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Functional Anatomy > Exam #1 - Upper Limb > Flashcards

Exam #1 - Upper Limb Flashcards

1
Q

Sternoclavicular Joint type

A

Saddle

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2
Q

SCJ Degrees of Freedom

Osteokinematics

A

3

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3
Q

Function of SCJ

A

Place scapula in position to accept head of humerus

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4
Q

SCJ close-pack position

A

Max shoulder elevation and protraction

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5
Q

SCJ open-pack position

A

Arm resting by side

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6
Q

Osteokinematics of the SCJ

Plane + Motion

A

frontal: elevation & depression
sagittal: axial rotation of clavicle
horizontal: retraction & protraction

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7
Q

Elevation of SCJ

Convex clavicle roll ______/______, slide _______/______ on the concavity of the sternum

Arthrokinematics

A

Convex clavicle roll superior/medial, slide inferior/lateral on the concavity of the sternum

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8
Q

Depression of SCJ

Convex clavicle rolls ____/____ and slides _____/_____ on the convexity of the sternum

Arthrokinematics

A

Convex clavicle roll inferior/lateral, slide superior/medial on the concavity of the sternum

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9
Q

Retraction of SCJ

Concave clavicle roll & slide ____

Arthrokinematics

A

Concave clavicle roll & slide posteriorly

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10
Q

Protraction of SCJ

Concave clavicle roll & slide ____ on the convexity of sternum

Arthrokinematics

A

Concave clavicle roll & slide Anteriorly on the convexity of sternum

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11
Q

Posterior rotation of SCJ

Posterior spin of the sternal end of the clavicle relative to the ____ surface of the articular disc

Arthrokinematics

A

Posterior spin of the sternal end of the clavicle relative to the lateral surface of the articular disc

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12
Q

Anterior rotation of SCJ

Anterior spin of the sternal end of the clavicle relative to the ____ surface of the articular surface

Arthrokinematics

A

Anterior spin of the sternal end of the clavicle to the lateral surface of the articular surface

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13
Q

The acromioclavicular joint is considered what type of joint

A

gliding/plane

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14
Q

ACJ degrees of freedom

Osteokinematics

A

3

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15
Q

Planes of motions of the ACJ

Osteokinematics

A

frontal
sagittal
horizontal

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16
Q

Function of ACJ

A

fine tunes position of scapula

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17
Q

ACJ close-pack position

A

90° ABDuction

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18
Q

ACJ open-packed position

A

arm resting by side

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19
Q

Scapular plane of ACJ

A

frontal plane

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20
Q

Osteokinematic of ACJ: upward & downward rotation

Natural component to ____&____ as well as ____&____

A

Natural component to abduction & flexion as well as adduction & extension

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21
Q

IR/ER in the horizontal plane of the ACJ is defined by

A

defined by the direction of rotation of the glenoid fossa

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22
Q

Sagittal plane of rotational adjustments of the ACJ

A

described as anterior tilting & posterior tilting

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23
Q

Scapulothoracic Joint is considered what type of joint

A

NOT considered a true joint

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24
Q

Function of scapulothoracic

A

Afford shoulder wide ROM available

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25
Closed-packed position of Scapulothoracic
none
26
Open-packed position of Scapulothoracic
Arm by side, Sacpula in 30-45° IR, Slight UR, 5-20° anterior tilt
27
Occurs as a summation of SCJ & ACJ rotation | Arthrokinematics
**Frontal:** Elevation & Depression, Upward & Downward Rotation **Horizontal:** Protraction & Retraction
28
Glenohumeral Joint is classified as what?
ball and socket
29
Degrees of freedome: GHJ | Osteokinematics
3
30
Function of GHJ
Operates in conjuction with moving scapula to produce extensive ROM of UE
31
Closed-pack position of GHJ
90° ABD and full ER Full ABD and ER
32
Open-pack position; GHJ
55° ABD 30° horizontal ADD
33
Osteokinematics of GHJ | Plane + Motions
**Frontal:** ABD/ADD **Sagittal:** Flx/Ext **Horizontal:** IR/ER
34
Abduction of GHJ Convex humerus roll ____/____ slide ____/____ on the concavity of the glenoid | Arthrokinematics
Convex humerus *roll* **superior/medial** & *slide* **inferior/lateral** on the concavity of the glenoid
35
Adduction of GHJ Convex humerus roll ____/____ slide ____/____ on the concavity of the glenoid | Arthrokinematics
Convex humerus *roll* **inferior/lateral** *slide* **superior/medial** on the concavity of the glenoid
36
Flexion of GHJ ____ spin of humeral head about glenoid fossa | Arthrokinematics
**Anterior** spin of humeral head about glenoid fossa
37
Extension of GHJ ____ spin of humeral head about glenoid fossa | Arthrokinematics
**Posterior** spin of humeral head about glenoid fossa
38
External Rotation of GHJ Convex humerus rolls ____ slides ____ on the concavity of the glenoid | Arthrokinematics
Convex humerus rolls **posterior** slides **anterior** on the concavity of the glenoid
39
Internal Rotation of GHJ Convex humerus rolls ____ slides ____ on the concavity of the glenoid | Arthrokinematics
Convex humerus rolls **anterior** slides **posterior** on the concavity of the glenoid
40
Humero-ulnar joint is considered what type of joint?
Hinge joint (modified)
41
Humero-ulnar degrees of freedom | Osteokinematics
1
42
Osteokinematics of Humero-ulnar joint
**Sagittal:** Flexion/Extension
43
Humero-ulnar Function
Allows pulling, lifting, feeding, throwing, grooming, reaching & pushing activities
44
Humero-ulnar Closed-Pack Position
full extension
45
Humero-ulnar Open-Pack Position
70° flexion + 10° supination
46
Flexion of HUJ Concave trochlear notch roll & slides ____/____ on the convexity of the trochlea | Arthrokinematics
Concave trochlear notch roll & slides **anterior/superior** on the convexity of the trochlea
47
Extension of HUJ Concave trochlear notch roll & slides ____/____ on the convexity of the trochlea | Arthrokinematics
Concave trochlear notch roll & slides **posterior/superior** on the convexity of the trochlea
48
Extension of HUJ is coupled with | Osteokinematics
valgus & ulnar pronation
49
Extension + Valgus of HUJ Convex ulna rolls ____ slide ____ on the concave of trochlea | Arthrokinematics
Convex ulna rolls **lateral** slides **medial** on the concave of trochlea
50
Extension + Ulnar Pronation of HUJ Convex ulna rolls ____ slide ____ on the concave of trochlea | Arthrokinematics
Convex ulna rolls **lateral** slides **medial** on the concave of trochlea
51
Flexion of HUJ is coupled with | Osteokinematics
Valgus or Varus & Ulnar Supination
52
Flexion + Varus of HUJ Convex ulna rolls ____ slide ____ on the concave of trochlea | Arthrokinematics
Convex ulna roll **medial** slide **lateral** on the concave trochlea
53
Flexion + Valgus of HUJ Convex ulna rolls ____ slide ____ on the concave of trochlea | Arthrokinematics
Convex ulna roll **lateral** slide **medial** on the concave trochlea
54
Flexion + Ulna Supination of HUJ Convex ulna rolls ____ slide ____ on the concave of trochlea | Arthrokinematics
Convex ulna roll **medial** slide **lateral** on the concave trochlea
55
Humeroradial Joint is considered what type of joint
Pivot (ball & socket, modified)
56
Humeroradial Joint degrees of freedom | Osteokinematics
**Sagittal:** Flexion/Extension **Horizontal:** Pronation/Supination
57
Function of Humeroradial Joint
Provides 50% resistance against a valgus-producing force to the elbow
58
HRJ close-pack position
elbow flexed to 90° + forearm supination of 5°
59
HRJ open-pack position
full extension + full supination
60
Flexion of Humeroradial Joint Concave radial head rolls & slides ____/____ on the convexity of the capitulum | Arthrokinematics
Concave radial head rolls & slides **anterior/superior** on the convexity of the capitulum
61
Extension of Humeroradial Joint Concave radial head rolls & slides ____/____ on the convexity of the capitulum | Arthrokinematics
Concave radial head rolls & slides **caudal/posterior** on the convexity of the capitulum
62
Pronation of Humeroradial Joint ____ spin of the concave radial head about the convex capitulum of the humerus | Arthrokinematics
**medial** spin of the concave radial head about the convex capitulum of the humerus
63
Supination of Humeroradial Joint ____ spin of the concave radial head about the convex capitulum of the humerus | Arthrokinematics
**lateral** spin of the concave radial head about the convex capitulum of the humerus
64
Extension of HRJ is coupled with | Osteokinematics
Extension + Valgus
65
Flexion of HRJ is coupled with | Osteokinematics
Flexion + Valgus or Varus
66
Extension + Valgus of HRJ Concave fovea of radius rolls & slides ____ on convex capitulum of humerus | Arthrokinematics
Concave fovea of radius rolls & slides **lateral** on convex capitulum of humerus
67
Flexion + Valgus of HRJ Concave fovea of radius rolls & slides ____ on convex capitulum of humerus | Arthrokinematics
Concave fovea of radius rolls & slides **lateral** on convex capitulum of humerus
68
Flexion + Varus of HRJ Concave fovea of radius rolls & slides ____ on convex capitulum of humerus | Arthrokinematics
Concave fovea of radius rolls & slides **medial** on convex capitulum of humerus
69
Proximal Radio-ulnar Joint is classified as what joint
Pivot
70
Proximal Radio-ulnar Joint degrees of freedom | Osteokinematics
**Horizontal:** Pronation/Supination
71
Proximal Radio-ulnar Joint function
facilitate forearm rotation
72
PRUJ close-pack position
5° supination
73
PRUJ open-pack position
70° flexion + 35° supination
74
Supination of PRUJ Convex radial head rolls ____-____ slide ____-____ on concave radial notch of ulna | Arthrokinematics
Convex radial head rolls **dorsal-lateral** slide **volar-medial** on concave radial notch of ulna
75
Pronation of PRUJ Convex radial head rolls ____-____ slide ____-____ on concave radial notch of ulna | Arthrokinematics
Convex radial head rolls **volar-medial** slide **dorsal-lateral** on concave radial notch of ulna
76
Distal Radio-ulnar Joint classified as what joint
Pivot
77
Distal Radio-ulnar Joint degrees of freedom | Osteokinematics
**Horizontal:** Pronation/Supination
78
Distal Radio-ulnar Joint Function
facilitate forearm rotation
79
DRUJ close-pack position
5° supination
80
DRUJ open-pack position
10° supination
81
Supination of DRUJ Concave ulnar notch of radius roll and slide ____ on convex head of radius | Arthrokinematics
Concave ulnar notch of radius roll and slide **dorsal** on convex head of radius
82
Pronation of DRUJ Concave ulnar notch of radius roll and slide ____ on convex head of radius | Arthrokinematics
Concave ulnar notch of radius roll and slide **palmar** on convex head of radius
83
Radiocarpal Joint is classified as what type of joint
Ellipsoid
84
Radiocarpal Joint degrees of freedom | Osteokinematics
**Frontal:** Ulnar/Radial Deviation **Sagittal:** Flexion/Extension
85
RCJ close-pack position
extension + radial deviation
86
RCJ open-pack position
neutral + slight radial deviation
87
Ulnar Deviation of RCJ Convex scaphoid, lunate, triquetrum rolls ____-____ and slides ____-____ on the concave radius | Arthrokinematics
Convex scaphoid, lunate, triquetrum rolls **ulnar-proximal** and slides **radial-distal** on the concave radius
88
Radial Deviation of RCJ Convex scaphoid, lunate, triquetrum rolls ____-____ and slides ____-____ on the concave radius | Arthrokinematics
Convex scaphoid, lunate, triquetrum rolls **radial-distal** and slides **ulnar-proximal** on the concave radius
89
Extension of RCJ Convex lunate rolls ____-____ and slides ____-____ on the concave radius | Arthrokinematics
Convex lunate rolls **dorsal-distal** and slides **palmar-proximal** on the concave radius
90
Flexion of RCJ Convex lunate rolls ____-____ and slides ____-____ on the concave radius | Arthrokinematics
Convex lunate rolls **palmar-proximal** and slides **dorsal-distal** on the concave radius
91
Midcarpal Joint is classified as what type or joint
intercalated segment (S-shape)
92
MCJ close-pack position
extension + ulnar deviation
93
MCJ open-pack position
neutral or slight flexion + ulnar deviation
94
Midcarpal Joint degrees of freedom | Osteokinematics
**Frontal:** Ulnar/Radial Deviation **Sagittal:** Flexion/Extension
95
Ulnar Deviation of MCJ Convex capitate rolls ____ & slides ____ on concave lunate & scaphoid | Arthrokinematics
Convex capitate rolls **ulnarly** & slides **radial** on concave lunate & scaphoid
96
Radial Deviation of MCJ Convex capitate rolls ____ & slides ____ on concave lunate & scaphoid | Arthrokinematics
Convex capitate rolls **radial** & slides **ulnarly** on concave lunate & scaphoid
97
Extension of MCJ Convex capitate rolls ____ & slides ____ on concave lunate | Arthrokinematics
Convex capitate rolls **dorsal** & slides **palmar** on concave lunate
98
Flexion of MCJ Convex capitate rolls ____ & slides ____ on concave lunate | Arthrokinematics
Convex capitate rolls **palmar** & slides **dorsal** on concave lunate
99
Carpometacarpal (Thumb) Joint is classified as what joint?
Saddle
100
Carpometacarpal (Thumb) Joint degrees of freedom | Osteokinematics
**Frontal:** Flexion/Extension **Sagittal:** Abduction/Adduction ## Footnote Also multiplanar: opposition/reposition
101
Carpometacarpal (Thumb) Joint Function Enhances ____ of human prehension through the ability to ____
Enhances **dexterity** of human prehension through the ability to **oppose**
102
CMC close-pack position
full opposition
103
CMC open-pack position
midway between ABD-ADD & FLX-EXT (anatomical position)
104
Flexion of CMC Joint Concave metacarpal roll & slide ____-____ on convex trapezium | Arthrokinematics
Concave metacarpal roll & slide **ulnar-distal** on convex trapezium
105
Extension of CMC Joint Concave metacarpal roll & slide ____-____ on convex trapezium | Arthrokinematics
Concave metacarpal roll & slide **radial-proximal** on convex trapezium
106
Abduction of CMC Joint Convex metacarpal roll ____-____ and slides ____-____ on concave trapezium | Arthrokinematics
Convex metacarpal roll **palmar-proximal** and slides **dorsal-distal** on concave trapezium
107
Adduction of CMC Joint Convex metacarpal roll ____-____ and slides ____-____ on concave trapezium | Arthrokinematics
Convex metacarpal roll **dorsal-distal** and slides **palmar-proximal** on concave trapezium
108
Opposition of CMC Joint ABD: Convex metacarpal rolls ____-____ slides ____-____ on concave trapezium Flx: Concave metacarpal roll and slide ____-____ on convex trapezium Med Rotation: Convex metacarpal spins ____ | Arthrokinematics ## Footnote Multiplanar
ABD: Convex metacarpal rolls **palmar-proximal** slides **dorsal-distal** on concave trapezium Flx: Concave metacarpal roll and slide **ulnar-distal** on convex trapezium Med Rotation: Convex metacarpal spins **medial**
109
Reposition of CMC Joint ADD: Convex metacarpal rolls ____-____ slides ____-____ on concave trapezium Ext: Concave metacarpal roll and slide ____-____ on convex trapezium Lat Rotation: Convex metacarpal spins ____ | Arthrokinematics ## Footnote Multiplanar
ADD: Convex metacarpal rolls **dorsal-distal** slides **palmar-proximal** on concave trapezium Ext: Concave metacarpal roll and slide **radial-proximal** on convex trapezium Lat Rotation: Convex metacarpal spins **lateral**
110
Metacarpophalangeal (Thumb) Joint is considered what type of joint
Hinge
111
Metacarpophalangeal (Thumb) Joint degrees of freedom | Osteokinematics
**Frontal:** Flexion/Extension
112
Metacarpophalangeal (Thumb) Joint Function Enhances ____ of human prehension through the ability to ____
Enhances **dexterity** of human prehension through the ability to **opppose**
113
Metacarpophalangeal (Thumb) Joint close-pack position
full extension
114
Metacarpophalangeal (Thumb) Joint open-pack position
slight flexion
115
Flexion of MCPJ Concave phalanx roll and slide ____ on convex proximal phalanx | Arthrokinematics
Concave phalanx roll and slide **ulnarly** on convex proximal phalanx
116
Extension of MCPJ Concave phalanx roll and slide ____ on convex proximal phalanx
Concave phalanx roll and slide **radially** on convex proximal phalanx
117
Interphalangeal (Thumb) Joint is considered what type of joint
Hinge
118
Interphalangeal (Thumb) Joint degrees of freedom
**Frontal:** Flexion/Extension
119
Interphalangeal (Thumb) Joint close-pack position
Full Extension
120
Interphalangeal (Thumb) Joint open-pack position
slight flexion
121
Flexion of IP Joint Concave phalanx roll and slide ____ on convex proximal phalanx | Arthrokinematics
Concave phalanx roll and slide **ulnarly** on convex proximal phalanx
122
Extension of IP Joint Concave phalanx roll and slide ____ on convex proximal phalanx | Arthrokinematics
Concave phalanx roll and slide **radially** on convex proximal phalanx
123
Scapulothoracic Junction is considered what type of joint
Pseudo joint
124
The entire shoulder complex functions as an intergrated unit ____ UE motion
The entire shoulder complex functions as an intergrated unite **maximizing** UE motion
125
Links the appendicular skeleton with the axial skeleton
Sternoclavicular joint
126
What joints arthrokinematics are not well defined
Acromioclavicular Joint
127
Motions of the Scapulothoracic Junction
* Elevation & depression * Upward & downward rotation * Protraction & retraction
128
The GH Joint relies on what subsystem of movement for stability
Active subsystem (force closure)
129
The design of the elbow & forearm adds to the ____ of the hand in space by ____ & ____ the upper extremity & by rotating the forearm
The design of the elbow & forearm adds to the **mobility** of the hand in space by **shortening** & **lengthening** the upper extremity & by rotating the forearm
130
What is the **oblique orientation** of the radial notch
Volar-medial to dorsal-lateral
131
Proximal row of carpal bones
* scaphoid * lunate * triquetrum * pisiform
132
Distal row of carpal bones
* trapezium * trapezoid * capitate * hamate
133
Contents of the capral tunnel
* Transverse carpal ligament * pisiform * hook of hamate * scaphoid tubercle * trapezium tubercle
134
* CV capitate & hamate * CC scaphoid, lunate & triquetrum
Medial compartment
135
* CV scaphoid * CC trapezium & trapezoid
Lateral compartment
136
Active abduction & adduction is very limited & therefore considered____ motions at the MCPJ & IP
Active abduction & adduction is very limited & therefore considered **accessory** motions at the MCPJ & IP

Functional Anatomy (17 decks)

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