Muscles that act on the foot and toes

Question 1

Tibialis Anterior

Answer 1

Origin: Lateral condyle of tibia and interosseous membrane
Insertion: medial surface of 1st cuneiform and 1st metatarsal
Action: dorsiflexes and inverts foot

Question 2

Extensor hallucis longus

Answer 2

Origin: Fibula and interosseous membrane
Insertion: dorsal surface of great toe
Action: dorsiflexes and invers foot and extends great toe

Question 3

Extensor digitorum longus

Answer 3

Origin: Lateral condyle of tibia, fibula and interosseous membrane
Insertion: dorsal surface of phalanges 2-5
Action: dorsiflexes and everts foot and extends toe 2-5

Question 4

fibularis longus Action

Answer 4

Origin:
Insertion:
Action: Plantar flexes and everts foot

Question 5

soleus

Answer 5

Origin: Posterior proximal surface of fibula and tibia
Insertion: Calcaneus
Action: plantar flexes foot

Question 6

flexor hallucis longus

Answer 6

Origin: Posterior surface of fibula
Insertion: plantar surface of distal phalanx of great toe
Action: flexes great toe, plantar flexes and inverts foot

Question 7

Flexor digitorum longus

Answer 7

Origin: Posterior surface of tibia
Insertion: plantar surface of distal phalanges of toes 2-5
Action: flexes toes 2-5, plantar flexes and inverts foot

Question 8

tibialis posterior

Answer 8

Origin: Posterior surface of interosseous membrane, tibia and fibula
Insertion: plantar surfaces of navicular and adjacent bones of media arch
Action: plantar flexes and inverts foot