Ant/lat Leg And Dorsum Of Foot

Question 0

Fibularis brevis

Answer 0

O: inferior 2/3 of lateral surface of fibula I: dorsal surface of tuberosity on the lateral side of the base of the 5th metacarpal. N: superficial fibular nerve (L5, S1,S2) A: everts the foot and weakly plantar flexes the ankle

Question 1

Fibularis longus

Answer 1

O: head and superior two thirds of lateral surface of fibula. I: base of 1st metatarsal and medial cuneiform. N: superficial fibular nerve (L5, S1, S2) A: everts foot and weakly plantar flexes ankle

Question 2

Tibialis Anterior

Answer 2

O: lateral condyle and superior half of lateral surface of tibia and interosseous membrane I: medial and inferior surfaces of medial cuneiform and base of 1st metacarpal N: deep fibular nerve (L4, L5) A: dorsiflexes ankle and inverts foot

Question 3

Extensor hallucis longus

Answer 3

O: middle part of anterior surface of fibula and interosseous membrane I: dorsal aspect of distal phalanx of great toe N: deep fibular nerve (L4, L5) A: extends great toe and dorsiflexes the ankle

Question 4

Extensor digitorum longus

Answer 4

O: lateral condyle of the tibia and superior three quarters of the medial surface of fibula and interosseus membrane. I: middle and distal phalanges of lateral four digits. N: deep fibular nerve (L4, L5) A: extends lateral four digits and dorsiflexes the ankle

Question 5

Fibularis tertius

Answer 5

O: inferior third of anterior surface of fibula and interosseous membrane. I: dorsum of base of 5th metacarpal. N: deep fibular nerve (L4, L5) A: dorsiflexes the ankle and aids in eversion of the foot

Question 6

Extensor digitorum brevis

Answer 6

O: calcaneus (floor of the tarsal sinus); interosseous talocalcaneal ligament; stem of inferior extensor retinaculum. I: long extensor tendons of four medial digits (toes 2-4) N: deep fibular (L5, S1) A: aids I. The extensor digitorum longus in extending the four medial toes at the metatarsophalangeal and inter phalangers joints

Question 7

Extensor hallucis brevis

Answer 7

O: calcaneus (floor of tarsal sinus); interosseous talocalcaneal ligament; stem of inferior extensor retinaculum I: dorsal aspect of the base of the proximal phalanx of the great toe. N: deep fibular (L5, S1) A: aids the extensor hallucis longus in extending the great toe at the metatarsalphalangeal joint