Uic Lower Limb - Leg And Foot

Front 1

Gastrocnemius

Back 1

O:
LATERAL HEAD: Lateral epicondyle of femur and joint capsule
MEDIAL HEAD: Medial epicondyle of femur and joint capsule

I: Via calcaneal (Achilles') tendon to calcaneal tuberosity

Hint 1

N: Tibial (S1, S2)

A: Plantarflexes ankle; maintains vertical tibia over foot; flexes leg at knee

Front 2

Soleus

Back 2

O: Soleal line and medial tibia; superior 1/3 of fibula

I: Via calcaneal (Achilles') tendon to calcaneal tuberosity

Hint 2

N: Tibial (S1, S2)

A: Plantarflexes ankle; maintains vertical tibia over foot

Front 3

Plantaris

Back 3

O: Lateral supracondylar line of femur; oblique popliteal ligament

I: Via calcaneal (Achilles') tendon to calcaneal tuberosity

Hint 3

N: Tibial (S1, S2)

A: Weakly plantarflexes ankle; weakly flexes leg at knee

Front 4

Tibialis Posterior

Back 4

O: Interosseous membrane; tibial inferior to soleal line; fibula

I: Navicular tuberosity; cuneiform, cuboid, talar shelf of calcaneous

Hint 4

N: Tibial (L4, L5)

A: Plantarflexes ankle; inverts foot

Front 5

Flexor Digitorum Longus

Back 5

O: Tibia inferior to soleal line; fibula

I: Base of distal phalanges 2-5

Hint 5

N: Tibial (L5, S1, S2)

A: Flexes lateral four digits

Front 6

Flexor Hallucis Longus

Back 6

O: Inferior 2/3 fibula; interosseous membrane

I: Base of distal phalanx of great toe (hallux)

Hint 6

N: Tibial (L5, S1, S2)

A: Flexes great toe; weakly plantarflexes ankle

Front 7

Popliteus

Back 7

O: Lateral condyle of femur and posterior horn of lateral meniscus

I: Posterior tibia superior to soleal line

Hint 7

N: Tibial (L4, L5, S1)

A: Unlocks knee; weakly flexes leg at knee

Front 8

Tibialis Anterior

Back 8

O: Lateral condyle and superior lateral tibia; interosseous membrane

I: Medial cuneiform; base of 1st metatarsal

Hint 8

N: Deep fibular (L4, L5)

A: Dorsiflexes ankle; inverts foot

Front 9

Extensor Digitorum Longus

Back 9

O: Lateral condyle of tibia; anteromedial aspect of fibula lateral and superior to EHL; interosseous membrane

I: Dorsal bases of middle and distal phalanges II-V

Hint 9

N: Deep fibular (L5, S1)

A: Extends digits 2-5; dorsiflexes ankle; everts foot

Front 10

Extensor Hallucis Longus

Back 10

O: Anteromedial asepct of fibula medial and inferior to EDL; interosseous membrane

I: Dorsal base of distal phalanx of big toe

Hint 10

N: Deep fibular (L5, S1)

A: Extends big toe; dorsiflexes ankle, inverts foot

Front 11

Fibularis Tertius

Back 11

O: Lower anterior aspect of fibula

I: Dorsal base of 5th metatarsal

Hint 11

N: Deep fibular (L5, S1)

A: Dorsiflexes ankle; everts foot

Front 12

Fibularis Longus

Back 12

O: Head and lateral aspect of superior 2/3 of fibula

I: Plantar base of 1st metatarsal; medial cuneiform

Hint 12

N: Superficial fibular (L5, S1)

A: Everts foot; weak ankle plantarflexion

Front 13

Fibularis Brevis

Back 13

O: Lateral aspect of inferior 2/3 of fibula

I: Tuberosity of base of 5th metatarsal

Hint 13

N: Superficial fibular (L5, S1)

I: Everts foot; weak ankle plantarflexion

Front 14

Abductor Hallucis

Back 14

(1st layer)
O: Plantar surface of calcaneal tuberosity

I: Base of proximal phalanx of big toe

Hint 14

N: Medial plantar

A: Abducts big toe

Front 15

Flexor Digitorum Brevis

Back 15

(1st layer)
O: Plantar surface of calcaneal tuberosity

I: Middle phalanges of digits II-V

Hint 15

N: Medial plantar

A: Flexes digits II-V

Front 16

Abductor digiti minimi

Back 16

(1st layer)
O: Plantar surface of calcaneal tuberosity

I: Base of proximal phalanx of digit V

Hint 16

N: Lateral plantar

A: Abducts digit V

Front 17

Quadratus Plantae

Back 17

(2nd layer)
O: Calcaneal tuberosity

I: Tendon of flexor digitorum longus

Hint 17

N: Lateral plantar

I: Assists FDL in flexing digits II-V

Front 18

Lumbricals

Back 18

(2nd layer)
O: Tendons of FDL (medial side)

I: Dorsal expansion of digits II-V

Hint 18

N: Medial plantar (Lumbrical I), Lateral plantar (Lumbricals II-IV)

I: Flex proximal phalanges and extend the middle and distal phalanges of digits II-V

Front 19

Flexor Hallucis Brevis

Back 19

(3rd layer)
O: Cuboid/cuneiforms (two heads with sesamoid bones in them and tendon of FHL in between)

I: Proximal phalanx of the big toe

Hint 19

N: Medial plantar

A: Flexes big toe

Front 20

Adductor hallucis

Back 20

(3rd layer)
O:
OBLIQUE HEAD: Bases of metatarsals II-IV
TRANSVERSE HEAD: Plantar ligaments

I: Base of proximal phalanx of big toe

Hint 20

N: Lateral plantar

A: Adducts big toe

Front 21

Flexor digiti minimi brevis

Back 21

(3rd layer)
O: Base of metatarsal V

I: Base of proximal phalanx of digit V

Hint 21

N: Lateral plantar

A: Flexes digit V

Front 22

Dorsal interossei

Back 22

(4th layer)
(Bipennate, 4 in number)
O: Metatarsals

I: Proximal phalanges

Hint 22

N: Lateral plantar

A: Abduct

Front 23

Plantar interossei

Back 23

(4th layer)
(Unipennate, 3 in number)
O: Metatarsals

I: Proximal phalanges

Hint 23

N: Lateral plantar

A: Adduction

Front 24

Extensor Digitorum Brevis

Back 24

(Dorsum of foot)
O: With EHB, superior surface of calcaneus (tarsal shelf)

I: Long extensor tendons of digits II-V

Hint 24

N: Deep fibular nerve (L5, S1)

A: Extends digits II-V

Front 25

Extensor Hallucis Brevis

Back 25

(Dorsum of foot)
O: With EDB, superior surface of calcaneus (tarsal shelf)

I: Proximal phalanx of big toe

Hint 25

N: Deep fibular nerve (L5, S1)

A: Extends big toe