Muscles of Lower Limb: Leg

Question 1

What muscle is located in the Anterior Compartment of the leg?

Answer 1

Tibialis Anterior

Question 2

Tibialis Anterior

Answer 2

anterior compartment of leg

action: dorsiflexion, inversion of foot
- -prevents plantar flexion during walking

Origin: tibia
Insertion: dorsum of foot

Question 3

What muscles are included in the Lateral Compartment off the leg?

Answer 3

Fibularis Longus

Fibularis Brevis

Question 4

Fibularis Longus and Fibularis Brevis

Answer 4

lateral compartment of leg
–fibularis brevis is deep to fibularis longus

action: evert and plantarflex foot

Origin: fibula
Insertion: sole of foot

Question 5

What muscles are included in the posterior compartment of the leg?

Answer 5

Gastrocnemius
Soleus
Flexor Hallucis Longus
Flexor Digitorum Longus

Question 6

Gastrocnemius

Answer 6

posterior compartment of leg

aka “calf muscle”

action: flexes leg, plantarflexes foot

Origin: femur
Insertion: calcaneus

Question 7

Soleus

Answer 7

posterior compartment of leg

action: plantarflexes foot

Origin: tibia and fibula
Insertion: calcaneus

Question 8

Flexor Hallucis Longus

Answer 8

posterior compartment of leg

action: plantarflexes hallux and foot

Origin: tibia and fibula
Insertion: hallux

Question 9

Flexor Digitorum Longus

Answer 9

posterior compartment of leg

action: plantarflexes digits 2-5 and foot

Origin: tibia and fibula
Insertion: digits 2-5