OIN Leg (Anterior, Lateral and Posterior)

Question 1

Gastrocmemius

Origin

Answer 1

Medial: medial femoral condyle

lateral: lateral femoral condyle

Question 2

Gastrocmemius

Insertion

Answer 2

calcaneus via tendon calcaneus (Achilles Tendon)

Question 3

Gastrocnemius

Function

Answer 3

Plantar Flexion

Knee Flexion

Question 4

Soleus

Origin

Answer 4

Solea line of Tibia

Head of Fibula

Question 5

Soleus

Insertion

Answer 5

calcaneous via tendon cacaneus (Achilles Tendon)

Question 6

Soleus

Function

Answer 6

Plantarflexion

Question 7

Plantaris

Attachments

Answer 7

lateral supracondylar lone of femur

calcaneus via calcaneal tendon

Question 8

Plantaris

Function

Answer 8

Mostly proprioceptive

Some knee and plantar flexion

Question 9

Popliteus

Attachments

Answer 9

lateral femoral condyly and lateral meniscus

posterior tibia above soleal line

Question 10

Popliteus

Function

Answer 10

unlocks extended leg by laterally rotating femur on stationary tibia

week flexer of knee

Question 11

Flexor Hallucis Longus

Attachments

Answer 11

inferior 2/3 of posterior tibia

base of distal phalanx of great toe

Question 12

Felxor Hallucis Longus

Function

Answer 12

flexes great toe

plantarflexion at ankle

Question 13

Flexor Digitorum Longus

Attachments

Answer 13

Posterior Tibia below soleal line

Distal Phalanx of lateral four digits

Question 14

Flexor Digitorum Longus

Function

Answer 14

flexes lateral four digits

plantarflex at ankle

Question 15

Tibialis Posterior

Attachments

Answer 15

Interosseus membrane

Posterior tibia below soleal line

Posteromedial fibula

to

Navicular Tuberosity

Cuneiforms

2-4 Metatarsals

Question 16

Tibialis Posterior

Functions

Answer 16

Inversion

Plantar Flexion

Question 17

Tibialis Anterior

Attachments

Answer 17

Lateral tibia condyle and superolateral 1/2 of tibia

medial first cuneiform and first metatarsal base

Question 18

Tibialis Anterior

Functions

Answer 18

Dorsiflexion

Inversion

Question 19

Extensor Digitorum Longus

Attachment

Answer 19

lateral tibial condyle

anterior fibular surface

interosseus membrane

to

each of the four tendons of an extensor expansion

two lateral slips (distal phalanx)

one central slip (middle phalanx)

Question 20

Extensor Digitorum Longus

Functions

Answer 20

Extends lateral four digits

Dorsiflexion

Question 21

Fibularis Tertius

Attachments

Answer 21

Anteroinferior fibular surface

Dorsum of fifth metatarsal base

Question 22

Fibularis Tertius

Functions

Answer 22

Dorsiflexion

Eversion

Question 23

Extensor Hallucis Longus

Attachments

Answer 23

Anteromedial fibular surface

Interosseus membrane

Base of distal phalanx of Hallux

Question 24

Extensor Hallucis Longus

functions

Answer 24

Extend Hallux

Dorsiflex ankle

Question 25

Anterior-Medial Compartment Artery and Nerve Common function

Answer 25

Anterior Tibial Artery Deep Fibular Nerve Dorsiflex foot, invert foot

Question 26

Fibularis Longus Attachments

Answer 26

head of fibula across the sole of foot to first metatarsal and medial cuneiform

Question 27

Fibularis Longus Functions

Answer 27

Eversion Plantar Flexion

Question 28

Fibularis Brevis

Answer 28

inferolateral tibia 5th metatarsal tuberosity

Question 29

Fibularis Brevis Functions

Answer 29

Eversion Plantarflexion

Question 30

Lateral Compartment Artery and Nerve Main function

Answer 30

superficial fibular nerve fibular artery (perforating branches) Evert foot

Question 31

Posterior Compartment Artery and Nerve Common Function

Answer 31

Tibial N Posterior Tibial A (runs with fibular A) Plantarflex foot, Invert foot