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DPT 7015 Clinical Anatomy > Quiz 5: Upper Extremity > Flashcards

Quiz 5: Upper Extremity Flashcards

(143 cards)

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1
Q

Biceps brachii long head origin

A

supraglenoid tubercle of scapula

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2
Q

Biceps brachii long head insertion

A

radial tuberosity and bicipital aponeurosis

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3
Q

Biceps brachii long head action

A

Elbow joint: flexion; supination

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4
Q

Biceps brachii short head origin

A

coracoid process of scapula

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5
Q

Biceps brachii short head insertion

A

radial tuberosity and bicipital aponeurosis

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6
Q

Biceps brachii short head action

A

Shoulder joint: flexion; stabilization of humeral head during deltoid contraction; abduction and internal rotation of humerus

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7
Q

Brachialis origin

A

Humerus (distal half of anterior surface)

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8
Q

Brachialis insertion

A

Ulnar tuberosity and bicipital tuberosity

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9
Q

Brachialis action

A

Flexion at elbow joint

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10
Q

Coracobrachialis origin

A

Scapula (coracoid process)

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11
Q

Coracobrachialis insertion

A

Humerus (in line with crest of lesser tubercle)

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12
Q

Coracobrachialis action

A

Flexion, adduction, internal rotation

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13
Q

Triceps brachii long head origin

A

Scapula (infraglenoid tubercle)

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14
Q

Triceps brachii medial head origin

A

Posterior humerus, distal to radial groove; medial intermuscular septum

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15
Q

Triceps brachii lateral head origin

A

posterior humerus, proximal to radial groove; lateral intermuscular septum

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16
Q

Triceps brachii insertion

A

olecranon of ulna

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17
Q

Triceps brachii action

A

Elbow joint: extension - shoulder joint, long head: extension and adduciton

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18
Q

Anconeus origin

A

Lateral epicondyle of humerus (variance: posterior joint capsule)

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19
Q

Anconeus insertion

A

olecranon process of ulna (radial surface)

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20
Q

Anconeus action

A

Extends elbow and tightens its joint

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21
Q

Extensor digitorum origin

A

Common head (lateral epicondyle of humerus)

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22
Q

Extensor digitorum insertion

A

Dorsal digital expansion of 2nd to 5th digits

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23
Q

Extensor digitorum action

A

Wrist: extension - MCP, PIP, and DIP of 2nd to 5th digits: extension/abduction of fingers

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24
Q

Extensor digiti minimi origin

A

Common head (lateral epicondyle of humerus)

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25
extensor digiti minimi insertion
dorsal digital expansion of 5th digit
26
Extensor digiti minimi action
Wrist: extension, ulnar abduction of hand MCP, PIP, and DIP of 5th digit: extension and abduction of 5th digit
27
Extensor carpi ulnaris origin
Common head (lateral epicondyle of humerus) - ulnar head (dorsal surface)
28
Extensor carpi ulnaris insertion
Base of 5th metacarpal
29
Extensor carpi ulnaris action
Wrist: extension, adduction (ulnar deviation) of hand
30
Supinator origin
Olecranon, lateral epicondyle of humerus, radial collateral ligament, annular ligament of radius
31
Supinator insertion
Radius (between radial tuberosity and insertion of pronation teres)
32
Supinator action
Radioulnar joints: supination
33
Abductor Pollicis Longus origin
Radius and ulna (dorsal surface, interosseous membrane)
34
abductor pollicis Longus insertion
Base of 1st metacarpal
35
Abductor pollicis Longus action
Radiocarpal joint: abduction of the hand - carpometacarpal joint of thumb: abduction
36
Extensor pollicis brevis origin
Radius (posterior surface) and interosseous membrane
36
Extensor pollicis brevis insertion
Base of distal phalanx of thumb
37
Extensor pollicis brevis action
Radiocarpal joint: abduction (radial deviation) of hand - carpometacarpal and MCP of thumb: extension
38
Extensor pollicis Longus origin
ulna and interosseus membrane
39
Extensor pollicis Longus insertion
Base of distal phalanx of thumb
40
Extensor pollicis Longus action
Wrist: extension and abduction (radial deviation) of hand - carpometacarpal of thumb: addiction - MCP and IP of thumb: extension
41
Extensor indices origin
Ulna (posterior surface) and interosseous membrane
42
Extensor indices insertion
posterior digital expansion of 2nd digit
43
Extensor indices action
Wrist: extension - MCP, PIP, and DIP of 2nd digit: extension
44
Brachioradialis origin
Distal humerus (distal surface), lateral intermuscular septum
45
Brachioradialis insertion
Styloid process of the radius
46
Brachioradialis action
Elbow: flexion - Forearm: semipronation
47
Extensor carpi radialis Longus origin
Lateral supracondylar ridge of distal humerus, later intermuscular septum
48
Extensor carpi radialis longus insertion
2nd metacarpal (base)
49
Extensor carpi radialis Longus action
Elbow: weak flexion - wrist: extension and abduction
50
Extensor carpi radialis brevis origin
Lateral epicondyle of humerus
51
Extensor carpi radialis brevis insertion
3rd metacarpal (base)
52
Extensor carpi radialis brevis action
Elbow: weak flexion - Wrist: extension and abduction
53
Pronator teres origin
humeral head: medial epicondyle of humerus | ulnar head: coronoid process
54
Pronator teres insertion
Lateral radius (distal to Supinator insertion)
55
Pronator teres action
Elbow: weak flexor forearm: pronation
56
Flexor carpi radialis origin
Medial epicondyle of humerus
57
Flexor carpi radialis insertion
Base of 2nd metacarpal (variance: base of 3rd metacarpal)
58
Flexor carpi radialis action
Wrist: flexion and abduction (radial deviation) of hand
59
Palmaris Longus origin
Medial epicondyle of humerus
60
Palmaris Longus insertion
Palmar aponeurosis
61
Palmaris Longus action
Elbow: weak flexion Wrist: flexion tightens palmar aponeurosis
62
Flexor carpi ulnaris origin
Humeral head: medial epicondyle | ulnar head: olecranon
63
Flexor carpi ulnaris insertion
Pisiform, hook of hamate; base of 5th metacarpal
64
Flexor carpi ulnaris action
Wrist: flexion and adduction (ulnar deviation) of hand
65
Flexor digitorum superficialis origin
Humeral-ulnar head: medial epicondyle of humerus | radial head: upper half of anterior border of radius
66
Flexor digitorum superficialis insertion
Sides of middle phalanges of 2nd to 5th digits
67
Flexor digitorum superficialis action
Elbow: weak flexor | wrist, MCP, and PIP joints of 2nd to 5th digits: flexion
68
Flexor digitorum profundus origin
Ulna (2/3 of flexor surface) and interosseous membrane
69
Flexor digitorum profundus insertion
Distal phalanges of 2nd to 5th digits (palmar surface)
70
Flexor digitorum profundus action
wrist, MCP, PIP, and DIP of 2nd to 5th digits: flexion
71
Flexor pollicis Longus origin
Radius (midanterior surface) and adjacent interosseous membrane
72
Flexor pollicis Longus insertion
Distal phalanx of thumb (palmar surface)
73
Flexor pollicis longus action
Wrist: flexion and abduction (radial deviation) of hand carpometacarpal of thumb: flexion MCP and IP of thumb: flexion
74
Pronator quadratus origin
Distal quarter of unla (anterior surface)
75
Pronator quadratus insertion
distal quarter of radius (anterior surface)
76
pronator quadratus action
Hand: pronation | distal radioulnar joint: stabilization
77
Lumbricals (1st and 2nd) origin
Tendons of flexor digitorum profundus (radial sides)
78
Lumbricals (1st and 2nd) origin
Tendons of flexor digitorum profundus (radial sides)
79
Lumbricals (1st) insertion
2nd digit (dde)
80
Lumbricals (2nd) insertion
3rd digit (dde)
81
Lumbricals (3rd and 4th) origin
Tendons of flexor digitorum profundus (Bipennate from medial and lateral sides)
82
Lumbraicals (3rd) insertion
4th digit (dde)
83
Lumbraicals (4th) insertion
5th digit (dde)
84
Lumbricals action
2nd to 5th digits: MCP joints: flexion Proximal and distal IP joints: extension
85
Dorsal interossei (1st) origin
1st and 2nd metacarpals (adjacent sides, two heads)
86
Dorsal interossei (1st) insertion
``` 2nd digit (dde) 2nd proximal phalanx (radial side) ```
87
Dorsal interossei (2nd) origin
2nd and 3rd metacarpals (adjacent sides, two heads)
88
Dorsal interossei (2nd) insertion
``` 3rd digit (dde) 3rd proximal phalanx (radial side) ```
89
Dorsal interossei (3rd) origin
3rd and 4th metacarpals (adjacent sides, two heads)
90
Dorsal interossei (3rd) insertion
``` 3rd digit (dde) 3rd proximal phalanx (ulnar side) ```
91
Dorsal interossei (4th) origin
4th and 5th metacarpals (adjacent sides, two heads)
92
Dorsal interossei (4th) insertion
``` 4th digit (dde) 4th proximal phalanx (ulnar side) ```
93
Dorsal interossei action
2nd to 4th digits: MCP joints: flexion proximal and distal IP joints: extension and abduction from 3rd digit
94
Palmar interossei (1st) origin
2nd metacarpal (ulnar side)
95
Palmar interossei (1st) insertion
``` 2nd digit (dde) 2nd proximal phalanx (base) ```
96
Palmar interossei (2nd) origin
4th metacarpal (radial side)
97
Palmar interossei (2nd) insertion
``` 4th digit (dde) 4th proximal phalanx (base) ```
98
Palmar interossei (3rd) origin
5th metacarpal (radial side)
99
Palmar interossei action
2nd, 4th, and 5th digits: MCP joints: flexion proximal and distal IP joints: extension and adduciton toward 3rd digit
100
Opponens digiti minimi origin
Hook of hamate, flexor retinaculum
101
Opponens digiti minimi insertion
5th metacarpal (ulnar border)
102
Opponens digiti minimi action
Draws metacarpal in palmar direction (opposition)
103
Flexor digiti minimi brevis origin
Hook of hamate, flexor retinaculum
104
Flexor digiti minimi brevis insertion
5th proximal phalanx (base)
105
flexor digiti minimi brevis action
MCP joint of little finger: flexion
106
Abductor digiti minimi origin
Pisiform bone
107
Abductor digiti minimi insertion
5th proximal phalanx (ulnar base) and dorsal digital expansion of 5th digit
108
Abductor digiti minimi action
MCP joint to little finger: flexion and abduction of little finger PIP and DIP joints of little finger: extension
109
Palmaris brevis origin
Palmar aponeurosis (ulnar border)
110
Palmaris brevis insertion
Skin of hypothecated eminence
111
Palmaris brevis action
Tightens the palmar aponeurosis (protective function)
112
Adductor pollicis origin
Transverse head: 3rd metacarpal (palmar surface) | oblique head: capitate bone, 2nd and 3rd metacarpals (bases)
113
Adductor pollicis insertion
thumb (base of proximal phalanx) via ulnar sesamoid
114
Adductor pollicis action
CMC joint of thumb: adduction | MCP joint of thumb: flexion
115
Abductor pollicis brevis origin
scaphoid bone and trapezium, flexor retinaculum
116
Abductor pollicis brevis insertion
thumb (base of proximal phalanx) via radial sesamoid
117
Abductor pollicis brevis action
CMC joint of thumb: abduction
118
Flexor pollicis brevis origin
Superficial head: flexor retinaculum | deep head: capitate bone, trapezium
119
Flexor pollicis brevis insertion
thumb (base of proximal phalanx) via radial sesamoid
120
Flexor pollicis brevis action
CMC joint of thumb: flexion
121
Opponens pollicis origin
trapezium
122
Opponens pollicis insertion
1st metacarpal bone (radial border)
123
Opponens pollicis action
CMC joint of thumb: opposition
124
Teres major origin **
Scapula (inferior angle)
125
Teres major insertion **
crest of lesser tubercle of the humerus (anterior angle)
126
Teres major action **
internal rotation, adduction, extension
127
Deltoid origin
Clavicular portion: lateral 1/3 of clavicle acromial portion: acromion spinal portion: scapular spine
128
Deltoid insertion
humerus (deltoid tuberosity)
129
Deltoid action
Clavicular part: flexion, internal rotation, adduction acromial part: abduction Spinal part: extension, external rotation, adduction
130
Supraspinatus origin
supraspinous fossa of scapula
131
Supraspintus insertion
Humerus (greater tubercle)
132
Supraspinatus action
Abduction
133
Infraspinatus origin
infraspinous fossa of scapula
134
Infraspinatus insertion
greater tubercle of humerus
135
Infraspinatus action
External rotation
136
Teres minor origin
lateral border of scapula
137
Teres minor insertion
greater tubercle of humerus
138
Teres minor action
External rotation, weak adduction
139
Teres minor action
External rotation, weak adduction
140
Subscapularis origin
subscapular fossa of scapula
141
Subscapularis insertion
lesser tubercle of humerus
142
subscapularis action
Internal rotation

DPT 7015 Clinical Anatomy (9 decks)

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