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Flashcards in Crus and Pes Deck (26)
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1

Soleus

O: Soleal line of tibia and superior fibula
I: Calcaneal tuberosity via tendo calcaneus
Ax: Plantarflex ankle
N: Tibial N
A: Post tibial A
**Prime mover for plantarflexing ankle

2

Plantaris

O: Inferior lateral supracondylar line of femur
I: calcaneal tuberosity
Ax: Flex knee and plantarflex ankle
N: Tibial N
A: Post tibial A

3

Popliteus

O: Lateral epicondyle of femur
I: Popliteal line of tibia
Ax: Flex, internally and externally rotate knee, retract lateral meniscus
N: Tibial N
A: Posterior tibial A

4

Gastrocnemius

O: Posterior medial and lateral condyles of femur
I: Calcaneal tuberosity via tendo calcaneus
Ax: Flex knee and plantarflex ankle
N: Tibial N
A: Post tibia A
**Prime mover for plantarflexing ankle

5

Flexor Digitorum Longus

O: Middle posterior tibia
I: Through medial malleolus sulcus to distal phalanges of digits II-V
Ax: Flex digits II-V, plantar flex ankle, invert pes
N: Tibial N
A: Posterior tibial A
**Prime mover for flexing digits II-V

6

Tibialis Posterior

O: Lateral to soleal line from lateral tibia to medial fibula
I: Through medial malleolus sulcus to plantar instep
Ax: Plantarflex ankle and invert pes
N: Tibial N
A: Posterior tibial A
**Prime mover for inverting pes

7

Flexor Hallucis Longus

O: Posterior fibular diaphysis
I: Through sustentaculm tali sulcus to distal phalanx of hallux
Ax: Flex hallux, plantarflex ankle and invert pes
N: Tibial N
A: Post tibial A

8

Tibialis Anterior

O: Anterior border, lateral tibia & interosseus membrane
I: Bottom of instep
Ax: Dorsiflex ankle and invert pes
N: Deep fibular N
A: Anterior tibial A
**Prime mover for dorsiflexion

9

Extensor Hallucis Longus

O: Middle anterior fibula & interosseus membrane
I: Distal phalanx of hallux
Ax: Extend hallux, dorsiflex ankle and invert pes
N: Deep fibular N
A: Anterior tibial A

10

Extensor Digitorum Longus

O: Superior anterior fibular & interosseus membrane
I: Extensor expansion of digits II-V
Ax: Extend digits II-V, dorsiflex ankle and evert pes
N: Deep fibular N
A: Ant tibial A
**Prime mover for extending digits II-V

11

Fibularis Tertius

O: Inferior portion of extensor digitorum longus
I: Tuberosity of Mt V
Ax: Dorsiflex ankle and evert pes
N: Deep fibular N
A: Anterior fibular A

12

Fibularis Longus

O: Fibular head and superior lateral diaphysis
I: Through lateral malleolus sulcus and calcaneal sulcus across plantar region to the base of Mt I
Ax: Plantarflex ankle and evert pes
N: Superficial fibular N
A: Fibular A

13

Fibularis Brevis

O: Inferior lateral fibula diaphysis
I: Through lateral malleolus sulcus and calcaneal sulcus to the tuberosity of Mt V
Ax: Plantarflex and evert pes
N: Superficial fibular N
A: Fibular A

14

Extensor Digitorum Brevis

O: Anterior Calcaneus
I: Middle phalanx of digits II-IV
Ax: Digits II-IV tendons of extensor digitorum longus
N: Deep fibular N
A: Arcuate and dorsalis pedis A

15

Extensor Hallucis Brevis

O: Ant Calcaneus
I: Proximal phalanx of hallux
Ax: Extend hallux
N: Deep fibular N
A: Arcuate and dorsalis pedis A

16

ABductor Hallucis

O: Calcaneal tuberosity
I: Proximal phalanx of Hallux
Ax: ABducts and flexes hallux
N: Medial plantar N
A: Medial and lateral plantar A

17

Flexor Digitorum Brevis

O: Calcaneal tuberosity
I: Middle phalanges of digits II-V
Ax: Flexes digits II-V
N: Medial plantar N
A: Medial and lateral plantar A

18

ABductor Digiti Minimi of Pes

O: Calcaneal tuberosity
I: Proximal phalanx of digit V
Ax: ABd and flexes digit V
N: Lateral plantar N
A: Medial and lateral plantar A

19

Quadratus Plantae

O: Calcaneal tuberosity
I: Tendons of flexsor digitorum longus
Ax: Flexes digits II-V via flexor dig longus
N: Lateral plantar N
A: Med and lat plantar A

20

Lumbricals of Pes

O: Tendons of flex dig longus
I: Extensor expansions of digits II-V
Ax: Flex MtP jts, ext IP jts of digits II-V
N: Med and lat plantar N
A: Med and lat plantar A

21

Flexor Hallucis Brevis

O: Base of Mt I and Cuboid
I: Proximal phalanx of hallux
Ax: Flex hallux
N: Med plantar N
A: Med and lat plantar A

22

Adductor Hallucis Obliquus

O: Base of Mt II-IV
I: Proximal phalanx of hallux
Ax: Add and flex hallux
N: Lat plantar N
A: Med and lat plantar N

23

Adductor Hallucis Transversus

O: MTP jt capsules of digits II-V
I: Proximal phalanx of hallux
Ax: Add hallux
N: Lat plantar N
A: Med and lat plantar A

24

Flexor Digiti Minimi of Pes

O: Base of Mt V
I: Proximal phalanx of digit V
Ax: Flex digit V
N: Lat plantar N
A: Med and lat plantar A

25

Plantar Interossei

O: Diaphyses of Mt III-V
I: Proximal phalanges of digit III-V
Ax: Add digits III-V, flexes MTP jts III-V
N: Lat plantar N
A: Med and lat plantar A
(3PAD)

26

Dorsal Interossei of Pes

O: Adjacent Mt diaphysis
I: Proximal phalanges of digits II-IV
Ax: ABd digits II-IV, flexes MTP jts II-IV
N: Lat plantar N
A: Med and lat plantar A
(4DAB)