The Spinal Column Flashcards

1
Q

How many fused vertebrae are there

A

9

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2
Q

There are 12….. Vertebrae

A

Thoracic

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3
Q

How many lumbar vertebrae are there

A

5

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4
Q

Catligagenous joints make what possible

A

Movement between vertebral bodies

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5
Q

The intervertebral discs in the fibrocartilage are made out of what

A

Outer fibrous rim

Nucleus pulposus

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6
Q

What is a facet

A

A non axial joint that connects vertebrae

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7
Q

What are the 3 kinds of vertebrae

A

Cervical
Thoracic
Lumbar

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8
Q

What movements does the cervical vertebrae do

A

Flexion
Hyper extension
Lateral flexion

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9
Q

What kind of movements does the thoracic vertebrae do

A

Rotation

Lateral bending

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10
Q

What kind of movement does the lumbar vertebrae do

A

Permits Flexion and hyper extension

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11
Q

Name the 2 spinal articulations

A

Atlanto-occipital

Atlantoaxial

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12
Q

Describe the atlano-occipital articulation

A

Condyle of occipital bone articulate with articular fossa of atlas. Hinge joint

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13
Q

Describe the atlantoaxial articulation

A

Dens project upward and form axis which is held in place by transverse ligament. Pivot joint

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14
Q

Name the 4 movements of the spine

A

Flexion
Extension
Lateral flexion
Rotation

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15
Q

Name the 3 aspects of the spinal column

A

Anterior
Posterior
Lateral

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16
Q

Name the 2 regions and their muscles of the anterior aspect of the spinal column

A

Cervical region. Prevertebral muscles
- longus capitus and colli, rectus capitalis anterior and lateralus

Hyoid muscles supra hyoid, infra hyoid.

Thoracic region. Abdominal muscles
- obliquus externus, internus abdominus, rectus abdominus and transverse abdominus

17
Q

Name the 2 regions and their muscles of the posterior aspect of the spinal column

A

Cervical region only.

  • splenius capitus and cervicis
  • suboccipitals

Cervical, thoracic and lumbar.

  • erector spinae
  • deep posterior muscles
  • semispinalis thoracis, cervicis and capitus
18
Q

Name the 2 regions and their muscles of the lateral aspect of the spinal column

A

Cervical region.

  • scalenus ant. And post. And medius
  • sternocleidomastroid
  • levator scapulae

Lumbar region.

  • quadratus lumborum
  • psoas major
19
Q

Name the 4 muscles the spinal column passes

A

Rectus abdominus
Erector spinae
Quadratus laborum
Psoas major and minor

20
Q

How many articulating vertebrae are there

A

24