Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Gross Anatomy > Exam 2 Quiz 2 > Flashcards

Exam 2 Quiz 2 Flashcards

(107 cards)

Start Studying
1
Q

____ is the pivot bone (moves during pronation and supination)

A

Radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Radius articulates with

A

Ulna (distally)

Scaphoid and lunate (wrist joint)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cartilage found between distal end of ulna and carpal bones

A

Articular disc of the wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

____ is stabilizing bone of forearm

A

Ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

____ ossification centers for radius and ulna

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Primary center for ossification for radius and ulna

A

Shaft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

2 secondary centers for ossification for radius and ulna

A

Distal and proximal ends

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Order of ossification between radius and ulna

A

Distal radius
Proximal radius

Distal ulna
Proximal ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Fractures of radius and ulna due to

A

Severe or direct trauma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Fractures of radius/ulna may be ___

A

Comminuted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Colles Fracture

A

Fracture at distal end of radius

One of the most common fractures in adults

Esp. Women over 50 due to osteoporosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Colles Fracture occurs when

A

Fall on outstretched hand with forearm pronated and force of trauma moves through carpal bones to distal end of radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Clinical sign of Colles Fracture

A

Dinner fork deformity

Distal fragment displaced posteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

If normal articulation between radius and carpal bones not restored in Colles Fracture, may result in

A

Traumatic arthritis of wrist joint

Severe limitations of flexion and extension at wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Smith’s Fracture

A

Distal end of radius displaced anteriorly

Fall on back of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Order of ossification of carpal bones

A 
Capitate and hamate
Triquetral
Lunate
Trapezium, trapezoid, scaphoid
Pisiform
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

___ ossification centers in carpal bones

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

____ used to estimate age in children

A

Carpal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Sesamoid bones

A

Bones embedded in flexor tendons of hand

MC at MP joints of digits 1, 2, 5 and IP joint of digit 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Functions of sesamoid bones

A

Protect and stabilize tendon

Change angle of tendons as they pass to insertion (increase leverage)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Most commonly fractured carpal bone

A

Scaphoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Fractures of scaphoid result of

A

Fall on palm with hand hyperextended

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Tenderness and swelling of anatomical snuffbox indicates

A

Scaphoid fracture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Due to different blood supply in scaphoid, fracture may result in

A

Necrosis of proximal part of bone

Lead to degenerative arthritis at wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
____ may be damaged with fracture of hamate
Ulnar nerve
26
Boxer’s fracture
Fracture of 5th metacarpal Occurs when individual punches someone with closed fist
27
Digit 3 movement is always
Abduction
28
Pronator Teres Syndrome
Compression of the median nerve in proximal forearm
29
Causes of pronator Teres Syndrome
Direct trauma | Excessive pronation/supination
30
Weakness of ___ can cause ulnar deviation
Flexor Carpi radialis
31
Median nerve damage can result in
Pronator Teres Syndrome | Carpal tunnel syndrome
32
Ape Hand
Atrophy of thenar muscles with loss of opposition and/or weakness of other movements of first digit Due to median nerve damage
33
Motor test
Assess median nerve damage
34
Sensory test
Assess cutaneous sensation of tip of second digit to assess median nerve damage
35
Claw hand
Difficulty in making a fist due to ulnar nerve damage
36
Guyon Tunnel/ Canal Syndrome
Damage of ulnar nerve at wrist joint Loss of sensation in medial 1 1/2 digits
37
Cyclists/handlebar neuropathy
Develop Guyon Canal Syndrome due to bicycling with hands in hyperextended position
38
Tennis elbow | Lateral epicondylitis
Inflammation of common tendon of origin off lateral epicondyle of humerus due to repetitive use of superficial posterior forearm muscles
39
Inflammation or subluxation of ____ may also cause pain in lateral epicondyle
C5
40
Mallet/Baseball finger
Sudden, severe tension on one of long extensor tendons Distal IP joint forced into extreme flexion
41
DeQuervain’s Disease | Tenosynovitis Stenosans
Inflammation of tendons of abductor pollicis longus and extensor Pollicis Brevis within common fibrous sheath
42
DeQuervain’s most common in
Women
43
Clinical symptoms of | DeQuervain’s
Pain at lateral aspect of wrist | Pain radiating proximally and distally from that point
44
Pronator teres | Origin
Medial epicondyle/humerus | Coronoid process/ulna
45
Pronator teres | Insertion
Pronator ridge/radius
46
Pronator teres | Action
Pronation of forearm at proximal radioulnar joint | Assists in flexion of forearm
47
Pronator teres | Nerve supply
Median
48
Flexor Carpi radialis | Origin
Medial epicondyle/humerus
49
Flexor Carpi radialis | Insertion
Second metacarpal (small slip into 3rd)
50
Flexor Carpi radialis | Action
Equal prime mover for flexion at wrist joint | Abduction of hand
51
Flexor Carpi radialis | Nerve supply
Median
52
Palmaris longus | Origin
Medial epicondyle/humerus
53
Palmaris longus | Insertion
Palmer aponeurosis
54
Palmaris longus | Action
Weak flexion at wrist joint | Tightens palmer aponeurosis- helps with palmer grip
55
Palmaris longus | Nerve supply
Median
56
Flexor Carpi Ulnaris | Origin
Medial epicondyle/ humerus | Olecranon process/ulna
57
Flexor Carpi Ulnaris | Insertion
Pisiform Hamate 5th metacarpal
58
Flexor Carpi Ulnaris | Action
Equal prime mover for flexion at wrist joint | Adduction of hand
59
Flexor Carpi Ulnaris | Nerve supply
Ulnar
60
Flexor Digitorum Superficialis | Origin
Medial epicondyle/ humerus | Shaft/radius
61
Flexor Digitorum Superficialis | Insertion
Middle phalanges/ digits 2-5
62
Flexor Digitorum Superficialis | Action
Flexes proximal IP joints of digits 2-5 | Assists in flexion at the wrist joint
63
Flexor Digitorum Superficialis | Nerve supply
Median
64
Flexor Digitorum Profundus | Origin
Shaft/ulna | Interosseous membrane
65
Flexor Digitorum Profundus | Actions
Flexes distal IP joint of digits 2-5 | Flexes wrist joint
66
Flexor Digitorum Profundus | Insertion
Distal phalanges/ digits 2-5
67
Flexor Digitorum Profundus | Nerve supply
Median | Ulnar
68
Flexor pollicis longus | Origin
Shaft/radius | Interosseous membrane
69
Flexor pollicis longus | Insertion
Distal phalanx/digit 1
70
Flexor pollicis longus | Action
Flexes digit 1 at IP joint
71
Flexor Pollicis Longus | Nerve supply
Median
72
Pronator Quadratus | Origin
Distal anterior shaft/ulna
73
Pronator Quadratus | Insertion
Distal anterior shaft/radius
74
Pronator Quadratus | Action
Pronates forearm at distal radio-ulnar joint | Helps stabilize distal radio-ulnar joint
75
Pronator Quadratus | Nerve supply
Median
76
Brachioradialis | Origin
Lateral supracondylar ridge/ humerus
77
Brachioradialis | Insertion
Styloid process/radius
78
Brachioradialis | Action
Flexes forearm | Act either as pronator or supinator
79
Extensor Carpi Radialis Longus | Origin
Lateral epicondyle/humerus
80
Extensor Carpi Radialis Longus | Insertion
Second metacarpal
81
Extensor Carpi Radialis Brevis | Origin
Lateral epicondyle/humerus
82
Extensor Carpi Radialis Brevis | Insertion
3rd metacarpal
83
Extensor Carpi Radialis Brevis | Actions
Extends hand | Abducts hand
84
Extensor Digitorum Maximus | Origin
Lateral epicondyle/humerus
85
Extensor Digitorum Maximus | Insertion
Middle and distal phalanges of digits 2-5
86
Extensor Digitorum Maximus | Actions
Extends digits 2-5 | Extends hand at wrist joint
87
Extensor Digiti Minimi | Origin
Lateral epicondyle/humerus
88
Extensor Digiti Minimi | Insertion
Proximal phalanx/ digit 5
89
Extensor Digiti Minimi | Action
Extends digit 5
90
Extensor Carpi Ulnaris | Origin
Lateral epicondyle/ humerus | Shaft/ulna
91
Extensor Carpi Ulnaris | Insertion
5th metacarpal
92
Extensor Carpi Ulnaris | Action
Extends hand | Adducts hand
93
Supinator | Origin
Lateral epicondyle/ humerus | Supinator crest/ulna
94
Supinator | Insertion
Shaft/radius
95
Supinator action
Supinates forearm
96
Abductor pollicis longus | Origin
Shaft/ulna and radius | Interosseous membrane
97
Abductor Pollicis longus | Insertion
1st metacarpal
98
Abductor pollicis longus | Action
Abducts digit 1
99
Extensor Pollicis Brevis | Origin
Shaft/radius | Interosseous membrane
100
Extensor Pollicis Brevis | Insertion
Proximal phalanx/ digit 1
101
Extensor Pollicis Brevis | Action
Extends digit 1
102
Extensor pollicis longus | Origin
Shaft/ulna | Interosseous membrane
103
Extensor Pollicis Longus | Insertion
Distal phalanx/digit 1
104
Extensor Pollicis Longus | Action
Extends digit 1
105
Extensor Indicis | Origin
Shaft/ulna | Interosseous membrane
106
Extensor Indicis | Insertion
Proximal phalanx/ digit 2
107
Extensor Indicis | Action
Extends digit 2

Gross Anatomy (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions