Muscles of the lower leg (Anterior/Posterior)

Question 1

Soleus (Origin & Insertion)

Answer 1

O: Soleal line & sup fibula
I: Calcaneal tuberosity via tendo calcaneus

Question 2

Soleus (Actions)

Answer 2

Prime mover for plantarflexing the ankle

Question 3

Soleus (Nerve & Artery)

Answer 3

N: Tibial N
A: Post tibial A

Question 4

Plantaris (Origin & Insertion)

Answer 4

O: Inf lat supracondylar line
I: Calcaneal tuberosity

Question 5

Plantaris (Actions)

Answer 5

Plantarflexes ankle

Flexes knee

Question 6

Plantaris (Nerve & Artery)

Answer 6

N: Tibial N
A: Post tibial A

Question 7

Popliteus (Origin & Insertion)

Answer 7

O: Lat femoral epicondyle
I: popliteal line

Question 8

Popliteus (Actions)

Answer 8

Flexes & internally rotates knee

I/O lat rotates knee & retracts lat meniscus

Question 9

Popliteus (Nerve & Artery)

Answer 9

N: Tibial N
A: Post tibial A

Question 10

Gastrocnemius (Origin & Insertion)

Answer 10

O: Post med & lat femoral condyles
I: Calcaneal tuberosity via tendo calcaneus

Question 11

Gastrocnemius (Actions)

Answer 11

Prime mover for plantarflexing ankle

I/O flexes knee

Question 12

Gastrocnemius (Nerve & Artery)

Answer 12

N: Tibial N
A: Post tibial A

Question 13

Flexor Digitorum Longus (Origin & Insertion)

Answer 13

O: Middle post tibia
I: Through med malleolus sulcus to distal phalanges of dig II-V

Question 14

Flexor Digitorum Longus (Actions)

Answer 14

Prime mover for flexing dig II-V
Plantarflexes ankle
Inverts pes

Question 15

Flexor Digitorum Longus (Nerve & Artery)

Answer 15

N: tibial N
A: Post tibial A

Question 16

Tibialis Posterior (Origin & Insertion)

Answer 16

O: Lat to soleal line from lat tibia to med fibula
I: Through med malleolus sulcus to plantar instep

Question 17

Tibialis Posterior (Actions)

Answer 17

Prime mover for inverting pes

Plantarflexes ankle

Question 18

Tibialis Posterior (Nerve & Artery)

Answer 18

N: Tibial N
A: Post tibial A

Question 19

Flexor Hallucis Longus (Origin & Insertion)

Answer 19

O: Post fibular diaphysis
I: Through sustentaculum tali sulcus to distal hallucal phalanx

Question 20

Flexor Hallucis Longus (Actions)

Answer 20

Flexes hallux
Plantarflexes ankle
Inverts pes

Question 21

Flexor Hallucis Longus (Nerve & Artery)

Answer 21

N: Tibial N
A: Post tibial A

Question 22

Tibialis Anterior (Origin & Insertion)

Answer 22

O: Ant border, lat tibia, & interosseus membrane
I: Bottom of the instep

Question 23

Tibialis Anterior (Actions)

Answer 23

Prime mover for dorsiflexing the ankle

Inverts pes

Question 24

Tibialis Anterior (Nerve & Artery)

Answer 24

N: Deep fibular N
A: Ant tibial A

Question 25

Extensor Hallucis Longus (Origin & Insertion)

Answer 25

O: Middle ant fibula & interosseus membrane I: Distal phalanx of hallux

Question 26

Extensor Hallucis Longus (Actions)

Answer 26

Extends hallux Dorsiflexes ankle Inverts pes

Question 27

Extensor Hallucis Longus (Nerve & Artery)

Answer 27

N: Deep fibular N A: Ant tibial A

Question 28

Extensor Digitorum Longus (Origin & Insertion)

Answer 28

O: Sup ant fibula & interosseus membrane I: Extensor expansions of dig II-V

Question 29

Extensor Digitorum Longus (Actions)

Answer 29

Prime mover for extending dig II-V Dorsiflexes ankle Everts pes

Question 30

Extensor Digitorum Longus (Nerve & Artery)

Answer 30

N: Deep fibular N A: Ant tibial A

Question 31

Fibularis Tertius (Origin & Insertion)

Answer 31

O: Inf portion of extensor digitorum longus I: Mt. V tuberosity

Question 32

Fibularis Tertius (Actions)

Answer 32

Everts pes | Dorsiflexes the ankle

Question 33

Fibularis Tertius (Nerve & Artery)

Answer 33

N: Deep fibular N A: Ant tibial A

Question 34

Fibularis Longus (Origin & Insertion)

Answer 34

O: Fibular head & sup lat diaphysis I: Through lat malleolus sulcus & calcaneal sulcus & then across the plantar region to Mt. I base

Question 35

Fibularis Longus (Actions)

Answer 35

Plantarflexes the ankle | Everts the pes

Question 36

Fibularis Longus (Nerve & Artery)

Answer 36

N: Superf fibular N A: Fibular A

Question 37

Fibularis Brevis (Origin & Insertion)

Answer 37

O: Inf lat fibular diaphysis I: Through lat malleolus sulcus & calcaneal sulcus to Mt. V tuberosity

Question 38

Fibularis Brevis (Actions)

Answer 38

Plantarflexes the ankle | Everts the pes

Question 39

Fibularis Brevis (Nerve & Artery)

Answer 39

N: Superf fibular N A: Fibular A