Spinal Ligaments midterm 2

Question 1

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

Answer 1

One motor unit

IVD and vert spinal lig

Question 2

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

Answer 2

PLL

Question 3

Anatomically the PLL is a part of the ___ components

Answer 3

anterior

Question 4

Biomechanically the PLL acts like the _____ components during motion

Answer 4

posterior

Question 5

Spinal lig. are ____ axial structures

Answer 5

uniaxial

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

Question 6

Spinal lig. provide ____ for the spine

Answer 6

stability

Question 7

Spinal lig. _____ tensile forces

Answer 7

resist

Question 8

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

Answer 8

compressive

Question 9

Spinal lig. serve to protect the SC by ____

Answer 9

restricting the motion

Question 10

Name the 6 functions of the spinal lig.

Answer 10

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

Question 11

The ___ is the most elastic lig. in the body

Answer 11

ligamentum flavum

Question 12

______ keeps the disc in compression at all times

Answer 12

ligamentum flavum

Question 13

ligamentum flavum becomes tense during ____ and is slack during ______

Answer 13

tense during extension

slack during flexion

Question 14

The tensil strength in the ALL is greater in the _____

Answer 14

upper cervical

Question 15

The tensile strength of the ALL is lower in the ____

Answer 15

thoracic and lumbar

greater in the cervical

Question 16

(ALL)

Answer 16

anterior longitudinal Ligament

Question 17

Which is stronger: ALL or PLL

Answer 17

ALL : 4x stronger

Question 18

(PLL)

Answer 18

posterior longitudinal ligament

Question 19

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

Answer 19

ALL

Question 20

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

Answer 20

vertical

Question 21

The PLL undergoes _____ loading during flexion

Answer 21

tensile

Question 22

(CL)

Answer 22

Capsular Ligament

Question 23

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

Answer 23

capsular lig

Question 24

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

Answer 24

capsular lig

Question 25

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

Answer 25

inferior articular process , superior articular process

Question 26

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

Answer 26

capsular lig

Question 27

The capsular lig bears the most strain during ______ movement

Answer 27

rotation

Question 28

(SLL)

Answer 28

suraspinous lig

Question 29

Capsular lig fibers run _________

Answer 29

perpendicular to the facet faces

Question 30

Supraspinous lig fibers are in a _____ direction

Answer 30

vertical

Question 31

SLL are ___ during flexion

Answer 31

stretched

Question 32

During hyperflexion which to lig are the first to fail

Answer 32

supraspinous | intraspinous

Question 33

(ISL)

Answer 33

interspinous lig

Question 34

_____ fills the layers between the two layers of the interspinous

Answer 34

adipose tis

Question 35

ISL lig is __ during flexion and ___ during extension

Answer 35

stretched - flexion | Slack - extension

Question 36

All fibters of the ligamentum flavum are _____ direction

Answer 36

verticle

Question 37

(LF)

Answer 37

ligamentum flavum

Question 38

_____ is the only true elastic lig in the body

Answer 38

ligamentum flavum

Question 39

LF is at highest strain during _____

Answer 39

flexion

Question 40

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

Answer 40

Ligamentum Flavum (LF)

Question 41

Fibers of the Intertransverse lig (IL) are ____ direction

Answer 41

verticle

Question 42

Intertransverse lig limits ____ movement

Answer 42

limits lateral bending to the contralateral side

Question 43

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

Answer 43

Load deformation curve

Question 44

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

Answer 44

strongest, | stiffest

Question 45

Ligaments transfer _____ loads from bone to bone

Answer 45

tensile

Question 46

_______ & ______ determines where falure will occur of a lig

Answer 46

1. the rate of loading | 2. the status of the bone

Question 47

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

Answer 47

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

Question 48

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

Answer 48

ligament

Question 49

The ALL attaches to the _______ portion of the vertebrae

Answer 49

anterior wall of the body

Question 50

The PLL attaches to the ____ portion of the vertebrae body

Answer 50

posterior wall of the body

Question 51

LF attaches to the ______

Answer 51

posterior wall of the vertebral foramen

Question 52

IL attaches to ______

Answer 52

TP's | Inf/ sup aspects

Question 53

ISL attaches to _____

Answer 53

SP's

Question 54

SLL attaches to _____

Answer 54

the tip of the SP

Question 55

Study of ligaments

Answer 55

syndesmology

Question 56

Name for bone and lig. pain

Answer 56

scleratoginest

Question 57

Vert that have the most lig.

Answer 57

Occ-C1, C1-C2

Question 58

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

Answer 58

radiate lig | costovertebral joint

Question 59

Which lig crosses the costvertebral jt

Answer 59

radiate lig | radiates to the HEAD and BODY

Question 60

Costotranserse lig connect the ____ to the ____

Answer 60

conntect the tubercle of the rib, TP ( 2 T's in costotransverse- Tubercle/ TP)

Question 61

The radiate lig attaches the _____ to the ___

Answer 61

head of the rib, | vertebral body

Question 62

______ holds the sacrum to the coccyx

Answer 62

sacrococcygeal lig