Lats, teres major Flashcards
1
Q
Insertion of entire latissimus dorsi muscle?
A
Floor of the intertubercular groove of humerus
2
Q
Innervation of entire latissimus dorsi?
A
Thoracodorsal nerve (C6-C8)
3
Q
Action of entire latissimus dorsi muscle? (4)
A
Internal rotaiton
Adduction
Extension
Respiration (“cough muscle”)
4
Q
Origin of scapular part of Latissimus dorsi?
A
Scapula (inferior angle)
5
Q
Origin of vertebral part of the latissimus dorsi?
A
T7-T12 spinous processes
6
Q
Origin of costal part of latissimus dorsi?
A
9th - 12th ribs
7
Q
Origin of iliac crest of latissimus dorsi?
A
Iliac crest
posterior one third
8
Q
Origin of Teres Major?
A
Scapula (inferior angle)
9
Q
Insertion of Teres major?
A
Crest of lesser tuberosity of humerus
anterior angle
10
Q
Innervation of Teres major?
A
Lower subscapular nerve
C5-C7
11
Q
Action of Teres major?
A
Internal rotation
adduction
extension
