foot and ankle

How many bones are in the forefoot?

(a)  

How many bones are in the midfoot

(a)  

How many bones are in the hindfoot?

(a)  

What is the origin of the Tibialis Anterior

• 1st metatarsal

• Proximal lateral surface of the tibia

• anterior fibula

• distal phalanges of the toes

Tibialis anterior insertion

• distal phalange of first toe

• proximal lateral surface of tibia

• anterior fibula

• 1st metatarsal and cuneiform 1

action of tibialis anterior

• extends big toe

• dorsiflex and inverts foot

• extends 2nd-5th metatarsal

• everts foot

origin of extensor hallicus longus

• proximal lateral surface of the tibia

• 1st metatarsal and cuneiform 2

• anterior fibula

• digital phallange of first toe

insertion of extensor hallicus longus

• digital phallange of first toe

• proximal lateral surface of the tibia

• anterior fibula

• 1st metatarsal and cuneiform 1

assertion of extensor hallicus longus

• extends 2nd-5th toes

• dorsiflex

• extends big toe

• eversion

origin extensor digitiorum longus

• anterior fibula

• proximal anterior shaft of fibula

• middle and distal phallange of the 2nd-5th toes

• everts foot