Trail Guide to the body Chapter 4

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Pull the ribs up

Action of the intercostals

Unilaterally: Laterally flex vertebral column to the same side Bilaterally: Extend the vertebral column

Actions of the Longissimus

Draw down the central tendon of the diaphragm and to increase the volume of the thoracic cavity during inhalation.

Actions of the diaphragm

spinous process

Insertion for Multifidi

Superior border of the rib

Insertion for intercostals

Mastoid process

Insertion for splenius capitis

Abdominal aponeurosis

Insertion for the Transverse Abdominis

Mastoid process

Insertion of the Longissimus

Costal Lumbar Sternal

Origin for the diaphragm

iliac crest

Origin of Quadratus lumborum

Inferior boarder of ribs

Origin of the Intercostals

Multifidi

Span 2 - 4 vertebrea

Trapezius Sternocleidomastoid

The spenius capitis is a deep muscle except on the lateral side of the neck where it is superficial between which 2 muscles?

Raise and lower feet slightly

To contract the lower fibers of the erector spinal group in a prone position, you could ask your partner to perform what action?

Short, diagonal

Unlike the long, vertical erector fibers, the branches of the transversospinalis group consist of many of these fibers.

Rectus Abdominis

What muscle is referred to as the washboard muscle?

Middle Trapezius Rhomboids

When exploring between the scapulae, can you name two muscles through which you will have to palpate to access the deeper erector spinae fibers?

rectus abdominis

Which abdominal muscle runs vertically from the rib cage to the pubic crest?

Lateral edge

Which edge of the quadratus lumborum is accessible from the side of the torso?

Rotatores

span 1-2 vertebrae


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