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Intrinsic Muscles of Foot
Intrinsic Muscles of Foot
54
Anatomy
Graduate
12/08/2010

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Term
abductor hallucis origin
Definition
medial tubercle of tuberosity of calcaneus, felx. retinaculum, and plantar aponeurosis
Term
abductor hallucis insertion
Definition
medial base proximal phalanx digit 1
Term
abductor hallucis innervation
Definition
medial plantar
Term
abductor hallucis vasculature
Definition
medial plantar
Term
abductor hallucis main action
Definition
abd. and felx great toe
Term
flexor digitorum brevis origin
Definition
medial tubercle of tuberosity of calcaneus, plantar aponeurosis
Term
flexor digitorum brevis insertion
Definition
both sides mid. phalanges of digits 2-5
Term
flexor digitorum brevis innervation
Definition
medial plantar
Term
flexor digitorum brevis vasculature
Definition
med. plantar
Term
flexor digitorum brevis
Definition
flex digits 2-5
Term
adductor digit minimi origin
Definition
med. and lat. tubercles of tuberosity of calcaneus, plantar aponeurosis
Term
abductor digiti minimi insertion
Definition
lateral base proximal phalanx of digit 5
Term
abductor digit minimi innervation
Definition
lateral plantar
Term
abductor digit minimi vasculature
Definition
lateral plantar
Term
abductor digiti minimi main action
Definition
abd. and flex. digit 5
Term
quadratus plantae origin
Definition
med. and lat. plantar calcaneus
Term
quadratus plantae insertion
Definition
posterolat. margin of tendon of FDL
Term
quadratus plantae innervation
Definition
lat. plantar
Term
quadratus plantae vasculature
Definition
lat. plantar
Term
quadratus plantae main action
Definition
assists FDL in flex. digits 2-5
Term
Lumbricals origin
Definition
tendons of FDL
Term
lumbricals insertion
Definition
med. side of expansion over digits 2-5
Term
lumbricals innervation
Definition
medial 1: medial plantar; lateral 3: lateral plantar
Term
lumbricals vasculature
Definition
medial 1: medial plantar; lateral 3: lateral plantar
Term
lumbricals main action
Definition
flex. proximal phalanges and extend middle and distal phalanges of digits 2-5
Term
flexor hallucis brevis origin
Definition
plantar cuboid and lateral cuneiforms
Term
flexor hallucis brevis insertion
Definition
both sides of base proximal phalanx of digit 1
Term
flexor hallucis brevis innervation
Definition
med plantar
Term
flexor hallucis brevis vasculature
Definition
med plantar
Term
flexor hallucis main action
Definition
flex. prox. phalanx of digit 1
Term
adductor hallucis origin
Definition
oblique: bases of MT 2-4
transverse: plantar ligaments of MTP joints.
Term
adductor hallucis insertion
Definition
lateral side base proximal phalanx of digit 1
Term
adductor hallucis innervation
Definition
lateral plantar
Term
adductor hallucis vasculature
Definition
lateral plantar
Term
adductor hallucis main action
Definition
adduct digit 1; assists in maintaing transverse arch
Term
flexor digit minimi origin
Definition
base MT 5
Term
flexor digiti minimi insertion
Definition
base prox. phalanx digit 5
Term
flexor digiti minimi innervation
Definition
lateral plantar
Term
flexor digiti minimi vasculature
Definition
lateral plantar
Term
flexor digiti minimi main action
Definition
flex. prox. phalanx of digit 5
Term
plantar interossei (3) origin
Definition
bases and med. MT 3-5
Term
plantar interossei (3) insertion
Definition
med. sides base prox. phalanges of digits 3-5
Term
plantar interossei (3) innervation
Definition
lateral plantar
Term
plantar interossei (3) vasculature
Definition
lateral plantar arch
Term
plantar interossei (3) main action
Definition
add. digits 3-5; flex. MTP joints
Term
dorsal interossei (4) origin
Definition
adjacent sides of MT 1-5
Term
dorsal interossei (4) insertion
Definition
1: medial proximalphaland of digit 2
2-4: lateral sides of digits 2-4
Term
dorsal interossei (4) innervation
Definition
lateral plantar
Term
dorsal interossei (4) main action
Definition
abd. digits 2-4; flex MTP joints.
Term
extensor digitorum brevis origin
Definition
anterolateral calcaneus and inf. ext. retinaculum
Term
extensor digitorum brevis insertion
Definition
mid. and dist. phalanges of digits 2-4
Term
extensor digitorum brevis innervation
Definition
deep peroneal
Term
extensor digitorum brevis vasculature
Definition
dorsalis pedis
Term
extensor digitorum brevis main action
Definition
ext. digits 2-4
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