Foot Muscles Flashcards
Second layer of sole of foot
Quadratus plantae and lumbricals
First layer of muscles of sole of foot
Abductor hallucis, flexor digitorum brevis, abductor digiti minimi
Third layer of sole of foot
Flexor hallucis brevis, adductor hallucis, flexor digiti minimi brevis
Fourth layer of sole of foot
Plantar interossei (3) and dorsal interossei (4)
Abductor hallucis origin
Medial tubercle of tuberosity of calcaneus, flexor retinaculum and plantar aponeurosis
Abductor hallucis insertion
Medial side of base of proximal phalanx of 1st digit
Abductor hiatus innervation
Medial plantar nerve
S2, s3
Abductor hiatus action
Abducts and flexes first digit
Flexor digitorum brevis origin
Medial tubercle of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa
Flexor digitorum brevis insertion
Both sides of middle phalanges of lateral four digits
Flexor digitorum brevis innervation
Medial plantar nerve
S2, s3
Flexor digitorum brevis action
Flexes lateral four digits
Abductor digiti minimi origin
Medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis and intermuscular septa
Abductor digiti minimi insertion
Lateral side of base of proximal phalanx of fifth digit
Abductor digiti minimi innervation
Lateral plantar nerve
S2, s3
Abductor digiti minimi action
Abducts and flexes fifth digit
Quadratus plantae origin
Medial surface and lateral margin of plantar surface of calcaneus
Quadratus plantae insertion
Posterolateral margin of tendon of flexor digitorum brevis