Back Musculature Flashcards
0
Q
Erector spina three branches?
A
- Illiocostalis lumborum 2. Longissimus dorsi 3. Spinalis dorsi
1
Q
Erector spina origin?
A
Lumbar and sacral spines
2
Q
Illicostalis lumborum action?
A
Extension and ipsilateral rotation of the spine
3
Q
Longissimus dorsi action?
A
Spine extension and ipsilateral lateral flexion
4
Q
Spinalis dorsi action?
A
Extension of spine (no rotation)
5
Q
Multifudis action?
A
Extension and rotation of spine Important stabilizers *when you pick something up improperly can put stress on these muscles and create muscle spasms
6
Q
Quadratus lumborum origin?
A
Posterior iliac crest
7
Q
Quadratus lumborum insertion?
A
L1-L5 transverse process
8
Q
Quadratus lumborum action?
A
Extension, flexion and lateral flexion of the spine *spasms
