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Functional anatomy
Vertebral Column Muscles
16
Anatomy
Undergraduate 1
09/18/2013
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Term
Sternocleidomastoid *
 Definition
Origin-Sternum, Clavicle

Insertion- Mastoid process

Actions- Bi:Flexion of head
Uni: rotation of head
Term
Scalenes
 Definition
Action: Elevation of ribs
Term
Rectus Abdominis*
 Definition
Origin: Pubis

Insertion: Ribs and xiphoid process

Action:
Flexes Truck
Term
External Oblique
 Definition
Rotates Vertebral Column
Term
Internal Oblique
 Definition
Laterally Flexes vertebral column

Rotates vertebral column
Term
Psoas Major*
 Definition
Origin: Lumbar Vertebral Bodies

Insertion: Lesser Trochanter of Femur

Action: Flexion of trunk and hip
Term
Quadratus Lumborum
 Definition
Action: Bearing down and expiration
Term
Spinalis Capitis
 Definition
Action: extension head
Term
Spinalis Cervisis
 Definition
Action: extension trunk
Term
Spinalis Thoracis
 Definition
extension trunk
Term
Longissimus capitus
 Definition
Action: Extension Head
Term
Longissimus cervicis
 Definition
Action: Extension Trunk
Term
Longissimus thoracis
 Definition
Action: Extension Trunk
Term
Illiocostalis Lumborum
 Definition
Action: Extension Trunk
Term
Rotatores
 Definition
Action: Extension Trunk
Term
Multifidis
 Definition
Action: Stabilize trunk
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