Intrinsic muscles of the dorsum of the foot Flashcards
1
Q
Origin of extensor digitorum brevis?
A
Calcaneus (dorsal surface)
2
Q
Insertion of extensor digitorum brevis?
A
2nd to 4th toes (at dorsal aponeuroses and bases of the middle phalanges)
3
Q
Innervation of extensor digitorum brevis?
A
Deep fibular n.
L5, S1
4
Q
Action of extensor digitorum brevis?
A
Extension of the MTP and PIP joints of the 2nd to 4th toes
5
Q
Origin of extensor hallucis brevis?
A
Calcaneus (dorsal surface)
6
Q
Insertion of extensor hallucis brevis?
A
1st toe (at dorsal aponeurosis and proximal phalanx)
7
Q
Innervation of extensor hallucis brevis?
A
Deep fibular n.
L5, S1
8
Q
Action of extensor hallucis brevis?
A
Extension of the MTP joints of the 1st toe