Vertebral Column

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Flexion
- Rectus Abdominis
- Exernal Oblique (bilaterally)
- Internal Oblique (bilaterally)
- Psoas major (with the origin fixed)
- Illiacus (with the origin fixed)
Extension
- Longissimus (bilaterally)
- Illiocostalis (bilaterally)
- Multifidi (bilaterally)
- Rotatores (bilaterally)
- Semispinalis Capitis
- Spinalis (bilaterally)
- Quadratus Lumborum (assists)
- Interspinalis
- Intertransversarii (bilaterally)
- Latissimus dorsi (assists, when arm is fixed)
Rotation (all unilaterally)
- External oblique (to the opposite side)
- Internal oblique (to the same side)
- Multifidi (to the opposite side)
- Rotatores (to the opposite side)
Lateral Flexion (unilaterally to the same side)
- Iliocostalis
- External Oblique
- Internal Oblique
- Longissimus
- Quadratus Lumborum
- Psoas Major (assists)
- Intertransversarii
- Spinalis
- Latissimus dorsi (assists)
Elevation/Expansion (involved with inhalation)
- Anterior scalene (bilaterally)
- Middle scalene (bilaterally)
- Posterior scalene (bilaterally)
- Sternocleidomastoid (assists)
- External Intercostals (assists)
- Serratus Posterior Superior
- Pectoralis Major (all fibers may assist if arm is fixed)
- pectoralis Minor (if scapula is fixed)
- Serratus Anterior (if scapula is fixed)
- Subclavius (first rib)
Depression/Collapse (involved w/ exhalation)
- Internal Intercostals (assists)
- Serratus Posterior Inferior
ERECTOR SPINAE GROUP
-muscle actions-
- Unilaterally: Laterally FLEX vertebral column to the same side
- Bilaterally: EXTEND the vertebral column
- Runs from the sacrum to the occiput
What are the Branches of the Erector Spinae Group?
- Spinalis
- Longissimus
- Iliocostalis
When do you use your erectors? (3 from trail guide)
- Maintaining an upright posture
- Returning to anatomical position after tying your shoes
- Picking up a heavy suitcase (lateral flexion)
What are the 3 muscles in the Transversospinalis Group?
- Multifidi
- Rotatores
- Semispinalis Capitis
Multifidi & Rotatores
-muscle actions-
- Unilaterally: ROTATE the vertebral column to the opposite side
- Bilaterally: EXTEND the vertebral column
Semispinalis Capitis
-muscle actions-

EXTEND vertebral column and head
When do you use your transverso? (3 from trail guide)
- Rotating your torso to strap on a seat belt
- Arching and rotating your spine during a big "power yawn"
- heaving dirt off a shovel (extension and rotation of spine)

Author

xdiabx

115996

Card Set

Vertebral Column

Description

Muscles involved in each movement of the vertebral column,

Updated

2011-11-11T01:56:34Z