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PTRS 710 Exam 3 > Leg > Flashcards

Flashcards in Leg Deck (42):
1

Tibialis Anterior Origin

Upper 2/3 of lateral tibia
Crural interosseous membrane

2

Tibialis Anterior Insertion

Medioplantar surface of medial cuneiform
Middle base of 1st MT

3

Tibialis Anterior Function

Dorsiflexion
Inversion/supination

4

Tibialis Anterior Innervation

Deep fibular
L4-L5

5

Extensor Digitorum Longus Origin

Lateral tibial condyle
Head of fibula
Anterior border of fibula
Crural interosseous membrane

6

Extensor Digitorum Longus Insertion

Dorsal aponeurosis of 2nd-5th toes
Base of distal 2-5 phalanges

7

Extensor Digitorum Longus Function

Dorsiflexion
Eversion/pronation
Extends MTP and 2-5 IP

8

Extensor Digitorum Longus Innervation

Deep fibular
L5-S1

9

Extensor Hallucis Longus Origin

Middle 1/3 of medial surface of fibula
Crural interosseous membrane

10

Extensor Hallucis Longus Insertion

Dorsal aponeurosis of big toe
Base of big toe distal phalanx

11

Extensor Hallucis Longus Function

Dorsiflexion
Eversion/pronation
Inversion/supination
Extends MTP and IP of big toe

12

Extensor Hallucis Longus Innervation

Deep fibular
L5

13

Fibularis Longus Origin

Head of fibula
Proximal 2/3 of lateral surface of fibula

14

Fibularis Longus Insertion

Plantar side of medial cuneiform
Base of 1st MT

15

Fibularis Longus Function

Plantar flexion
Eversion/pronation
Supports transverse arch

16

Fibularis Longus Innervation

Superficial fibular
L5-S1

17

Fibularis Brevis Origin

Distal half of lateral surface of fibula
Intermuscular septa

18

Fibularis Brevis Insertion

Tuberosity at base of 5th metatarsal

19

Fibularis Brevis Function

Plantar flexion
Eversion/pronation

20

Fibularis Brevis Innervation

Superficial Fibular
L5-S1

21

Tibalis Posterior Origin

Crural interosseous membrane
Border of tibia and fibula

22

Tibalis Posterior Insertion

Navicular
Cuneiform tuberosity
Base of 2-4 phalanges

23

Tibalis Posterior Function

Plantar flexion
Inversion/supination
Supports longitudinal/transverse arch

24

Tibalis Posterior Innervation

Tibial
L4-L5

25

Flexor Digitorum Longus Origin

Middle 3rd of posterior tibia

26

Flexor Digitorum Longus Insertion

Base of 2-5 distal phalanges

27

Flexor Digitorum Longus Function

Plantar flexion
Inversion/supination
Flexion of MTP and 2-5 IP

28

Flexor Hallucis Longus Origin

Distal 2/3 of posterior surface of fibula
Adjacent crural interroseous membrane

29

Flexor Hallucis Longus Insertion

Base of distal phalanx of big toe

30

Flexor Hallucis Longus Function

Plantar flexion
Inversion/supination
Flexion of MTP and big toe IP
Supports medial longitudinal arch

31

Flexor Hallucis Longus Innervation

Tibial
L5-S2

32

Gastrocnemius Origin

Medial head - medial epicondyle of femur
Lateral head - lateral epicondyle of femur

33

Gastrocnemius Insertion

Calcaneal tuberosity via Achilles tendon

34

Gastrocnemius Function

Plantar flexion
Inversion/supination
Knee flexion

35

Gastrocnemius Innervation

Tibial
S1-S2

36

Soleus Origin

Posterior surface of head/neck of fibula
Soleal line of tibia

37

Soleus Insertion

Calcaneal tuberosity via Achilles tendon

38

Soleus Function

Plantar flexion
Inversion/supination

39

Soleus Innervation

Tibial
S1-S2

40

Plantaris Origin

Proximal to lateral head of gastrocnemius

41

Plantaris Insertion

Calcaneal tuberosity via Achilles tendon

42

Plantaris Innervation

Tibial
S1-S2