Muscles Of Sole Of Foot Flashcards
Insertion of abductor hallucis
Medial side of base of proximal phalanx of 1st digit
Origin of abductor hallucis
Medial tubercle on the tuberosity of the calcaneous, flexor retinaculum, plantar aponeurosis
Innervation of abductor hallucis
Medial plantar nerve S2 and S3
Action of abductor hallucis
Abducts the 1st digit
Flexor digitorum brevis
Medial tubercle on the tuberosity of the calcaenous, plantar aponeurosis, intermuscular septa
Insertion of the flexor digitorum brevis
Both sides of middle phalanges of lateral four fingers
Innervation of flexor digitorum
Medial plantar nerve S2 and S3
Action of flexor digitorum brevis
Flexes lateral four digits
Origin of abductor digiti minimi
MediAl and lateral tubercles on the tuberosity of the calcaneous, plantar aponeurosis, intermuscular septa
Insertion of abductor digiti minimi
Lateral side of base of proximal phalanx of 5th digit
Innervation of the abductor digiti minimi
Lateral plantar nerve S2 and S3
Action of abductor digiti minimi
Abducts and flexes 5th digit
Origin of quadratus plantae
Medial surface and lateral margin of plantar surface of calcaneous
Insertion of quadratus plantae
Posterolateral margin of tendon of flexor digitorum longus
Innervation of quadratus plantae
Lateral plantar nerve S2 and S3
Action of quadratus plantae
Assists flexor digitorum longus in flexing lateral four digits
Origin of lumbricals
Tendons of flexor digitorum longus
Insertion of lumbricals
Medial aspect of expansion over lateral four digits
Innervation of lumbricals
Medial: medial plantar nerve
Lateral: lateral plantar nerve S2 and S3
Action of lumbricals
Flex proximal phalanges , extend middle and distal phalanges of lateral four digits
Origin of flexor hallucis brevis
Plantar surface of cuboid and lateral cuneiform
Insertion of flexor hallucis brevis
Both sides of bases of proximal phalanx of 1st digit
Innervation of flexor hallucis brevis
Medial plantar nerve S2 and S3
Action of flexor hallucis brevis
Flexes proximal phalanx of 1st digit
Origin of adductor hallucis
Oblique head: bases of metatarsAls 2-4
Transverse head: plantar ligament of 3-5 metatarsophalangeal joints
Insertion of adductor hallucis
Tendons of both heads attach to lateral side of base of proximal phalanx 1st digit
Innervation adductor hallucis
Deep branch of lateral plantar nerve S2 and S3
Action of adductor hallucis
Adducts 1st digit, assists in maintaining transverse arch of foot
Origin of flexor digiti minimi brevis
Base of 5th metatarsals
Insertion of flexor digiti minimi
Base of proximal phalanx of 5th digit
Innervation of flexor digiti minimi brevis
Superficial branch of lateral plantar n S2 and S3
Action of flexor digiti minimi brevis
Flexes proximal phalanx of 5th digit