Muscles, Nerves, BV - Foot Flashcards
deep fibular nerve innervate these muscles
extensor hallucis brevis, extensor digitorum brevis
extensor hallucis brevis action
extend the big toe
first layer of plantar of foot which is a continuation of the blank fascia
plantar aponeurosis, crural
layer 1 muscles in plantar foot
abductor hallucis, abductor digiti minimi, flexor digitorum brevis
medial plantar nerve innervates these muscles in layer 1
abductor hallucis, flexor digitorum brevis
lateral plantar nerve innervates this layer 1 muscle
abductor digiti minimi
layer 2 muscles
quadratus plantae, lumbricals
layer 2 tendons
flexor digitorum longus, flexor hallucis longus
flexor digitorum longus action
flexes met, and phalanges 2-5
lateral plantar nerve innervates this 2nd layer muscle
quadratus plantae, lateral three lumbrics
medial plantar nerve innervates this layer 2 muscle
medial lumbrical
roots of medial and lateral plantar nerves
s2, s3
layer 3 muscle innervated by medial plantar nerve
flexor hallucis brevis
3 layer 3 muscles
flexor hallucis brevis (medial/lateral heads), adductor hallucis (transverse/oblique heads), flexor digiti minimi
layer 4 muscles of plantar foot
3 plantar interossei, 4 dorsal interossei
2nd digit gets 2 blank muscles so it is stable
dorsal interossei
dorsal interossei abduct these digits
2,3,4,
palmar and dorsal interossei are innervated by
lateral plantar nerve
dorsal cutaneous surface of foot is innervated by these nerves
superficial/ deep fibular
deep fibular nerve cutaneous innervation
between toes 1,2
plantar surface cutaneous innervated by blank nerves
medial/lateral plantar nerves
dorsal arch artery of foot
arcuate artery