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Musculoskeletal Studies > Ligaments and Musculature of the Cx Spine > Flashcards

Ligaments and Musculature of the Cx Spine Flashcards

1
Q

What are the attachments of ligamentum nuchae?

A

O: Spinous process of C7
I: EOP, Posterior tubercle of atlas and spinous processes of C2-C6

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2
Q

What is the function of ligamentum nuchae?

A

Provides attachments for muscles

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3
Q

What are the attachments of the anterior Atlanto-occipital membrane?

A

O: Anterior Arch of Atlas
I: Anterior margins of foramen magnum

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4
Q

What are the attachments of the posterior Atlanto-occipital membrane?

A

O: posterior arch of atlas
I: posterior margins of the foramen magnum

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5
Q

What are the attachments of the anterior longitudinal ligament?

A

Attaches to anterior part of the bodies and discs of the vertebrae

Runs from C1 to pelvic surface of sacrum - widening as it descends

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6
Q

What are the attachments of the posterior longitudinal ligament?

A

Posterior parts of the bodies and discs (within the vertebral canal)

Runs from C2 to sacrum

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7
Q

What are the attachments of the ligamentum flavum?

A

Front of the lower border of the lamina above and the upper border of the lamina below

  • running from C1 to L5
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8
Q

What are the attachments of the interspinous ligament?

A

between the adjacent vertebral spines from C1 to S4

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9
Q

What are the attachments of the transverse ligament of atlas?

A

Attaches to the medial parts of the C2 pedicles (passing behind the dens)

Anterior band passes to the foramen magnum

Another band passes downwards to the back of the body of the dens

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10
Q

What are the attachments of the Alar ligament?

A

From each side of the apex of dens to the medial side of the occipital condyles

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11
Q

What is the function of the ALL?

A

limits extension - reinforces the front of the AF

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12
Q

What is the function of the PLL?

A

Limits flexion - reinforces the back of the AF

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13
Q

What is the function of the Ligamentum Flavum?

A

Limits flexion

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14
Q

What is the function fo the interspinous ligament?

A

Limits flexion

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15
Q

What is the function of the Anterior atlanto-occipital membrane?

A

Limits extension

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16
Q

What is the function for the posterior longitudinal ligament?

A

Limits flexion

17
Q

What is the function of the transverse ligament of atlas?

A

Keeps the odontoid process in contact with atlas

18
Q

What is the function of the alar ligament?

A

Limits head rotation and lateral flexion

19
Q

What are the attachments of Levator Scapulae?

A

O: TPs of C1-C4

I: Medial margin of scapula

20
Q

What is the function of Levator Scapulae? (4)

A
  • Elevation & retraction of pec. girdle
  • Neck extension
  • Neck lateral flexion
  • Medial Rotation of Scapula
21
Q

What is the function of Sternocleidomastoid?

A
  • Neck flexion
  • Neck lateral flexion
  • Neck rotation to opposite side
22
Q

What are the attachments of Sternocleidomastoid?

A

O: Mastoid process and superior nuchal line

I: Superior surface of manubrium and medial 1/3rd of clavicle

23
Q

What are the attachments of Anterior Scalene?

A

O: anterior tubercle of TPs of C3 to C6

I: Inner border of 1st rib

24
Q

What is the function of Anterior Scalene?

A
  • Neck flexion
  • Lateral flexion of neck
  • Rotation of neck to opposite side
25
Q

What are the attachments of Middle Scalene?

A

O: TPs of C1 and C2, posterior tubercles of TPs C3-7

I: upper surface of 1st rib

26
Q

What is the function of the middle scalene?

A

Lateral flexion of Cx spine to the same side

27
Q

What are the attachments of posterior scalene?

A

O: posterior tubercles of TPs of C4-6

I: outer surface of 2nd rib

28
Q

What is the function of posterior scalene?

A

Lateral flexion of Cx spine to the same side

29
Q

What is the function of Longus Colli?

A

Flexion of Cx spine

Lateral flexion to the same side

30
Q

What is the action of the Cervicis muscles?

A

Extension and lateral flexion of Cx spine

31
Q

What is the action of the capitis muscles?

A

Extension and rotation of Cx spine to the opposite side

32
Q

What are the attachments of trapezius?

A

O: superior nuchal line, EOP, ligamentum nuchae, SPs of C7-T12 and supraspinous ligament

I: UPPER FIBRES - posterior border of clavicle
MIDDLE FIBRES - acromion and crest of spine of scapula
LOWER FIBRES - tubercle at medial end of spine of scapula

33
Q

What are the functions of trapezius?

A

LR of scapula

UPPER FIBRES: elevation of pec girdle, extension and lateral flexion of Cx spine

MIDDLE FIBRES: retract pec girdle

LOWER FIBRES: depress pec girdle

Musculoskeletal Studies (38 decks)

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