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term 1- SA 1 FINAL > Spinal Ligaments midterm 2 > Flashcards

Spinal Ligaments midterm 2 Flashcards

- cards from: pink book and lec notes - Need to : add in attachments and lig project info

1
Q

_________ consists of the vert above and below and everything connecting those two vertebraes

A

One motor unit

IVD and vert spinal lig

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2
Q

The only difference btw the anatomical and biomechanical structures is the _____

A

PLL

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3
Q

Anatomically the PLL is a part of the ___ components

A

anterior

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4
Q

Biomechanically the PLL acts like the _____ components during motion

A

posterior

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5
Q

Spinal lig. are ____ axial structures

A

uniaxial

  • most effective in carrying loads along the direction in which the fibers run
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6
Q

Spinal lig. provide ____ for the spine

A

stability

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7
Q

Spinal lig. _____ tensile forces

A

resist

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8
Q

Spinal lig. buckle (crimp) when they are subjected to _____ forces

A

compressive

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9
Q

Spinal lig. serve to protect the SC by ____

A

restricting the motion

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10
Q

Name the 6 functions of the spinal lig.

A
  1. uniaxial
  2. provide stability to the spine
  3. resist tensile forces, buckle under compressive forces
  4. allow for physio motion
  5. protect the SC by restriction of the motion
  6. Ligamentum flavum keeps the disc in compression at all times
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11
Q

The ___ is the most elastic lig. in the body

A

ligamentum flavum

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12
Q

______ keeps the disc in compression at all times

A

ligamentum flavum

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13
Q

ligamentum flavum becomes tense during ____ and is slack during ______

A

tense during extension

slack during flexion

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14
Q

The tensil strength in the ALL is greater in the _____

A

upper cervical

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15
Q

The tensile strength of the ALL is lower in the ____

A

thoracic and lumbar

greater in the cervical

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16
Q

(ALL)

A

anterior longitudinal Ligament

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17
Q

Which is stronger: ALL or PLL

A

ALL : 4x stronger

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18
Q

(PLL)

A

posterior longitudinal ligament

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19
Q

the _____ is three layers thick with fibers running in the vertical direction

A

ALL

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20
Q

The _____ is one layer thick. Fibers run in the vertical direction

A

vertical

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21
Q

The PLL undergoes _____ loading during flexion

A

tensile

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22
Q

(CL)

A

Capsular Ligament

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23
Q

______ ligament: all fibers run perpendicular to the facet faces of each z joint

A

capsular lig

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24
Q

the upper portion of the _____ lig. is stretched during compression. The height of the IVD is reduced . The inf articular process slides down onto the superior articular process

A

capsular lig

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25
Q

Capsular lig. is stretched when the ______ slides down onto the _____

A

inferior articular process , superior articular process

26
Q

The _____lig bers the most strain of all the spinal ligaments during rotation

A

capsular lig

27
Q

The capsular lig bears the most strain during ______ movement

A

rotation

28
Q

(SLL)

A

suraspinous lig

29
Q

Capsular lig fibers run _________

A

perpendicular to the facet faces

30
Q

Supraspinous lig fibers are in a _____ direction

A

vertical

31
Q

SLL are ___ during flexion

A

stretched

32
Q

During hyperflexion which to lig are the first to fail

A

supraspinous

intraspinous

33
Q

(ISL)

A

interspinous lig

34
Q

_____ fills the layers between the two layers of the interspinous

A

adipose tis

35
Q

ISL lig is __ during flexion and ___ during extension

A

stretched - flexion

Slack - extension

36
Q

All fibters of the ligamentum flavum are _____ direction

A

verticle

37
Q

(LF)

A

ligamentum flavum

38
Q

_____ is the only true elastic lig in the body

A

ligamentum flavum

39
Q

LF is at highest strain during _____

A

flexion

40
Q

Which lig is under constant tension when when the spin is in natural position

A

Ligamentum Flavum (LF)

41
Q

Fibers of the Intertransverse lig (IL) are ____ direction

A

verticle

42
Q

Intertransverse lig limits ____ movement

A

limits lateral bending to the contralateral side

43
Q

________ shows that the STRONGEST lig is the ALL, but it is not the stiffest lig

A

Load deformation curve

44
Q

the load deformation curve shows that ____ is the strongest lig., but not the ____ lig

A

strongest,

stiffest

45
Q

Ligaments transfer _____ loads from bone to bone

A

tensile

46
Q

_______ & ______ determines where falure will occur of a lig

A
  1. the rate of loading

2. the status of the bone

47
Q

When there is a slow rate of tensile loading, the __ will faile more often

A

bone

except in osteoporosis- when it will fail at any load rate

48
Q

When there is a fast rate of tensile loading, the ____ will fail more often

A

ligament

49
Q

The ALL attaches to the _______ portion of the vertebrae

A

anterior wall of the body

50
Q

The PLL attaches to the ____ portion of the vertebrae body

A

posterior wall of the body

51
Q

LF attaches to the ______

A

posterior wall of the vertebral foramen

52
Q

IL attaches to ______

A

TP’s

Inf/ sup aspects

53
Q

ISL attaches to _____

A

SP’s

54
Q

SLL attaches to _____

A

the tip of the SP

55
Q

Study of ligaments

A

syndesmology

56
Q

Name for bone and lig. pain

A

scleratoginest

57
Q

Vert that have the most lig.

A

Occ-C1, C1-C2

58
Q

_______ lig attaches the head of the rib to the vertebral body

A

radiate lig

costovertebral joint

59
Q

Which lig crosses the costvertebral jt

A

radiate lig

radiates to the HEAD and BODY

60
Q

Costotranserse lig connect the ____ to the ____

A

conntect the tubercle of the rib,
TP

( 2 T’s in costotransverse- Tubercle/ TP)

61
Q

The radiate lig attaches the _____ to the ___

A

head of the rib,

vertebral body

62
Q

______ holds the sacrum to the coccyx

A

sacrococcygeal lig

term 1- SA 1 FINAL (2 decks)

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