Muscles Of The Lower Extremity

Front 1

Abductor Hallucis Origin

Back 1

Medial calcaneal wall

Front 2

Abductor Hallucis Insertion

Back 2

Tibial sesamoid and medial base of proximal phalanx of hallux

Front 3

Flexor Digitorum Brevis Origin

Back 3

Calcaneal tuberosity

Front 4

Flexor Digitorum Brevis Insertion

Back 4

Plantar surface of middle phalanx

Front 5

Abductor Digiti Quinti Origin

Back 5

Lateral calcaneal wall

Front 6

Abductor Digiti Quinti Insertion

Back 6

lateral aspect of base of proximal phalan

Front 7

Quadratus Plantae Origin

Back 7

Two calcaneal heads

Front 8

Quadratus Plantae Insertion

Back 8

Lateral aspect of the FDL tendon

Front 9

Lumbricales Origin

Back 9

1st originates from medial aspect of FDL to the 2nd toe, the 2nd originates from the 1st and 2nd FDL tendons,3rd originates from 2nd and 3rd FDL tendons, 4th from 3rd and 4th FDL tendons

Front 10

Lumbricales Insertion

Back 10

Medial aspect of proximal phalanges and fibrous expansion of dorsal hood of the 2nd-5th toes

Front 11

Flexor Hallucis Brevis Origin

Back 11

Medial Arm - Tendons of tibialis posterior
Lateral Arm -Cuboid, 3rd cuneiform, peroneus longus tendon, long and short plantar ligaments

Front 12

Flexor Hallucis Brevis Insertion

Back 12

Medial Arm-Metatarsal bases
Lateral Arm - base of the proximal phalanx

Front 13

Adductor Hallucis origin

Back 13

Oblique Head-2nd, 3rd, and 4th metatarsal bases
Transverse head - plantar plates of 3rd, 4th and 5th MTPJs

Front 14

Adductor Hallucis Insertion

Back 14

Oblique and Transverse head - Fibular sesamoid, plantar plate,and lateral aspect base of proximal phalanx

Front 15

Flexor Digiti Minimi Brevis Origin

Back 15

Plantar aspect of cuboid and 5th metatarsal base

Front 16

Flexor Digit Minimi Brevis Insertion

Back 16

Plantar base of proximal phalanx of 5th toe.

Front 17

Dorsal Interossei Origin

Back 17

1st -adjacent surfaces of 1st and 2nd metatarsals
2nd - adjacent surfaces of 2nd and 3rd metatarsals
3rd - adjacent srfaces of 3rd and 4th metatarsals
4th - adjacent surfaces of 4th and 5th metatarsals

Front 18

Dorsal Interossei Insertion

Back 18

1st: Base of proximal phalanx of 2nd toe medially
2-4: bases of 2nd, 3rd,4th, toe proximal phalanges laterally

Front 19

Plantar Interossei Origin

Back 19

Medial aspect of 3rd, 4th, 5th metatarsal shafts and bases

Front 20

Plantar Interossei Insertion

Back 20

Medial aspect into medial aspect of proximal phalanges of digits 3,4, and 5.

Front 21

Extensor Hallucis Brevis Origin

Back 21

Lateral aspect of calcaneal sulcus and cervical ligament

Front 22

Extensor Hallucis Brevis Insertion

Back 22

Dorsal aspect of the proximal phalanx of the hallux

Front 23

Extensor Digitorum Brevis origin

Back 23

Lateral aspect of calcaneal sulcus and cervical ligament

Front 24

Extensor Digitorum Brevis Insertion

Back 24

Fourslips insert int lateral aspect of EDL tendons to 2nd, 3rd and 4th toes.

Front 25

Tibialis Anterior Origin

Back 25

Lateral superior condyle and shaft of tibia, IO membrane, Deep crural fascia, intermuscular septom adjacent to EDL

Front 26

Tibialis Anterior Insertion

Back 26

Medial cuneiform and base of 1st metatarsal

Front 27

Extensor Digitorum Longus Origin

Back 27

Superior lateral condyle of tibial and proximal 3/4 of fibula, IO membrane, crural fascia and intermuscular septae.

Front 28

Extensor Digitorum Longus Insertion

Back 28

Dorsal central aspect of base of the middle phalanx, and dorasal surface of the distal phalanx

Front 29

Extensor Hallucis Longus Origin

Back 29

Fibula, IO membrane, intermuscular septae

Front 30

Extensor Hallcis Longus Insertion

Back 30

Dorsal aspect of the base of the distal hallucal phalanx

Front 31

Extensor Hallucis Accesorius Origin

Back 31

Medial aspect of EHL in the distal leg

Front 32

Extensor Hallucis Accesorius Insertion

Back 32

Dorsal and medial aspect of the base of the proximal hallucal phalanx

Front 33

Peroneus Tertius Origin

Back 33

Inferior third of the anteromedial surface of the fibula and IO membrane

Front 34

Peroneus Tertius Insertion

Back 34

Base of the fifth metatarsal

Front 35

Peroneus Longus Origin

Back 35

Head and proximal half of the fibula, deep rural fascia and the anterior and posterior peroneal septae

Front 36

Peroneus Longus Insertion

Back 36

planter-lateral aspect of the base of the 1st metatarsal

Front 37

Peroneus Brevis Origin

Back 37

Distal 2/3 of the fibula and anterior and posterior peroneal septae

Front 38

Peroneus Brevis Insertion

Back 38

Base of the 5th metatarsal

Front 39

Gastrocnemius Origin

Back 39

Medial and lateral condyles of femur posteriorly

Front 40

Soleus Origin

Back 40

Head and proximal third fo the fibula nd middle thrid fo the tibia above the popliteal line

Front 41

Plantaris Origin

Back 41

Medial to the lateral head of the gastroc at the lateal condyle of the femur

Front 42

Gastrocnemius, Soleus, and Plantaris Insertion

Back 42

Posterior Calcaneus

Front 43

Tibalis Posterior Origin

Back 43

Posteromedial fibula, posterior tibia distal to the to popliteal line and lateral to the vertical line, IO membrane and intermuscular septae

Front 44

Tibialis Posterior Insertion

Back 44

Navicular tuberosity, with slips inserting into the plantar aspect of hte intermediate three metatarsal bases

Front 45

Flexor Digitorum Longus Origin

Back 45

Posterior aspect of tibia distal to the soleal line and from fascia of the TP

Front 46

Flexor Digitorum Longus Insertion

Back 46

Plantar aspect of the distal phalanx of the lesser four toes

Front 47

Flexor Hallucis Longus Origin

Back 47

Distal 2/3 of the posterior surface of th fibula, peroneal septum ht anterior surface of the deep transverse intermuscular septum

Front 48

Flexor Hallucis Longus Insertion

Back 48

Plantar aspect of the base of the distal phalanx of the hallux

Front 49

Plantar Layer I:
Muscles and Innervation

Back 49

-Abductor Hallucis, FDB, Abductor Digiti Quinti
- Medial and lateral plantar nerve

Front 50

Plantar Layer II:
Muscles and Innervation

Back 50

-Quadratus Plantae, Lumbricales

-Lateral Plantar Nerve

Front 51

Plantar Layer III:
Muscles and Innervation

Back 51

-FHB, Adductor Hallucis, FDMB

-Medial and lateral plantar nerve

Front 52

Plantar Layer IV:
Muscles and Innervation

Back 52

-Dorsal Interossei, Plantar Ineterossei

- Deep Plantar nerve, lateral plantar nerve

Front 53

Dorsal Intrinsic Muscles:
Muscles and innervation

Back 53

-Extensor Digitorum Brevis, Extensor Hallucis Brevis

-Deep Peroneal Nerve

Front 54

Anterior Leg Compartment:
Muscles, Innervation, and blood supply

Back 54

-TA, EHL, EDL, PT

- Deep peroneal nerve

-Anterior tibial artery

Front 55

Lateral Leg Compartment:
Muscles, Innervation and Blood Supply

Back 55

-PL and PB

-Peroneal artery

-Superficial peroneal nerve

Front 56

Superficial Posterior Leg Compartment:
Muscles, Innervation and Blood Supply

Back 56

_ Triceps Surae: Gastrocnemius, Soleus, Plantaris

- Tibial Nerve

_Posterior Tibial Artery

Front 57

Deep Posterior Leg Compartment:
Muscles, Innervation and Blood Supply

Back 57

- TP, FDL, FHL

- Tibial Nerve
_ Posterior Tibial Artery