Spinal Extension Flashcards
1
Q
Iliocostalis Lumborum (origin)
A
Iliac crest, sacrum
2
Q
Iliocostalis Lumborum (insertion)
A
Angles of lower ribs
3
Q
Iliocostalis Lumborum (action)
A
Extends and laterally bend vertebral column
4
Q
Iliocostalis Lumborum (innervation)
A
Dorsal rami of each region
5
Q
Multifidi (origin)
A
Sacrum, ilium
6
Q
Multifidi (insertion)
A
Spinous processes of vertebrae above, spanning 2-4 segments
7
Q
Multifidi (action)
A
Stabilizes, extends, and rotates spine
8
Q
Multifidi (innervation)
A
Dorsal rami of lumbar region
9
Q
Rotatores (origin)
A
Transverse processes of lumbar spine
10
Q
Rotatores (insertion)
A
Lamina and transverse process of spine above, spanning 1-2 segments
11
Q
Rotatores (action)
A
Stabilizes, extends, and rotates spine
12
Q
Rotatores (innervation)
A
Dorsal rami of spinal nerves
