior gluteal n./a.
Term
Gluteus medius
Definition
abducts and medially rotates hip
superior gluteal n./a.
Term
Gluteus minimus
Definition
abducts and medially rotates hip
superior gluteal n./a.
Term
Tensor fasciae latae
Definition
flexes hip, supports femur on tibia while standing
superior gluteal n./a.
Term
Piriformis
Definition
laterally rotates hip
separates sup./inf. gluteal a/n/v
ventral rami of S1-2
Term
Superior gemellus
Definition
laterally rotates hip
n. to obturator internus
inferior gluteal a.
Term
Gemellus Inferior
Definition
lateral rotator of the thigh (at hip joint)
nerve to quadratus femoris (branch from sacral plexus)

inferior gluteal a.
Term
Obturator Internus
Definition
lateral rotator of the thigh (at hip joint)
nerve to obturator internus

inferior and superior gluteal a.; internal pudendal a.
Term
Quadratus Femoris
Definition
lateral rotator of the thigh (at hip joint)
nerve to quadratus femoris (branch from sacral plexus)
inferior gluteal a.; medial circumflex femoral a.
Term
Sartorius
Definition
flexes, aBducts & laterally rotates thigh; flexes knee
femoral n./a.
Term
Pectineus
Definition
adducts & flexes thigh at hip joint
femoral n./a.
Term
Rectus Femoris
Definition
extends knee and/or flexes thigh at hip
femoral n./a.
Term
Vastus Lateralis
Definition
extends leg at knee
femoral n./a.
Term
Vastus Medialis
Definition
extends leg at knee
femoral n./a.
Term
Vastus Intermedius
Definition
extends leg at knee
femoral n./a.
Term
Gracilis
Definition
adducts thigh & flexes leg at knee
obturator n.
profundi femoral & obturator aa.
Term
Adductor longus
Definition
adducts thigh
obturator n.
profundi femoral & obturator aa.
Term
Adductor Brevis
Definition
adducts thigh & some flexion of thigh
obturator n.
profundi femoral & obturator aa.
Term
Adductor Magnus (adductor part)
Definition
adducts & flexes thigh
obturator n.
profundi femoral & obturator aa.
Term
Adductor Magnus (hamstring part)
Definition
extends thigh at hip
sciatic n.
profundi femoral a.
Term
Obturator Externus
Definition
laterally rotates thigh (at hip joint), steadies head of femur in acetabulum
obturator n.
profundi femoral & obturator aa.
Term
Biceps Femoris
Definition
extends thigh at hip and flexes & laterally rotates leg at knee
short head: common fibular n.; long head: tibial division of sciatic n.
profundi femoral a.
Term
Semitendinosus
Definition
extends thigh at hip and flexes & medially rotates leg at knee joint
tibial division of sciatic n.
profundi femoral a.
Term
Semimembranosus
Definition
extends thigh at hip and flexes & medially rotates leg at knee joint
tibial division of sciatic n.
profundi femoral a.
Term
Tibialis Anterior
Definition
dorsiflexes & inverts foot
deep fibular n.
anterior tibial a.
Term
Extensor Digitorum Longus
Definition
extends toes & dorsiflexes foot
deep fibular n.
anterior tibial a.
Term
Extensor Hallucis Longus
Definition
extends big toe & dorsiflexes foot
deep fibular n.
anterior tibial a.
Term
Fibularis (peroneus) Tertius
Definition
dorsiflexes & everts foot
deep fibular n.
anterior tibial a.
Term
Fibularis (peroneus) Longus
Definition
plantar flexes & everts foot
superficial fibular n.
branches of peroneal (fibular) a.
Term
Fibularis (peroneus) brevis
Definition
plantar flexes & everts foot
superficial fibular n.
branches of peroneal (fibular) a.
Term
Gastrocnemius
Definition
plantar flexes foot & flexes knee
tibial n.
posterior tibial a.
Term
Soleus
Definition
plantar flexes foot at ankle
tibial n.
posterior tibial a.
Term
Plantaris
Definition
assists in flexing knee and plantar flexing foot
tibial n.
posterior tibial a.
Term
Tibialis Posterior
Definition
plantar flexes and inverts foot
tibial n.
posterior tibial a.
Term
Flexor Digitorum Longus
Definition
plantar flexes and inverts foot, flexes distal phalanges of lateral 4 toes
tibial n.
posterior tibial a.
Term
Flexor Hallucis Longus
Definition
plantar flexes foot & flexes distal phalanx of big toe
tibial n.
posterior tibial a.
Term
Popliteus
Definition
rotates femur to unlock an extended knee joint
tibial n.
posterior tibial a.
Term
Extensor Digitorum Brevis
Definition
extends phalanges of toes 2-4 and proximal phalanx of big toe (1st toe)
terminal branch of deep peroneal n.
Term
Dorsal Interossei
Definition
aBducts toes, extends IP joints & flexes MTP joints
lateral plantar n.
Term
ABductor Hallucis
Definition
flexes and aBducts the big toe
medial plantar n.
Term
Flexor Digitorum Brevis
Definition
flexes lateral 4 toes
medial plantar n.
Term
ABductor Digiti Minimi
Definition
flexes and aBducts little toe
lateral plantar n.
Term
Quadratus Plantae
Definition
assists flexor digitorum longus in flexing lateral toes 2-5
lateral plantar n.
Term
Lumbricals
Definition
extends toes at IP joints
1st: medial plantar n.; 2nd-4th: lateral plantar n.
Term
Flexor Hallucis Brevis
Definition
flexes MTP joint of big toe
medial plantar n.
Term
Adductor Hallucis
Definition
flexes MTP joint of big toe; adducts big toe
lateral plantar n.
Term
Flexor Digiti Minimi Brevis
Definition
flexes MTP joint of little toe
lateral plantar n.
Term
Plantar Interossei
Definition
adducts toes, extends IP joints & flexes MTP joints
lateral plantar n.
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