Quiz 2 Flashcards

(110 cards)

1
Q

Glenohumeral joint

Movement class

A

Diarthrosis

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2
Q

Glenohumeral joint

Mechanical Class

A

Ball and socket

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3
Q

Glenohumeral joint

Movements

A

Flex/ Ext
Add, Abd
IR/ ER

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4
Q

50 abduction and

30 degrees horizontal adduction

A

Glenohumeral joint
Open pack position
50 abduction and
30 degrees horizontal adduction

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5
Q

Sternoclavicular joint

Movement class

A

Diarthroses

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6
Q

Sternoclavicular joint

Mechanical class

A

Saddle Joint

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7
Q

Sternoclavicluar joint

Movements

A

Protrusion/ Retrusion

Elevation/ depression

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8
Q

Arm resting by side

A
Sternoclavicluar joint 
open pack position 
AND 
Acromioclavicular joint
Open pack position
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9
Q

Acromioclavicular joint

Movement class

A

Diarthroses

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10
Q

Acromioclavicular joint

Mechanical class

A

Plane synovioil (acts like pivot)

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11
Q

Acromioclavicular joint

Movements

A

Gliding and some rotation of scapula

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12
Q

Humero-ulnar joint

Movement class

A

Diarthroses

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13
Q

Humero-ulnar joint

Mechanical class

A

Hinge

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14
Q

Humero-ulnar joint

Movements

A

Flex/ Ext

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15
Q

70 degree elbow flexion

10 degree supination

A

Humero-ulnar joint

Open pack position

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16
Q

Proximal Radio-ulnar joint

Movement class

A

Diarthroses

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17
Q

Proximal Radio-ulnar joint

Mechanical class

A

Pivot Joint

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18
Q

Proximal Radio-Ulnar joint

Movements

A

Pronation/ supination

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19
Q

Radiocarpal joint

Movement class

A

Diarthroses

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20
Q

Radiocarpal joint

Mechanical class

A

Ellipoid

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21
Q

Radiocarpal joint

Movements

A

Flex/ Ext

Abd/ Add

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22
Q

Metacarpal joint

Movement class

A

Diarthroses

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23
Q

Metacarpal joint

Mechanical class

A

Planar

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24
Q

Metacarpal joint

Movements

A

Sliding

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25
Proximal interphalangeal joint | Movement classification
Diarthroses
26
Proximal interphalangeal joint | Mechanical class
Hinge
27
Proximal interphalangeal joint | Movements
Flex/ Ext
28
1st Carpal-metacarple joint | Movement classification
diarthroses
29
1st carpal-metacarple joint | Mechanical class
Saddle
30
1st carpal-metcarple joint | Movemetns
flex/ ext | abd/add
31
Metacarpal phalangeal joint | Movement class
Diarthroses
32
Metacarpal phalangeal joint | Mechanical class
Condyloid joint
33
Metacarpal phalangeal joint | Movements
Flex/ ext | Abd/ add
34
Apophyseal joint | Movement class
Diarthroses
35
Apophyseal joint | Mechanical class
synovial plane
36
Apophyseal joint | Movements
lat flex/ext | flex/ rotation
37
Atlantoaxial joint | Movement class
diarthroses
38
Atlantoaxial joint | Mechanical class
pivot
39
Atlantoaxial joint | Movements
Rotation
40
ilio-femoral joint "hip" | Movement class
diarthoses
41
ilio-femoral joint "hip" | Mechanical class
Ball and socket
42
ilio-femoral joint "hip" | movemetns
flex/ext add/abd ir/er
43
Tibiofemoral joint | Movement class
diarthroses
44
Tibofemoral joint | mechanical class
condyloid joint
45
tibiofemoral joint | movements
flex/ext | ir/er
46
Proximal tibiofibular joint | Movement class
SYNARTHRODIAL
47
Proximal tibiofibular joint | Mechanical class
plane
48
Proximal tibiofibular joint | Movements
sup/ inf translation | ant/post translation
49
Talocural joint | Movement class
Diarthoses
50
Talocural joint | Mechanical class
hinge
51
Talocural joint | Movemetns
dorsal flexion | plantar flexion
52
Subtalar joint | Movement class
diarthoses
53
Subtalar joint | Mechanical class
synarthroal unixaial oblique hinge
54
Subtalar joint | Movements
inversion | eversion
55
Talonavicular and Calcaneocuboid joints | Movement class
diarthoses
56
Talonavicular and calcaneocuboid joints | Mechanical class
saddle joint
57
Talonavicular and calcaneocuboid joints | Movements
dorsiflexion plantar flesion add/abd er/ir
58
What do joints do?
Dissapate forces from gravity and muscles
59
What are the two classifications based on movements
synarthrodial and diatheses
60
Explain synarthodial
has little or no movement
61
explain diarthrodial
lots of movement
62
Fibrosis synarthrodial joint examples
dense hard ct ~suture of skull ~ interosis radio-ulnar joint ~distal tibio-femoral joint
63
Cartilaginous synarthrodial joint examples
less collagen ~ symphasis pubis ~interjoints of the spine ~manubrial sternal joint
64
What are the examples of diarthroses joints?
~Gleunohumeral ~Apopyseal joint of the spine ~tibiofemoral ~talocural joint
65
What is always associated with diarthrodal joints?
``` Synovial fluid Articular cartlidge Joint capsule Synovial membrane Ligaments Blood vessels Sensory nerves ***************************** ```
66
What is sometimes associate with diarthrodail joints?
``` ~interarticular disc ~peripheral labrum ~Fat pads ~bursa ~synovial plicae ```
67
What covers the ends of bones and artcicular surfaces and also makes the joint capsule?
articular cartlidge
68
What are the two layers of the joint capsule?
Outer- Dense CT | Inner- synovial membrane
69
What does synovial fluid contain?
Proteins found in blood plasma ~hyaluranon ~ glycoproteins
70
What does synovial fluid do?
nutrition | lubrication
71
What do ligaments do?
Connect bone to bone | resist excessive movements
72
What are the two types of ligaments? How do the differ? What are some examples?
~capsular--> broad, resist movement in 2-3 planes, MCL and glenohumeral joint ~extracapsular--> thinner, cord like resist in 1-2 planes LCL in knee
73
Where do blood vessels penetrate the joint capsule?
As deep as the layer between the synovial membrane and outer fibrous layer.
74
What do nerves do in diarthrodail joints?
pain and propreoception
75
What do interarticular disc do
increase joint congruency and force dispersion
76
What do peripheral labrum do? | Where are they found?
~Deepen the concave aspect of the joint and thicken attachment for the joint capsule ~glenohumeral joint and actabulum
77
Where are fat pads located? What do they do? What happened if they are inflamed?
~b/t synovial layer and fibrous layer ~ reduce amount of synovial fluid ~reduce synovial fluid more and impinge
78
What are bursa? Where are they? What do they do?
~extension of synovial membrane filled with synovial fluid ~adjacent to fat pads ~also in high stress areas.
79
What are synovial plicae? What do they do? Where are they commonly found? What happens if they get inflamed?
~Slack plates of innermost joint capsule they shrink as you get older but you will always have them. ~They increase synovial fluid surface area and allow full motion. ~They are commonly found in the elbow and knee ~You will loose certain range of motion. Pain is most commonly found in medial plicae
80
Which joints are mostly spheric convex surfaces that is enlarged in one demotion?
condyloid joints
81
Why is the axis of rotation hard to find?
because it translates
82
What is the instantaneous axis of rotation?
Where the AoR is in that perticular instance
83
What is the evolute?
curved line made by all the axis of rotations
84
What is the average axis of rotation? | How do we do it?
~estimation of all the instantaneous axis of rotations ~use CONVEX part as a reference point ~gonometry
85
How do the kinematic chains of synartrodial and diarthrodial joints differ?
~synarthrodial: -simple, stable, little movement (sutures of skull) ~diarthrodial: -complex, mobility, little stability
86
What is a kinematic chain?
series of links interconnected by a series of joints
87
How are stability and mobility related?
stability is a prerequisite for mobility
88
Describe open chain movements including where they are generally located
~Open chain, one joint can move independently of others and the distal end of the chain is free to move. ~ Mostly in the upper body
89
Describe close chain movements including where they are generally located
~Distal and proximal ends are both fixed. Movement in one joint causes movement in one or more other joints. ~Weight bearing activities and lower extremity actives.
90
What is range of motion? | What determines RoM?
~Amount of movement available to the joint with in the anatomic limits limitations of the joint. a. Shape of the joints surfaces b. Joint capsule c. Ligaments. d. Muscle bulk e. Musculotendenous structures. f. Bony structures.
91
What is an end field? | What are the different types?
~Sensation at the end of passive physiological movements a. Soft→ muscular b. Firm→ ligaments c. Hard→ bony
92
Soft end field
muscular
93
Firm end fiel
ligaments
94
hard end field
bony
95
Hypermobile Vs. Hypomobile
~Hyper: > normal movement, muscle weakness, instability ~Hypo: < normal movement, boney or cartlidgeous blocks, inability to elongate ct, contracture.
96
Osteokinematics Vs. Arthrokinematics
~Osteo is based on anatomical position, it is the location of the bones in space, voluntary control ~Arthro is the location of the joints in relation to eachother. Can not be isolatied.
97
What is physiological joint motion?
arthro + osteo kinematics
98
Rolling joint example
rocking tibeofemoral joint different contact points
99
Sliding joint example
~“Gliding” ~metacarpophalangeal ~same contact point for ball different for ground.
100
Spin joint example
~radiohumeral | ~same contact point for ground different for ball.
101
Combination of movements occur to _____ and depends on ___
~Preserve the joints integrity | ~Joint articulating surfaces.
102
Explain concave on convex rule
.
103
What is the thing to remember about joint play
has to be in open pack position
104
Describe close pack position
~usually at the end of the rom, ~ligaments are taught, ~joint surfaces are maximally congruent. ~Greatest stability and resistance to tensile forces ~little or no joint play possible
105
Describe open pack position
~most relaxed, ~large joint volume, ~maximum amount of joint play.
106
What is in PCT
~ Fibrous proteins (type I and type II collagen fibers elastin ~Ground substance (Glycosaminoglycans, water, solutes) ~Cells (chondrocytes and fibroblast)
107
Explain the different types of collagen
~Type I: Thick, rigid stronger dense CT, lig, tent fibrous part of joint capsule fibrocartlidge ~Type II: thinner, less strength, stiff higher consistence articular cartilage
108
Explain elastic fibers
resist tension but give more when elongated ~ hylin or elastic cartlidge ~certian spinal ligaments
109
Where is Dense connective tissue found?
fibrous part of joint capsule, ligaments and tendons
110
Characteristics of DCT
``` ~type 1 fibers LOW: ~ fibroblast ~PG and elastin ~blood supple ~metabolism ```