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Gross Anatomy > Bones and Joints: Upper Extremity > Flashcards

Bones and Joints: Upper Extremity Flashcards

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
Q

Largest bone in the upper limb

A

Humerus

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26
Q

Articulations of the humerus

A

Scapula at the shoulder joint

Radius and Ulna at the elbow joint

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27
Q

Forms about one third of a sphere and articulates

with the glenoid cavity of the scapula

A

Head of the humerus

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28
Q

Most common site of fracture in Humerus

A

Shaft

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29
Q

Articulation with the head of the radius

A

Capitulum

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30
Q

Articulation with the trochlear notch of the ulna

A

Trochlea

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31
Q

Receives the head of the radius when the elbow is

flexed

A

Radial fossa

32
Q

Receives coronoid process of the ulna when elbow

is flexed

A

Coronoid fossa

33
Q

Receives the olecranon process of the ulna when

elbow joint is extended

A

Olecranon fossa

34
Q

Lateral bone of the forearm

35
Q

Articulations of the radius

A

Humerus (elbow joint)
Scaphoid and lunate (wrist joint)
Ulna (Distal radioulnar joint)

36
Q

Attachment of the interosseous membrane that

binds the radius and ulna together.

A

Interosseous border

37
Q

Articulates with the round head of the ulna; Inferior articular surface articulates with the
scaphoid and lunate bones.

A

Ulnar notch

38
Q

Grooved on its medial side by the tendon of the

extensor pollicis longus

A

Dorsal tubercle

39
Q

Medial bone of the forearm

40
Q

Articulations of the ulna

A

Humerus (elbow joint)
Head of the radius (proximal radioulnar joint)
Radius (distal radioulnar joint)

41
Q

Large; forms the prominence of the elbow

A

Olecranon process

42
Q

Articulates with the trochlea of the humerus

A

Trochlear notch

43
Q

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.

A

Monteggia’s fracture

44
Q

The proximal third of the radius is fractured and the distal

end of the ulna is dislocated at the distal radioulnar joint.

A

Galeazzi’s fracture

45
Q

Fracture of the distal end of the radius resulting from a fall
on the outstretched hand; Older than 50 yrs old; Dinner-fork deformity

A

Colles’ Fracture

46
Q

Fracture of the distal end of the radius and occurs from a

fall on the back of the hand.

A

Smith’s fracture

47
Q

Proximal row of the carpals

A

scaphoid, lunate,

triquetral, and pisiform bones

48
Q

Distal row of the carpals

A

trapezium, trapezoid,

capitate, and hamate bones.

49
Q

Strong membranous band that is attached the at the lateral

and medial edges of the carpals

A

Flexor retinaculum

50
Q

Passage of the median nerve and the flexor tendons of the

fingers.

A

Carpal tunnerl

51
Q

T or F. The bones of the hand are cartilaginous at birth.

52
Q

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.

A

F, ossify at first year

53
Q

Parts of the metacarpals

A

Base
Head
Shaft

54
Q

Which part of the metacarpals forms the knucles?

55
Q

Articulations of the metacarpals

A

Bases: distal row of the carpal bones
Heads: proximal phalanges

56
Q

Parts of phalanges

A

Head of proximal phalanx
Head of middle phalanx
Distal phalanx

57
Q

Articulations of sternoclavicular joint

A

STERNAL END OF CLAVICLE,
MANUBRIUM STERNI, 1ST
COSTAL CARTILAGE

58
Q

Articulations of acromioclavicular joint

A

ACROMION OF SCAPULA
AND LATERAL END OF THE
CLAVICLE

59
Q

Articulations of the shoulder joint

A

HEAD OF THE HUMERUS AND GLENOID CAVITY OF THE SCAPULA

60
Q

Articulations of the elbow joint

A

TROCHLEA AND CAPITULUM
OF HUMERUS, TROCHLEAR
NOTCH OF THE ULNA, HEAD
OF THE RADIUS

61
Q

Articulations of the wrist joint

A 
DISTAL END OF THE
RADIUS AND ARTICULAR
DISC ABOVE,
SCAPHOID, LUNATE AND
TRIQUETRAL BONES
62
Q

Type of joint: Sternoclavicular

A

Synovial: Double-plane

63
Q

Type of joint: Acromioclavicular

A

Synovial: Plane

64
Q

Type of joint: Shoulder

A

Synovial: Ball-and-socket

65
Q

Type of joint: Elbow

A

Synovial: Hinge

66
Q

Type of joint: Wrist

A

Synovial: Ellipsoid

67
Q

Ligaments of the: Sternoclavicular joint

A

Stenoclavicular ligament

68
Q

Ligaments of the: Acromioclavicular joint

A

SUPERIOR AND INFERIOR
ACROMIOCLAVICULAR
LIGAMENT

69
Q

Ligaments of the: Shoulder joint

A

GLENOHUMERAL LIGAMENT,
TRANSVERSE HUMERAL
LIGAMENT, CORACOHUMERAL
LIGAMENT

70
Q

Ligaments of the: Elbow joint

A

LATERAL LIGAMENT AND

MEDIAL LIGAMENT

71
Q

Ligaments of the: Wrist joint

A

ANTERIOR AND
POSTERIOR LIGAMENT,
MEDIAL LIGAMENT,
LATERAL LIGAMENT

72
Q

Nerve supply of the: Sternoclavicular joint

A

SUPRACLAVICULAR NERVE AND

SUBCLAVIUS MUSCLE NERVE

73
Q

Nerve supply of the: Acromioclavicular joint

A

SUPRASCAPULAR NERVE

74
Q

Nerve supply of the: Shoulder joint

A

AXILLARY AND

SUPRASCAPULAR NERVE

75
Q

Nerve supply of the: Elbow joint

A

BRANCHES FROM THE
MEDIAN, ULNAR,
MUSCULOTANEOUS, AND
RADIAL NERVES

76
Q

Nerve supply of the: Wrist joint

A

ANTERIOR
INTEROSSEUS NERVE
AND DEEP BRANCH OF
THE RADIAL NERVE

Gross Anatomy (20 decks)

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