Inversion Muscles

Question 1

Name the inversion muscles

Answer 1

Tibialis Anterior
Tibialis Posterior
Flexor hallucis Longus
Extensor hallucis Longus

Question 2

Tibialis Anterior

Answer 2

o- upper 1/2 to 2/3 lateral surface of tibia and adjacent interosseous membrane
I- medial surface of medial cuneiform and base of 1st MT
A- dorsiflexion of ankle and inversion of the foot
Deep Peroneal Nerve L4/L5

Question 3

Tibialis Posterior

Answer 3

O- medial part- posterior surface of the tibia and interosseous membrane
lateral part- proximal posterior surface of the fibula
I- tubercle on medial side of navicular and plantar surface of medial cuneiform
A- inversion of foot support of the medial longitudinal arch
Tibial arch L4-L5

Question 4

Flexor Hallucis Longus

Answer 4

O- Lower 2/3 of posterior surface of fibula and interosseous membrane
I- plantar surface of the base of the distal phalanx of the great toe
A- extends all joints of great toe
dorsiflexor
Tibial nerve S1,S2

Question 5

Extensor Hallucis Longus

Answer 5

O- Middle 1/2 of anterior surface of fibula and adjacent interosseous membrane
I- dorsal surface, base of distal phalanx of the great toe
A- extends all joints of the great toe
dorsiflexor
Deep Peroneal Nerve L5, S1