Scalenus Posterior anatomy.pdf

Functional Anatomy

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Cervical Spine Extension test

Functional Anatomy Testing Tape Specification KT Method Confirmation

Testing

Functional Anatomy

Scalenus Posterior

Origin

Posterior tubercles of the transverse

processes of the 4th through 7th cervical

vertebrae

Insertion

Crosses the fist rib posterior to the

scalenus medius and deep to the levator

scapulae muscle to attach to the lateral

surface of the second, and sometimes the

third, rib

Actions

With insertion fixed:

Lateral cervical flexion to the same side;

rotates cervical spine to opposite side

Support and elevate the upper rib cage

when carrying, lifting, or pulling heavy

objects

With origin fixed:

important auxiliary muscles of inspiration

(more commonly used than are the

sternocleidomastoid muscles)

Nerve

Anterior (motor) branches of the C2-C7

spinal nerves

0097-NE-XX Scalenus Posterior

http://www.kinesiotex.com/portal/systems/KinesioWebsite/jsp/functional_enGB_97.k...

2007-12-20