Foot/Ankle Flashcards
origin of tibialis anterior
lateral condyle
proximal 1/2 lateral surface of tibia
adjacent interosseous membrane
insertion of tibialis anterior
medial cuneiform bone
base of 1st metatarsal bone
action of tibialis anterior
dorsiflexion
origin of extensor digitorum longus
lateral condyle of tibia
adjacent interosseous membrane
insertion of extensor digitorum longus
dorsal aspects of middle and distal phalanges of 2, 3, 4, 5 toes
action of extensor digitorum longus
extensor of toes
dorsiflexor of ankle
origin of extensor hallucis longus
medial surface of fibula
adjacent interosseous membrane
insertion of extensor hallucis longus
dorsal base of distal phalanx of big toe
action of extensor hallucis longus
extensor of big toe
dorsiflexor of ankle
origin of tibialis posterior
posterior surface of tibia and fibula
adjacent interosseous membrane
insertion of tibialis posterior
tuberosity of navicular bone
lateral cuneiform bone
plantar base of 2nd-4th metatarsal bones
action of tibialis posterior
inverts
plantar flexor
origin of flexor digitorum longus
posterior surface of tibia
insertion of flexor digitorum longus
plantar aspects of bases of distal phalanges of 2, 3, 4, 5 toes
action of flexor digitorum longus
flexor of 2, 3, 4, 5 toes
plantar flex foot at ankle
origin of flexor hallucis longus
posterior fibula
adjacent interosseous membrane
insertion of flexor hallucis longus
plantar base of distal phalanx of big toe
action of flexor hallucis longus
flexor of big toe
plantar flexor of foot
origin of extensor digitorum brevis
dorsolateral calcaneus
inferior extensor retinaculum
talocalcaneal interosseous ligament
insertion of extensor digitorum brevis
extensor expansions of 2, 3, 4 toes
action of extensor digitorum brevis
extensor of 2, 3, 4 toes
origin of flexor digitorum brevis
calcaneal tuberosity
insertion of flexor digitorum brevis
plantar bodies of middle phalanges of 2, 3, 4, 5 toes
action of flexor digitorum brevis
flexor of 2, 3 , 4 toes
origin of lumbricals
tendons of flexor digitorum longus
insertion of lumbricals
medial bases of proximal phalanges
extensor expansion of 2, 3, 4, 5
action of lumbricals
flexor
extensor of 2, 3, 4 , 5 toes
origin of dorsal interossei
opposing sides of metatarsal bones 1-5
insertion of dorsal interossei
1 = medial base of proximal phalanxes
2-4 = lateral base of proximal phalanges
action of dorsal interossei
abduct 2, 3, 4 toes at metatarsophalangeal joint
flexor
extensor
origin of plantar interossei
medial aspects of metatarsal bones 3-5
insertion of plantar interossei
medial bases of proximal phalanges
extensor expansions of digits 3-5
action of plantar interossei
metatarsophalangeal joints 3-5 = toe flexion and adduction
interphalangeal joints 3-5 = toe extension
origin of peroneus longus
head and lateral surface of fibula
insertion of peroneus longus
plantar surface of medial cuneiform bone
base of 1st metatarsal bone
action of peroneus longus
eversion
plantarflexion
origin of peroneus brevis
lateral surface of fibula
insertion of peroneus brevis
tuberosity of 5th metatarsal bone
action of peroneus brevis
eversion
plantarflexion
origin of peroneus tertius
medial surface of fibula
adjacent interosseous membrane
insertion of peroneus tertius
dorsal aspect of base + body of 5th metatarsal bone
action of peroneus tertius
dorsiflexor
eversion
intrinsic dorsal muscle?
extensor digitorum brevis
extensor hallucis brevis
intrinsic plantar muscles - layer 1
abductor hallucis
flexor digiti brevis
abductor digiti minimi
intrinsic plantar muscles - layer 2
quadratus plantae
lumbricals
intrinsic plantar muscles - layer 3
flexor hallucis brevis
adductor hallucis
flexor + digit minimi brevis
intrinsic plantar muscles - layer 4
plantar interossei
dorsal interossei