Back muscle layers Flashcards
1
Q
Layer 1
A
Trapezius M
Latissimus Dorsi M
2
Q
Layer 2
A
Rhomboid Major M
Rhomboid Minor M
Levator Scapule M
all innervated by dorsal scapular nerve
3
Q
Layer 3
A
Serratus Posterior Superior M
Serratus Posterior Inferior M
4
Q
Layer 4
A
Splenius Capitis M
Splenis cervicis M
5
Q
Layer 5
A
Erector spinae
Illiocostalis: Lumborum, Thoracis, cervicis
Longissimus: Thoracis, cervicis, capitis
Spinalis: Thoracis, Cervicis, Capitis,
6
Q
Layer 6
A
Semispinalis: Capitis, Cervicis, Thoracis Multifidis M: 3-4 Rotatores Longus M: 2 Rotatores Brevis M: 1 Levator Costarum Longus M Levator Costarum Brevis M
7
Q
Layer 7
A
Interspinalis M
Intertransverseaii M
