X. Myology of the Back: Superficial Back Musculature Flashcards
1
Q
The trapezius is innervated by what nerve?
A
the spinal accessory nerve
2
Q
What forms the spinal accessory nerve innervating the trapezius?
A
C1-C5 cord levels contribute to the spinal root of the spinal accessory nerve
3
Q
The latissimus dorsi is innervated by what nerve?
A
the thoracodorsal nerve
4
Q
What forms the thoracodorsal nerve innervating the latissimus dorsi?
A
ventral rami from C6-C8
5
Q
Which of the muscles of the true back are innervated by the dorsal scapular nerve?
A
levator scapulae, rhomboid major, rhomboid minor
6
Q
What forms the dorsal scapular nerve?
A
the ventral ramus of C5
7
Q
The levator scapulae is innervated by what nerves?
A
the dorsal scapular nerve (ventral ramus of C5) and branches from C3, C4 ventral rami
