Forearm extensors deep group Flashcards
1
Q
Supinator
A
O: lat. epi., sup. crest of ulna
I: prox. 1/3 of radius
N: radial
F: forearm supination
2
Q
Abd. poll. long.
A
O: post. prox. 1/2 rad, ulna, and interos. mem.
I: base mc 1
N: radial
F: abd. and ext. thumb, rad. dev.
3
Q
Ext. poll. long.
A
O: post. mid. 1/3 ulna and interos. mem
I: base dist. thumb
N: radial
F: rad dev, thumb ext.
4
Q
Ext. poll. brev.
A
O: distal 1/3 of rad and interos. mem.
I: base prox. thumb
N: radial
F: ext. thumb, ext. wrist, (weak radial dev.)
5
Q
Ext. ind.
A
O: distal 1/3 ulna and interos. mem.
I: ext. exp. index
N: radial
F: index finger ext., weak hand ext.
6
Q
Anconeus
A
O: lat. epi.
I: olecranon
N: radial
F: weak forearm ext., locks elbow
