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Anatomy > Pectoral Girdle and Upper limbs > Flashcards

Pectoral Girdle and Upper limbs Flashcards

1
Q

How many bones comprise the pectoral girdle and what are they

A

4, scapula and clavicles

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2
Q

Glenoid cavity

A

lateral shallow cavity of the shoulder joint where the humerus fits

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3
Q

What does clavicle mean

A

small key

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4
Q

What is the only direct connection between the pectoral girdle and the axial skeleton

A

the clavicle

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5
Q

Epaulettes

A

descended from ancient segments of armor designed to protect the easily broken clavicle

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6
Q

sternoclavicular joint

A

The articulation of the clavicle to the sternum

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7
Q

Acromioclavicular joint (A-C joint)

A

The articulation of the clavicle with the acromion

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8
Q

What does acromion mean

A

shoulder peak

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9
Q

Conoid tubercle

A

on the inferior surface of the later end of the clavicle

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10
Q

What does conoid mean

A

small cone swelling

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11
Q

scapula

A

broad flat triangular bone positioned on the posterior aspect of the rib cage overlying ribs 2-7

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12
Q

Spine of scapula

A

prominent diagonal bony ridge on the posterior surface of the scapula

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13
Q

supraspinous fossa

A

above the spine of the scapula

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14
Q

infraspinous fossa

A

below the spine of the scapula

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15
Q

Acromion

A

forms the bony tip of the shoulder

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16
Q

Coracoid

A

inferior to the acromion, helps to stabilize the anterior portion of the shoulder joint

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17
Q

subscapular fossa

A

anterior surface of the scapula

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18
Q

Subcapularis

A

large muscle that overlies the subscapular foss

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19
Q

Greater tubercle

A

on the humerus, is positioned laterally and helps form the rounded contour of the shoulder

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20
Q

lesser tubercle

A

smaller than the greater tubercle and located more medially

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21
Q

intertubercular groove

A

in between the two tubercles of the humerus

22
Q

anatomical neck

A

between the tubercles and the head of the humerus

23
Q

surgical neck

A

narrowing of the bone immediately distal to the tubercles

24
Q

Deltoid tuberosity

A

roughened area on the shaft of the humerus along its lateral mid region where the deltoid muscle attaches

25
Q

Capitulum

A

lateral rounded condyle that articulates with the radius

26
Q

What does capitulum mean

A

little head

27
Q

trochlea

A

the medial condyle that articulates with the ulna

28
Q

What does trochlea mean

A

pulley

29
Q

Ulnar nerve

A

nerve in the medial epicondyle of the humerus. often called the funny bone

30
Q

radial fossa

A

accommodates the head of the radius when the elbow is flexed

31
Q

Coronoid fossa

A

accommodates the coronoid process of the ulna

32
Q

Ulna

A

medial bone of the antebrachium

33
Q

Radius

A

lateral bone of the antebrachium

34
Q

What does radius mean

A

rod or spoke of wheel

35
Q

head of the radius

A

on the proximal end and articulates with the capitulum of the humerus

36
Q

Radial notch

A

on the proximal end of the ulna where the radius articulates with the ulna

37
Q

Radial tuberosity

A

proximal end of the radius where the biceps brachii muscle attaches

38
Q

styloid process of radius

A

lateral bump on the antebrachium that is confused for a wrist bone

39
Q

What does styloid mean

A

resembles a pillar or post

40
Q

Ulnar notch

A

on the distal end of the radius where he ulna articulates with the radius

41
Q

Trochlear notch

A

interlocks with the trochlea of the humerus to form a firm hinge joint

42
Q

Coronoid process

A

forms the anterior portion of the trochlear notch and fits into the coronoid fossa of the humerus

43
Q

Olecranon

A

forms the posterior portion of the trochlear notch and fits into the olecranon fossa of the humerus

44
Q

Head of ulna

A

on the distal end

45
Q

interosseous membranes

A

dense regular connective tissue between the ulna and radius; tibia and fibula

46
Q

median nerve

A

is damaged in crucifixion causing inward contraction of the thumb

47
Q

carpal bones

A

wrist bones. There are 8

48
Q

pollex

A

thumb

49
Q

A-C separation

A

dislocation of clavicle and acromion

50
Q

Lateral epicondylitis

A

(tennis elbow) strain on the muscles or tendons that attach to the lateral epicondyle

51
Q

Medial epicondylitis

A

repetitive stress is applied to the medial epicondyle

52
Q

Colles fracture

A

results on silver fork deformity

Anatomy (21 decks)

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