Lower Extremity (leg) O/I

Question 1

Gastrocnemius

Answer 1

O: Medial head: posterior surface of distal femur just superior to medial condyle

I: Posterior surface of calcaneus via calcaneal tendon

Question 2

Soleus

Answer 2

O: Posterior aspect of head of fibula
superior 1/4 of posterior surface of fibula
soleal line and medial border of tibia

I: Posterior surface of calcaleas via calcaneal tendon

Question 3

Anterior tibialis

Answer 3

O: Lateral surface of tibia
Lateral condyle of tibia
Adjacent interosseous membrand

I: Medial and inferior surfaces of medial cuneiform and base of first metatarsal

Question 4

Extensor Digtorum Longus

Answer 4

O: Proximal 1/2 of medial surface of fibula
Related surface of lateral tibial condyle

I: Middle and distal phalanges of lateral four digits

Question 5

Fibularis Longus

Answer 5

O: Head and superior 2/3 of lateral surface of fibula

I: Base of first metatarsal and medial cuneiform

Question 6

Fibularis Brevis

Answer 6

O: Inferior 2/3 of lateral surface of fibula

I: Lateral tubercle base of 5th metatarsal

Question 7

Fibularis Tertius

Answer 7

O: Distal part of medial surface of fibula

I: Dorsomedial surface of base of 5th metatarsal