Leg and Foot Muscle OIA

Tibialis Anterior Origin

lateral condyle of proximal lateral tibia; interosseous membrane

Tibialis Anterior Insertion

medial cuneiform; base of 1st metatarsal

Extensor Digitorum Longus Origin

lateral condyle of tibia; proximal anterior surface of fubula

Extensor Digitorum Longus Insertion

middle and distal phalanges of digits 2-5

Extensor Hallucis Longus Origin

middle anterior surface of fibula

Extensor Hallucis Longus Insertion

dorsal aspect of base of distal phalanx of great toe

Fibularis Longus Origin

head of fibula; proximal lateral fibula

Fibularis Longus Insertion

plantar base of 1st metatarsal; plantar surface of medial cuneiform

Fibularis Brevis Origin

distal lateral surface of fibula

Fibularis Brevis Insertion

dorsal surface of 5th metatarsal tuberosity

Fibularis Tertius Origin

distal anterior surface of fibula

Fibularis Tertius Insertion

dorsal base of 5th metatarsal

Gastrocnemius Origin

lateral surface of lateral condyle of femur; popliteal surface superior to medial condyle of femur

Gastrocnemius Insertion

posterior calcaneus

Soleus Origin

posterior fibular head; proximal posterior surface of fibula; soleal line of tibia

Soleus Insertion

posterior calcaneus

Plantaris Origin

inferior end of lateral supracondylar line of femur

Plantaris Insertion

posterior calcaneus

Popliteus Origin

lateral surface of the lateral condyle of the femur; lateral meniscus

Popliteus Insertion

posterior tibia superior to soleal line

Flexor Hallucis Longus Origin

distal posterior fibula; interosseous membrane

Flexor Hallucis Longus Insertion

plantar base of distal phalanx of great toe

Flexor Digitorum Longus Origin

medial posterior tibia inferior to soleal line

Flexor Digitorum Longus Insertion

plantar bases of distal phalanges of digits 2-5

Tibialis Posterior Origin

posterior tibia inferior to soleal line; proximal posterior fibula; interosseous membrane

Tibialis Posterior Insertion

tuberosity of navicular bone; plantar surface of cuneiforms; plantar surface of cuboid; plantar bases of 2-4 metatarsals

Abductor Digiti Minimi Origin

medial and later tubercles of calcaneus

Abductor Digiti Minimi Insertion

lateral base of proximal phalanx of 5th digit

Abductor Hallucis Origin

medial tubercle of calcaneus

Abductor Hallucis Insertion

medial surface of base of proximal phalanx of 1st digit

Flexor Digitorum Brevis Origin

medial tubercle of calcaneus

Flexor Digitorum Brevis Insertion

both sides of middle phalanges of digits 2-5

Quadratus Plantae Origin

medial and lateral margins of plantar surface of calcaneus

Quadratus Plantae Insertion

posterolateral edge of flexor digitorum longus tendon

Lumbricals Origin

tendons of flexor digitorum longus

Lumbricals Insertion

medial side of dorsal digital expansions of digits 2-5

Flexor Digiti Minimi Brevis Origin

base of 5th metatarsal

Flexor Digiti Minimi Brevis Insertion

lateral base of proximal phalanx of 5th digit

Flexor Hallucis Brevis Origin

plantar surface of cuboid; plantar surface of lateral cuneiform

Flexor Hallucis Brevis Insertion

both sides of base of proximal phalanx of 1st digit

Adductor Hallucis Origin

bases of 2-4 metatarsals; metatarsophalangeal joints of digits 3-5

Adductor Hallucis Insertion

lateral base of proximal phalanx of 1st digit

Plantar Interossei Origin

bases and medial sides of 3-5 metatarsals

Plantar Interossei Insertion

medial sides of bases of proximal phalanges of digits 3-5

Dorsal Interossei Origin

adjacent surfaces of 1-5 metatarsals

Dorsal Interossei Insertion

medial side of proximal phalanx of 2 digit; lateral sides of digits 2-4

Extensor Digitorum Brevis and Extensor Hallucis Brevis Origin

superolateral surface of calcaneus

Extensor Digitorum Brevis and Extensor Hallucis Brevis Insertion

dorsal surface of proximal phalanx of great toe; lateral sides of tendons of extensor digitorum longus 2-4