Exam 4 muscles of the foot

Question 1

Plantar muscles of the foot function as a group to:

Answer 1

1. Help maintain the arches of the foot by resisting forces which tend to reduce the arches
2. Assists in the function of some of the leg muscles (inversion & eversion) by helping the foot adapt to the uneven ground

Question 2

Dorsal muscles of the foot:

Answer 2

1. Extensor digitorum brevis

2. Extensor hallucis brevis

Question 3

Both dorsal muscle of the foot are innervated by?

Answer 3

Deep fibular nerve

Question 4

Found beneath the tendons of the extensor digitorum longus where it terminates in 3 separate tendons

Answer 4

Extensor digitorum brevis

Question 5

Origin of Extensor digitorum brevis:

Answer 5

Calcaneus

Question 6

Insertion of Extensor digitorum brevis

Answer 6

Tendons of the extensor digitorum longus muscles of digits 2-4

Question 7

Found deep to the tendon of the extensor hallucis longus & is sometimes considered a part of the extensor digitorum brevis

Answer 7

Extensor Hallucis Brevis