spinalis thoracis Flashcards
1
Q
spinalis thoracis shape
A
column
2
Q
spinalis thoracis origin
A
spinous processes & supraspinouos ligament of T11-L5, posterior sacral crests, sacrotuberous ligament and posterior part of iliac crest
3
Q
spinalis thoracis insertion
A
spinous processes T11-L2 to spinous processes of T1-T6
4
Q
spinalis thoracis direction of fibres
A
superiorly
5
Q
spinalis thoracis actions
A
extends the spine & head on neck, lateral flexion & rotation on one side
6
Q
spinalis thoracis function
A
maintains upright posture
7
Q
spinalis thoracis nerve supply
A
adjacent posterior rami
