Scapula, Clavicle, Promixal Humerus Flashcards

1
Q

What classification of bone is the clavicle

A

Long bone

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2
Q

The medial end is also known as the

A

Sternal aspect

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3
Q

The lateral end is also known as the

A

Acromial extremity

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4
Q

Which end articulates with the part of the scapula

A

Lateral

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5
Q

Which end articulated with the manubrium

A

Medial

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6
Q

At what level is the clavicle (with reference to the ribs)?

A

First rib

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7
Q

Which classification of joint are sternoclavicular (sc) joints and acromioclavicular (ac) joints

A

Synovial

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8
Q

Which type of joint are SC and AC joints

A

Gliding
SC joint (double-gliding)

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9
Q

Which gender of adults (males or females) has more sharply curved clavicles

A

Males

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10
Q

Spine (crest of spine)

A

Large protrusion on dorsal surface

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11
Q

Acromion (mainly posterior)

A

Lateral extension of scapular spine
Terminal and lateral end of spine
Always superior & posterior to coracoid

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12
Q

Medial border (seen both a and p)

A

Runs from superior angle to inferior angle

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13
Q

Glenoid cavity (seen both posterior and anterior)

A

Large fossa on the lateral angle

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14
Q

Scapular notch (seen both anterior and posterior)

A

Deep depression on superior border
Middle of the superior border

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15
Q

Costal surface

A

Anterior aspect of the scapula

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16
Q

Inferior angle (seen both posterior and anterior)

A

The junction of the medial and superior borders

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17
Q

Superior angle (seen both posterior and anterior)

A

The junction of the medial and lateral borders

18
Q

Lateral border (seen both anterior and posterior)

A

Extends from the glenoid cavity to the inferior angle

19
Q

Superior border

A

Extends from the superior angle to the coracoid process

20
Q

Coracoid process (can be seen anterior and posterior)

A

Slender, finger like projection extending anteriorly and laterally from near the lateral angle
Inferior & anterior to acromin

21
Q

Subscapular fossa (anterior)

A

Inferior surface
Large depression on the anterior surface

22
Q

Supraspinous fossa (posterior)

A

Area above the scapular spine on dorsal surface

23
Q

Posterior Infraspinous fossa

A

Large, board area below the spine on dorsal surface

24
Q

Proximal Head (humerus)

A

Large, rounded eminence that articulates with the glenoid cavity
Supermedial aspect

25
Q

Scapula: land marks

A

Following landmarks can be seen either anterior or posterior surface
All angles/borders
Scapular notch
Acromin
Glenoid cavity
Coracoid process can only be seen on the anterior surface

26
Q

Surgical neck

A

(Most fractured)
Site of most humeral fractures
Constriction of the shaft inferior to tubercles

27
Q

Anatomic neck

A

Superior to surgical neck
Located where head joins the shaft
Narrow construction superior to tubercles

28
Q

Lesser tubercle

A

Boney process on the anterior surface of the shaft, inferior from the anatomic neck
Best seen when arm is internally rotated

29
Q

Greater tubercle

A

Lateral aspect
Inferior to anatomic neck
Larger and more superior than lesser
Best seen when hands are supinated
Bony process

30
Q

Intertubercular groove

A

Aka bicipital
Deep depression that separates the two tubercle

31
Q

What bone classification is the scapula

A

Flat

32
Q

How many surfaces, borders, and angles does a scapula have

A

Surface: 2
Borders: 3
Angles: 3

33
Q

Which surface of the scapula is the costal surface

A

Anterior

34
Q

Name the two fossae located on the posterior surface of the scapula

A

Supraspinous/infraspinous

35
Q

What structure separates the two fossae on the posterior surface of the scapula

A

Crest of the spine

36
Q

What is the name of the lateral end of the scapular spine

A

Acromin

37
Q

Where is the scapular north located

A

Lateral end of the superior border

38
Q

What is the most anterior bony projection of the scapula

A

Coracoid process

39
Q

What bone forms the anterior part of the scapula

A

Clavicle

40
Q

Small, synovial fluid-filed sacs that relieve pressure and reduce friction in tissue are called

A

Bursae