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Osteology > Upper Limb - Week 5 > Flashcards

Upper Limb - Week 5 Flashcards

1
Q

what skeletal group is the upper limb apart of?

A

appendicular skeleton

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2
Q

what comprises the pectoral girdle?

A

scapula and clavicle

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3
Q

humerus

A

arm

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4
Q

radius and ulna

A

forearm

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5
Q

how many carpals? how many metacarpals? how many phalanges?

A
  • 8 carpals
  • 5 metacarpals
  • 14 phalanges
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6
Q

what bones comprise the upper limbs?

A
  • scapula
  • clavicle
  • humerus
  • radius and ulna
  • 8 carpals
  • 5 metacarpals
  • 14 phalanges
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7
Q

what are the 4 rotator cuff muscles?

A
  • supraspinatus
  • infraspinatus
  • teres minor
  • subscapularis
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8
Q

label

A
  1. subscapularis
  2. supraspinatus
  3. teres minor
  4. infraspinatus
  5. supraspinatus
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9
Q

where does the subscapularis attach?

A

into the subscapular fossa

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10
Q

where do the supraspinatus, infraspinatus, and teres minor attach?

A

all attach to the scapular spine?

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11
Q

superior angle of scapula

A

vertebral border

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12
Q

inferior angle of scapula

A

vertebral border

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13
Q

glenoid fossa of scapula

A

lateral, teardrop, attaches to humeral head

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14
Q

coracoid process of scapula

A

forward and lateral

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15
Q

acromion process of scapula

A

end of the clavicle

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16
Q

scapular spine

A

originates from the vertebral border and terminates at the acromion end

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17
Q

supraspinous foramen

A
  • superior, lateral, and posterior
  • blood vessels and nerves
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18
Q

label

A
  1. attachment for pectoralis major
  2. attachment for deltoid
  3. acromial end
  4. attachment for trapezius
  5. sternal end
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19
Q

label

A
  1. rhomboid fossa/costal impression
  2. conoid tubercle
  3. trapezoid line/oblique line
  4. subclavian sulcus/groove
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20
Q

label

A
  1. coracoid process
  2. scapular notch
  3. superior border
  4. superior angle
  5. vertebral border
  6. inferior angle
  7. lateral/auxiliary border
  8. subscapular fossa
  9. glenoid fossa
  10. acromion process
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21
Q

label

A
  1. acromion process
  2. glenoid fossa
  3. infraspinous fossa
  4. lateral/auxiliary border
  5. scapular spine
  6. supraspinous fossa
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22
Q

label

A
  1. coracoid process
  2. supraglenoid tubercle
  3. infraglenoid tubercle
  4. lateral/auxiliary border
  5. glenoid fossa
  6. acromion process
23
Q

label

A
  1. coracoid process
  2. glenoid fossa
  3. acromion process
  4. scapular spine
  5. supraspinous fossa
  6. scapular notch
    circled = supraspinous fossa
24
Q

how many synovial joints does the shoulder have? label?

A
  1. clavicle
  2. rotator cuff muscles
  3. labrum
  4. glenoid fossa
  5. humerus
  6. articular cartilage
  7. capsular ligaments
  8. acromion
  9. synovial membrane
25
Q

how is the clavicle formed?

A

endochondral and intramembranous ossification
- modified skull bone

26
Q

what are the bone marking from on the clavicle?

27
Q

round end of the clavicle

A

medial and articulates with the sternum

28
Q

flat end of the clavicle

A

distal and articulates with the scapula

29
Q

conoid tubercle on clavicle

A

posterior, lateral, and inferior
holds the conoid ligament

30
Q

deltoid

A

anterior and lateral

31
Q

oblique line

A

trapezoid ligament

32
Q

what is another name for the humerus?

33
Q

what is another name for the radius and ulna?

A

antebrachium

34
Q

how many joints are in the elbow?

35
Q

humeroradial joint

A

capitulum and radial head

36
Q

humeroulnar joint

A

trochlea and trochlear notch

37
Q

proximal radioulnar joint

A

radial head and ulnar radial notch

38
Q

label

A
  1. humeral head
  2. lesser tubercle
  3. crest of the lesser tubercle
  4. bicipital groove
  5. crest of the greater tubercle
  6. greater tubercle
39
Q

attachments to the humeral head

A

glenoid articulation

40
Q

attachments to the lesser tubercle

A

insertion for the subscapularis

41
Q

attachments to the crest of the lesser tubercle

A

insertion for the teres major

42
Q

attachments to the deltoid tuberosity

A

insertion for deltoid
not well defined in humans

43
Q

attachments to the bicipital groove

A

tendon of long head of biceps brachii
crests of tubercles are defined here

44
Q

attachments to the crest of the greater tubercle

A

insertion for pectoralis major

45
Q

attachments to the greater tubercle

A

insertion for teres minor, infraspinatus and supraspinatus

46
Q

label

A
  1. nutrient foramen
  2. medial supracondylar ridge
  3. coronoid fossa
  4. medial epicondyle
  5. trochlea
  6. capitulum
  7. lateral epicondyle
  8. lateral supracondylar ridge
47
Q

nutrient foramen

A

passage for blood vessels
supplies nutrients to bone marrow

48
Q

attachments to the medial epicondyle

A

attachment for forearm flexors and pronator teres

49
Q

attachments to the trochlea

A

articulation for ulna

50
Q

attachments to the capitulum

A

articulation for radius
always lateral

51
Q

attachments to the lateral epicondyle

A

attachment for forearm extensors and supinators

52
Q

label

A
  1. lateral epicondyle
  2. trochlea
  3. olecrannon fossa
  4. medial epicondyle
53
Q

pectoralis major

A

abduction for shoulder, medial and lateral rotation

54
Q

what is not visible in the posterior view of the humerus?

A

capitulum and nutrient fossa

Osteology (11 decks)

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