Ankle Muscles

Question 1

Fibularis Longus Origin

Answer 1

the upper 2/3rds of the poster aspect fibula and lateral condyle of the tibia.

Question 2

Fibularis Longus Insertion

Answer 2

base of the 1st metatarsal and medial cuneiform.

Question 3

Fibularis Brevis Origin

Answer 3

Lower 2/3rds of the poster aspect fibula.

Question 4

Fibularis Brevis Insertion

Answer 4

base of the 5th metatarsal

Question 5

Longus, Brevis, Tertius Action?

Answer 5

Evert and plantarflex the foot

Question 6

Tibialis Posterior Origin

Answer 6

upper 2/3rd of the posterior and lateral surface of the tibia below the soleal line. posterior surface of the fibula.

Question 7

Tibialis Posterior Insertion

Answer 7

medial side of the navicular and plantar surface of the medial cuneiform.

Question 8

Extensor Digitorum longus Origin

Answer 8

lies over EHL, upper 2/3rds of the Anterior Surface of the fibula. also attaching high to the lateral condyle of the tibia.

Question 9

EDL Insertion

Answer 9

tendon forms the extensor hood which attaches to the lateral 4 digits.

Question 10

EHL Insertion

Answer 10

attaches to the base of the distal phalanx - Great Toe.

Question 11

Extensor Hallucis Longus Origin

Answer 11

Middle Half of the anterior surface of the fibula.

Question 12

EDB Origin

Answer 12

arises from the calcareous the belly is on the dorsal aspect of the foot.

Question 13

EDB Insertion

Answer 13

dorsal aspect of the base of of the proximal phalanx of the great toe. the remaining three tendons join the extensor hood of the second third and fourth toes.

Question 14

EDB Action

Answer 14

Aids EHL with exntension of the great toe.
lateral attachment aids EDL extend 234 digits.

Question 15

EHL Action

Answer 15

Extends all the joints in the great toe.

Question 16

EDL Action

Answer 16

Extends the lateral 4 toes off the metatarsophalageal joints and interphalangeal joints

Question 17

Tibialis Anterior Origin

Answer 17

upper 2/3rds of the lateral surface of the tibia and adjoining part of the interosseous membrane.

Question 18

TA Insertion

Answer 18

medial side of the medial cuneiform and base of the first metatarsal.

Question 19

TA Action

Answer 19

Dorsiflexes and inverts the foot.

Question 20

EDL, EHL and fibulas brevis Action

Answer 20

Dorsiflex the ankle joint.

Question 21

Gastroc Origin

Answer 21

two heads arise from the medial and lateral condyles of the femur.
- medial head from the adductor tubercle on the popliteal surface.
- lateral head outer surface of the lateral condyle of the femur

Question 22

Gastroc Insertion

Answer 22

middle portion of the calcaneous

Question 23

Gastroc Nerve Supply

Answer 23

Tibial Nerve
Root Level S1 S2.

Question 24

Soleus Origin

Answer 24

Solar line on the poster surface of the tibia and the upper 1/3 of the fibula.

Question 25

Soleus Insertion

Answer 25

Middle portion of the poster surface of the calcaneus.

Question 26

Soleus Nerve

Answer 26

Tibial Nerve
Root Level S1 S2.

Question 27

Tib Ant nerve

Answer 27

Deep fibular nerve
L4 L5

Question 28

Tib Post Nerve

Answer 28

Tibial Nerve
L4 L5

Question 29

Fib Longus Nerve

Answer 29

Superficial Fibular nerve
L5 S1

Question 30

Fib Brevis

Answer 30

Superficial Fibular Nerve
L5 S1.

Question 31

Fib Tertius

Answer 31

Deep Fibular Nerve
L5 S1

Question 32

EHL Nerve

Answer 32

Deep Fibular Nerve
L5 S1

Question 33

EDL Nerve

Answer 33

Deep Fibular Nerve
L5 S1

Question 34

EDB Nerve

Answer 34

Deep Fibular Nerve
L5 S1