longissimus thoracis Flashcards
1
Q
longissimus thoracis shape
A
column
2
Q
longissimus thoracis origin
A
spinous processes & supraspinous ligament T11-L5, posterior sacral crest, sacrotuberous ligament & posterior part iliac crest
3
Q
longissimus thoracis insertion
A
transverse processes of lumbar vertebrae to transverse processes of all thoracic vertebrae and adjacent part of the lower 10 ribs
4
Q
longissimus thoracis direction of fibres
A
superiorly
5
Q
longissimus thoracis action
A
extend the spine & head on neck, lateral flexion & rotation on the same side
6
Q
longissimus thoracis function
A
maintain upright posture
7
Q
longissimus thoracis nerve supply
A
adjacent posterior rami
