Scalenus Medius anatomy.pdf

Functional Anatomy

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Cervical Spine Extension test

Functional Anatomy Testing Tape Specification KT Method Confirmation

Testing

Functional Anatomy

Scalenus Medius

Origin

Posterior tubercles of the transverse

processes of the 2nd through 7th cervical

vertebrae

Insertion

Slants diagonally to attach to the cranial

surface of the first rib, anterior and lateral

to the groove for the subclavian artery

Actions

With insertion fixed:

Lateral cervical flexion to the same side;

rotates cervical spine to opposite side; flex

head obliquely foreward and sideways

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

0096-NE-XX Scalenus Medius

http://www.kinesiotex.com/portal/systems/KinesioWebsite/jsp/functional_enGB_96.k...

2007-12-20