Lower Leg, ankle, foot ANATOMY

Question 1

Gastrocnemius

Answer 1

O: posterior condyles of the femur
I: calcaneus via Achilles Tendon
A: Plantar flexion, weak knee flexion

Question 2

Soleus

Answer 2

O: Posterior and medial tibia and fibular head
I: Calcaneus via Achilles tendon
A: Plantarflexion

Question 3

Popliteus

Answer 3

O: Lateral epicondyle of femur
I: posterior tibia
A: Initiates flexion of the knee and internal rotation of tibia

Question 4

Tibialis Anterior

Answer 4

O: upper 1/2 and lateral surface of tibia
I: Base of 1st metatarsal and medial cuneiform
A: dorsiflexion and inversion

Question 5

Tibialis Posterior

Answer 5

O: Posterior tibia and fibula
I: navicular, cuboid, medial cuneiform
A: plantarflexion and inversion

Question 6

Fibularis longus

Answer 6

O: proximal portion of lateral fibula
I: 1st metatarsal, medial cuneiform
A: eversion, plantarflexion

Question 7

Fibularis brevis

Answer 7

O: lower 2/3 of lateral fibula
I: base of 5th metatarsal
A: eversion, plantarflexion

Question 8

Fibularis tertius

Answer 8

O: lower 1/4 of fibula
I: 5th metatarsal
A: eversion and dorsiflexion

Question 9

Flexor digitorum longus

Answer 9

O: posterior surface of tibia
I: base of phalanges 2-5
A: flexes toes and plantarflexion

Question 10

Extensor digitorum longus

Answer 10

O: anterior surface of tibia and fibula
I: base of 2-5
A: extends toes and dorsiflexion

Question 11

Extensor digitorum brevis

Answer 11

O: upper surface of calcaneous
I: extensor hoods
A: toe extension