Foot Muscles

Extensor Hallucis Bevis Origin

dorsal surface of calcaneus

Extensor Hallucis Bevis Insertion

proximal phalanx of hallux

Extensor Hallucis Bevis Innervation

deep fibular nerve

Extensor Hallucis Bevis Actions

extension of great hallux at MTP joint

Extensor Hallucis Bevis Blood Supply 

dorsalis pedis artery

Extensor Digitorum Brevis Origin

dorsal surface of calcaneus

Extensor Digitorum Brevis Insertion

long tendons of digits 2 to 4

Extensor Digitorum Brevis Innervation 

deep fibular nerve

Extensor Digitorum Brevis Actions

extension of digits 2 to 4 at MTP and IP joints

Extensor Digitorum Brevis Blood Supply

dorsalis pedis artery

Adductor Hallucis Origin 

medial tubercle of tuberosity of calcaneus, flexor retinaculum, plantar aponeurosis 

Adductor Hallucis Insertion

media side of base of proximal phalanx of digit 1

Adductor Hallucis Innervation

medial plantar nerve

Adductor Hallucis Actions

abduction and flexion of digit 1

Adductor Hallucis Blood Supply

medial plantar artery

Flexor Digitorum Brevis Origin

medial tubercle of tuberosity of calcaneus, plantar aponeurosis, inter muscular septa

Flexor Digitorum Brevis Insertion 

both sides of middle phalanges of lateral four digits 

Flexor Digitorum Brevis Innervation

medial plantar nerve

Flexor Digitorum Brevis Actions

flexion of digits 2 to 5

Flexor Digitorum Brevis Blood Supply 

medial plantar artery 

Abductor Digiti Minimi Origin

meidal and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis, inter muscular septa

Abductor Digiti Minimi Insertion

lateral side of base of proximal phalanx of digit 5

Abductor Digiti Minimi Innervation 

lateral plantar nerve

Abductor Digiti Minimi Actions

abduction and flexion of digit 5

Abductor Digiti Minimi Blood Supply

lateral plantar artery

Quadratus Plantae Origin 

medial and lateral margin of plantar surface of calcaneus 

Quadratus Plantae Insertion

posterolateral margin of tendon of flexor digitorum longus

Quadratus Plantae Innervation

Lateral plantar nerve

Quadratus Plantae Actions 

flexion of digits 2 to 5 

Quadratus Plantae Blood Supply

lateral plantar artery

Lumbricals (4) Origin

tendons or flexor digitorum longus

Lumbricals (4) Insertion 

medial aspect of expansion over lateral 4 digits 

Lumbricals (4) Innervation

medial plantar nerve (medial one)

lateral plantar nerve (lateral three)

Lumbricals (4) Actions

flex proximal phalanges at MTP joint, extend middle and distal phalanges of digits 2 to 5

Lumbricals (4) Blood Supply 

lateral plantar artery 

Flexor Digiti Minimi Origin

base of fifth metatarsal

Flexor Digiti Minimi Insertion

base of proximal phalanx of digit 5

Flexor Digiti Minimi Innervation 

lateral plantar nerve

Flexor Digiti Minimi Actions

flexion of proximal phalanx of digit 5

Flexor Digiti Minimi Blood Supply

lateral plantar artery

Flexor Hallucis Brevis Origin 

cuboid and lateral cuneiform 

Flexor Hallucis Brevis Insertion

both sides of base of proximal phalanx of digit 1

Flexor Hallucis Brevis Innervation

medial plantar nerve

Flexor Hallucis Brevis Actions 

flexion of digit 1

Flexor Hallucis Brevis Blood Supply

medial plantar artery

Adductor Hallucis Origin

oblique head: bases of metatarsals 2 to 4

transverse head: plantar ligament of MTP joints 3 to 5

Adductor Hallucis Insertion 

lateral surface of proximal phalanx of digit 1 

Adductor Hallucis Innervation

lateral plantar nerve

Adductor Hallucis Actions

adduction and flexion of digit 1

Adductor Hallucis Blood Supply 

medial and lateral plantar arteries, plantar arch 

Plantar Interossei Origin

bases and medial sides of metatarsals 3-5

Plantar Interossei Insertion

medial sides of proximal phalanges of digits 3 to 5

Plantar Interossei Innervation 

lateral plantar nerve

Plantar Interossei Actions

adduction digits 3-5, flexion of MTP joint at digits 3-5

Plantar Interossei Blood Supply

plantar and dorsal metatarsal arteries

Dorsal Interossei Origin 

adjacent sides of metatarsals 1 to 5

Dorsal Interossei Insertion

1st: medial side of proximal phalanx of digit 2

2nd to 4th: lateral sides of digits 2 to 4

Dorsal Interossei Innervation

lateral plantar nerve

Dorsal Interossei Actions 

abduction of digits 2 to 4, flexion of MTP joint at digits 2 to 4

Dorsal Interossei Blood Supply

plantar and dorsal metatarsal arteries