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S1 EXAM PREP- FA > MUSCLES + LIGS OF THE VC AND BACK > Flashcards

MUSCLES + LIGS OF THE VC AND BACK Flashcards

1
Q

Where does the anterior longitudinal lig run

A

Runs along the anterior surface of the vertebral bodies of the whole vertebral column

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2
Q

What is the function of the anterior longitudinal lig

A
  • Tightens in extension of spine
  • Assists the prevention of extreme extension
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3
Q

Where does the Posterior Longitudinal Ligament run

A

Runs along the posterior surface of the vertebral bodies and the whole of the vertebral column

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4
Q

What Is the function of the posterior longitudinal lig

A
  • Stretches,,therefore tightens when the spine flexes
  • Assists in limiting flexion
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5
Q

Where does the Supraspinous ligament run

A

Runs along the length of the whole column, attaching to the tips of the spinous processes of the vertebrae

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6
Q

What is the function of the sacrospinous lig

A
  • Tightens in full flexion which helps to limit this movement
  • In the neck, where the lig continues upwards to attach to the external occipital protuberance (know as the nuchal ligament)
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7
Q

Where does the Interspinous ligament run

A

These are short 1-segment ligaments that attach to the underside of one spinous process to the upper edge of the spinous process below

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8
Q

What is the function of the interspinous lig

A

Assist in limiting flexion of spine

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9
Q

Where does the intertransverse lig run

A

These are short 1- or 2-segments that run between the transverse process of almost successive vertebrae

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10
Q

What is the function of the intertransverse lig

A
  • Limit lateral flexion
  • Provides stability
  • Provide proprioceptive information about the position of the vertebrae
  • Responsible for the accessory process of lumbar vertebrae
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11
Q

Where does the ligamentum flavum run

A

Short 1-segment ligaments that join the adjacent laminate

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12
Q

What is the function of ligamentum flavum

A

A theory as to the use of this uncommon tissue composition is: a collagenous ligament allowing the same amount of movement would be very loose in the unstretched position, and might interfere with the spinal cord (impinge it).

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13
Q

Where does the alar lig run

A

Joins the dens to the occipital condyles

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14
Q

What is the functions of the alar lig

A

The left alar ligament becomes taut when the head is turned too far to the right

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15
Q

What is the function of the apical lig

A

-Helps hold the dens to the occipital bone
- Theoretically stops the atlas and head separating vertically

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16
Q

Where does the Anterior Atlanto-occipital membrane (AOM) run

A

An upward continuation of the anterior longitudinal ligament

17
Q

What is the function of the Anterior Atlanto-occipital membrane (AOM)

A

Resists extreme head extension

18
Q

Where does the Posterior Atlanto-occipital membrane (AOM) run

A

An upward continuation of the Ligamentum flavum

19
Q

What is the function of the Posterior Atlanto-occipital membrane (AOM)

A
  • Protects the spinal cord
20
Q

Where does the tectorial membrane run

A

An upward continuation of the posterior longitudinal ligament

21
Q

What is the functions of the tectorial membrane

A

Gets tight in extreme head flexion

22
Q

What does the cruciate lig (vertical part) attach

A

Attaches the base of the dens to the occipital bone

23
Q

What does the cruciate lig (transverse part) do

A

Attaches to the left and right arches of the atlas, holding forwards the dens

24
Q

Where does the nuchal lig run

A

An upwards continuation of the supraspinous lig in the neck

25
Q

What is the functions of the nuchal lig

A
  • important for resisting flexion and returning to extension
  • provides muscle attachment to cervical SP
  • extends the SP of the cervical vertebrae and extends from the base of the skull to the 7th cervical vertebrae
26
Q

What is the origin of trapezius

A
  • nuchal lig
  • external occipital protuberance
  • spinous processes and supraspinous ligaments of vertebrae T4-T1
27
Q

Insertion of trapezius

A
  • clavicle
  • spine of scapulae

S1 EXAM PREP- FA (5 decks)

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