Muscles of the bottom of the foot Flashcards
Abductor Hallucis O
Calcaneus, plantar aponeurosis, flexor retinaculum
Abductor Hallucis I
medial side base prox. phalanx digit #1
Abductor Hallucis A
ABD digit #1, supports MLA
Flexor Digitorum Brevis O
calcaneus, plantar aponeurosis
Flexor Digitorum Brevis I
4 tendons spilt- both sides middle phalanges 2-5
Flexor Digitorum Brevis A
FLEXES PIP 2-4, supports MLA
Abductor Digiti Minimi O
Abductor Digiti Minimi
Abductor Digiti Minimi I
lateral side base prox. phalanx #5
Abductor Digiti Minimi A
ABD digit #5, supports LLA
Quadratus Plantae O
med/lat surfaces of calcaneus
Quadratus Plantae I
margin of FDL tendon
Quadratus Plantae A
aid FDL: FLEX digits 2-5
Lumbricals O
tendons of FDL #1-4 (digits 2-5)
Lumbricals I
extensor expansions digits 2-5
Lumbricals A
FLEX MTP, EXT DIP+PIP
Adductor Hallicis O
oblique: bases MT #2-4
trnsv: plantar ligaments of MTPJs #2-5
Adductor Hallicis I
lateral side of base of prox phalanx #1
Adductor Hallicis A
ADD digit #1, supports TVA
Flexor Hallicis Brevis O
cuboid, lateral cuneiform
Flexor Hallicis Brevis I
med/lat sides prox. phalanx digit #1
Flexor Hallicis Brevis A
FLEX MTP 1, support MLA
Flexor Digiti Minimi Brevis O
base MT #5
Flexor Digiti Minimi Brevis I
base prox. phalanx #5
Flexor Digiti Minimi Brevis A
FLEX MTP #5
Plantar Interossei (3) O
base MT #3-5
Plantar Interossei (3) I
base prox. phalanges #3-5
Plantar Interossei (3) A
ADD digits #3-5
Dorsal Interossei (4) O
adjacent sides MT #1-5
Dorsal Interossei (4) I
Adj side prox. phalanges #2-4
Dorsal Interossei (4) A
ABD digits #2-4
Extensor Digitorum Brevis O
calcaneus
Extensor Digitorum Brevis I
4 tendons- ext. expansions digits #2-5
Extensor Digitorum Brevis A
EXT PIP+DIP #2-5
Extensor Hallicis Brevis O
calcaneus (blend w/ EDB)
Extensor Hallicis Brevis I
base prox. phalanx digit #1
Extensor Hallicis Brevis A
EXT MTP digit #1
All plantar foot muscles are innervated by what levels
S2 S3 via lateral and medial plantar nerves.