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External & Intrinsic Foot Muscles (O,I,A)

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devvies's version from 2017-03-10 19:41

Section 1

Question Answer
Tibial Anterior OriginLateral condyle & upper portion of tibia
Tibial Anterior InsertionMedial cuneiform & first metatarsal
Tibial Anterior ActionDorsiflexes & everts of foot
Extensor Digitorum Longus ActionExtends toes
Extensor Digitorum Brevis ActionHelps extend ties @ metatarsophalangeal joints
Extensor Hallucis Longus ActionDorsiflexes foot & extends hallux (big toe)
memorize

Section 2

Question Answer
Fibularis (peroneus) Longus ActionPlantar flexes foot and everts foot
Fibularis (peroneus) Brevis ActionPlantar flexes foot and everts foot
memorize

Section 3

Question Answer
Soleus OriginHead of fibula, medial border of tibia
Soleus InsertionCalcaneus (via calcaneal tendon)
Soleus ActionPlantar flexes foot
Flexor Digitorum Longus ActionFlexes toes, plantar flexes, & inverts foot
Tibialis Posterior ActionPrime mover of foot inversion
Flexor Hallucis Longus ActionFlexes Hallux (big toe)
memorize

Section 4

Question Answer
Abductor Hallucis ActionAbducts Hallux (big toe)
Abductor Digiti Minimi ActionAbducts and flexes little toe (pinky toe)
Flexor Digitorum Brevis ActionHelps flex toes
memorize