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Gross Anatomy > Bones and Joints: Upper Extremity > Flashcards

Bones and Joints: Upper Extremity Flashcards

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1
Q

4 regions of the upper extremity

A

Shoulder Girdle
Arm
Forearm
Hand

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2
Q

Bones of the shoulder girdle

A

Clavicle

Scapula

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3
Q

Bone of the arm

A

Humerus

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4
Q

Bones of the forearm

A

Radius

Ulna

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5
Q

Bones of the Hands

A

Carpals
Metacarpals
Phalanges

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6
Q

Bones of the carpals

A

scaphoid, lunate,
triquetral, pisiform, trapezium, trapezoid,
capitate, and hamate

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7
Q

Joint of the clavicle and scapula

A

Acromioclavicular joint

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8
Q

A long, slender bone that lies horizontally across the root of the neck just beneath the skin.

A

Clavicle

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9
Q

Articulations of clavicle

A

Sternum

1st costal cartilage medially acromion process of the scapula laterally

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10
Q

2 ends of clavicle

A

Sternal and Acromial

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11
Q

Weakest point of the clavicle

A

junction of the middle and outer thirds

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12
Q

A flat triangular bone that lies on the posterior chest wall between the 2nd and 7th ribs.

A

Scapula

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13
Q

3 borders of the Scapula

A

Superior
Medial
Lateral

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14
Q

3 angles of the Scapula

A

Superior
Inferior
Lateral

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15
Q

Thickest angle of the scapula

A

Lateral bone

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16
Q

Spine of the scapula divides:

A

Infraspinous fossa

Supraspinous fossa

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17
Q

Forms the subcutaneous point of the shoulder; Articulates with the acromial end of the clavicle

A

Acromion

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18
Q

Articulates with the head of the humerus; Smaller than the head of the humerus; Shallow, concave, oval fossa

A

Glenoid cavity

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19
Q

Superior to the glenoid cavity; Attachment for the coracoclavicular ligament

A

Coracoid process

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20
Q

Junction of medial two thirds and lateral third of the
superior border; Where the superior border joins the base of
coracoid process

A

Suprascapular notch

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21
Q

Anterior surface of the scapula

A

Subscapular fossa

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22
Q

T or F. Fractures of the scapula require little treatment because muscles adequately splint the fragments

A

True

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23
Q

Paralysis of the trapezius muscle

A

Dropped shoulder

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24
Q

Paralysis of the serratus anterior muscle

A

Winged scapula

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25
Largest bone in the upper limb
Humerus
26
Articulations of the humerus
Scapula at the shoulder joint | Radius and Ulna at the elbow joint
27
Forms about one third of a sphere and articulates | with the glenoid cavity of the scapula
Head of the humerus
28
Most common site of fracture in Humerus
Shaft
29
Articulation with the head of the radius
Capitulum
30
Articulation with the trochlear notch of the ulna
Trochlea
31
Receives the head of the radius when the elbow is | flexed
Radial fossa
32
Receives coronoid process of the ulna when elbow | is flexed
Coronoid fossa
33
Receives the olecranon process of the ulna when | elbow joint is extended
Olecranon fossa
34
Lateral bone of the forearm
Radius
35
Articulations of the radius
Humerus (elbow joint) Scaphoid and lunate (wrist joint) Ulna (Distal radioulnar joint)
36
Attachment of the interosseous membrane that | binds the radius and ulna together.
Interosseous border
37
Articulates with the round head of the ulna; Inferior articular surface articulates with the scaphoid and lunate bones.
Ulnar notch
38
Grooved on its medial side by the tendon of the | extensor pollicis longus
Dorsal tubercle
39
Medial bone of the forearm
Ulna
40
Articulations of the ulna
Humerus (elbow joint) Head of the radius (proximal radioulnar joint) Radius (distal radioulnar joint)
41
Large; forms the prominence of the elbow
Olecranon process
42
Articulates with the trochlea of the humerus
Trochlear notch
43
The shaft of the ulna is fractured by a force applied from behind. There is a bowing forward of the ulnar shaft and an anterior dislocation of the radial head with rupture of the anular ligament.
Monteggia's fracture
44
The proximal third of the radius is fractured and the distal | end of the ulna is dislocated at the distal radioulnar joint.
Galeazzi's fracture
45
Fracture of the distal end of the radius resulting from a fall on the outstretched hand; Older than 50 yrs old; Dinner-fork deformity
Colles' Fracture
46
Fracture of the distal end of the radius and occurs from a | fall on the back of the hand.
Smith's fracture
47
Proximal row of the carpals
scaphoid, lunate, | triquetral, and pisiform bones
48
Distal row of the carpals
trapezium, trapezoid, | capitate, and hamate bones.
49
Strong membranous band that is attached the at the lateral | and medial edges of the carpals
Flexor retinaculum
50
Passage of the median nerve and the flexor tendons of the | fingers.
Carpal tunnerl
51
T or F. The bones of the hand are cartilaginous at birth.
T
52
T or F. The capitate begins to ossify during the third year, and the others begin to ossify at intervals thereafter until the 12th year, when all the bones are ossified.
F, ossify at first year
53
Parts of the metacarpals
Base Head Shaft
54
Which part of the metacarpals forms the knucles?
Head
55
Articulations of the metacarpals
Bases: distal row of the carpal bones Heads: proximal phalanges
56
Parts of phalanges
Head of proximal phalanx Head of middle phalanx Distal phalanx
57
Articulations of sternoclavicular joint
STERNAL END OF CLAVICLE, MANUBRIUM STERNI, 1ST COSTAL CARTILAGE
58
Articulations of acromioclavicular joint
ACROMION OF SCAPULA AND LATERAL END OF THE CLAVICLE
59
Articulations of the shoulder joint
HEAD OF THE HUMERUS AND GLENOID CAVITY OF THE SCAPULA
60
Articulations of the elbow joint
TROCHLEA AND CAPITULUM OF HUMERUS, TROCHLEAR NOTCH OF THE ULNA, HEAD OF THE RADIUS
61
Articulations of the wrist joint
``` DISTAL END OF THE RADIUS AND ARTICULAR DISC ABOVE, SCAPHOID, LUNATE AND TRIQUETRAL BONES ```
62
Type of joint: Sternoclavicular
Synovial: Double-plane
63
Type of joint: Acromioclavicular
Synovial: Plane
64
Type of joint: Shoulder
Synovial: Ball-and-socket
65
Type of joint: Elbow
Synovial: Hinge
66
Type of joint: Wrist
Synovial: Ellipsoid
67
Ligaments of the: Sternoclavicular joint
Stenoclavicular ligament
68
Ligaments of the: Acromioclavicular joint
SUPERIOR AND INFERIOR ACROMIOCLAVICULAR LIGAMENT
69
Ligaments of the: Shoulder joint
GLENOHUMERAL LIGAMENT, TRANSVERSE HUMERAL LIGAMENT, CORACOHUMERAL LIGAMENT
70
Ligaments of the: Elbow joint
LATERAL LIGAMENT AND | MEDIAL LIGAMENT
71
Ligaments of the: Wrist joint
ANTERIOR AND POSTERIOR LIGAMENT, MEDIAL LIGAMENT, LATERAL LIGAMENT
72
Nerve supply of the: Sternoclavicular joint
SUPRACLAVICULAR NERVE AND | SUBCLAVIUS MUSCLE NERVE
73
Nerve supply of the: Acromioclavicular joint
SUPRASCAPULAR NERVE
74
Nerve supply of the: Shoulder joint
AXILLARY AND | SUPRASCAPULAR NERVE
75
Nerve supply of the: Elbow joint
BRANCHES FROM THE MEDIAN, ULNAR, MUSCULOTANEOUS, AND RADIAL NERVES
76
Nerve supply of the: Wrist joint
ANTERIOR INTEROSSEUS NERVE AND DEEP BRANCH OF THE RADIAL NERVE

Gross Anatomy (20 decks)

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