iliocostalis lumborum

Question 1

iliocostalis lumborum shape

Answer 1

column

Question 2

iliocostalis lumborum origin

Answer 2

spinous processes & supraspinous ligaments of T11-L5, posterior sacral crests, sacrotuberous ligament and posterior part iliaac crest

Question 3

iliocostalis lumborum insertion

Answer 3

lower 6 ribs

Question 4

iliocostalis lumborum direction of fibres

Answer 4

superiorly

Question 5

iliocostalis lumborum actions

Answer 5

extend the spine & head on neck, lateral flexion and rotation to one side

Question 6

iliocostalis lumborum function

Answer 6

maintain upright posture

Question 7

iliocostalis lumborum nerve supply

Answer 7

adjacent posterior rami