Foot & Leg

Question 0

Extensor Hallucis Longus

Answer 0

O: fibula, interosseous membrane
I: distal phalanx hallux
A: extend hallux & dorsiflex foot
N: deep fibular (peroneal)

Question 1

Tibialis Anertior

Answer 1

O: upper 2/3 of tibia; interosseous membrane
I: 1st MT, medial cuneiform
A: dorsiflex, invert foot
N: deep fibular (peroneal)

Question 2

Fibularis Longus

Answer 2

O: upper 2/3 fibula
I: 1st MT; medial cuneiform
A: evert & plantar flex foot
N: superficial fibular

Question 3

Fibularis Brevis

Answer 3

O: lower 1/3 of fibular
I: 5th MT
A: evert & plantar flex foot
N: superficial fibular

Question 4

Gastrocnemius

Answer 4

O: femoral condyles
I: calcaneus
A: plantar flex foot (fast), flex knee
N: tibial n.

Question 5

Soleus

Answer 5

O: upper fibular & tibia
I: calcaneus
A: plantar flex foot (slow), maintaing standing
N: tibial n.

Question 6

Plantaris

Answer 6

O: lateral supracondylar ridge
I: calcaneus
A: plantar flex foot
N: tibial n.

Question 7

Posterior Group

Answer 7

Gastrocnemius
Soleus
Plantaris

Question 8

Lateral Group

Answer 8

Fibularis Longus
Fibularis Brevis
Fibularis Tertius

Question 9

Flexor Digitorum Longus

Answer 9

O: tibial
I: distal phalanges
A: flex toes & plantar flex foot
N: tibial

Question 10

Deep Posterior Group

Answer 10

Flexor Digitorum Longus
Flexor Hallucis Longus
Tibialis Posterior

Question 11

Flexor Hallucis Longus

Answer 11

O: fibula
I: distal phalanx hallux
A: flex hallux & plantar flex foot
N: tibial

Question 12

Tibialis Posterior

Answer 12

O: tibia, fibula, IO membrane
I: navicular, calcaneus, cuboid, all cuneiforms, MTs 2-4
A: invert, plantar flex foot
N: tibial

Question 13

Fibularis Tertius

Answer 13

O: lower 1/3 of fibula
I: 5th MT
A: plantar flex & invert??
N: deep fibular

Question 14

Anterior muscles of the foot

Answer 14

Tibialis Anterior
Extensor digitorum longus
Extensor hallucis longus
Fibularis tertius
**All dorsiflex**

Question 15

Posterior muscles of the foot

Answer 15

Tibialis posterior
Flexor digitorum & hallucis longus
Fibularis longus & brevis
all plantar flex

Question 16

Dorsal surface of the foot

Answer 16

Extensor digitorum brevis

Extensor hallucis brevis

Question 17

Extensor hallucis brevis

Answer 17

O: dorsal surface of calcaneus
I: base of proximal phalanx of big toe
A: extend big toe
N: deep fibular n.

Question 18

Extensor digitorum brevis

Answer 18

O: dorsal surface of calcaneus
I: proximal phalanges
A: extend toes
N: deep fibular n.

Question 19

Plantar surface of foot, superficial

Answer 19

abductor hallucis
flexor digitorum brevis
abductor digiti minimi

Question 20

abductor hallucis

Answer 20

O: calcaneus
I: proximal phalanx hallux
A: flex, abduct big toe
N: medial plantar n.

Question 21

flexor digitorum brevis

Answer 21

O: calcaneus
I: middle phalanx of 4 toes
A: flex lateral 4 toes
N: medial plantar n.

Question 22

abductor digiti minimi

Answer 22

O: calcaneus
I: proximal phalanx of 5th toe
A: flex, abduct 5th toe
N: lateral plantar n.

Question 23

deeper layer, plantar

Answer 23

quadratus plantae

lumbrical

Question 24

quadratus plantae

Answer 24

O: calcaneus I: tendons of flexor digitorum longus A: flex lateral 4 toes N: lateral plantar n.

Question 25

lumbricals

Answer 25

``` O: tendons of flexor digitorum longus I: extensor expansions A: extend IP, flex MTP joints N: Lumbrical 1: medial plantar n. Lumbrical 2, 3, 4: lateral plantar n. ```

Question 26

flexor hallucis brevis

Answer 26

``` O: cuboid, lateral cuneiform I: proximal phalanx A: flex MTP jt N: medial plantar n. **on either side of flexor hallucis longus** ```

Question 27

adductor hallucis

Answer 27

O: MT for oblique & transverse heads I: proximal phalanx A: flex MTP jt N: lateral plantar n.

Question 28

flexor digiti minimi

Answer 28

O: MT 5 I: proximal phalanx A: lateral plantar n. N: flex MTP jt.

Question 29

plantar interossei (interpeni)

Answer 29

O: metatarsals | I