Bones: Upper Limb and Pectoral Girdle Flashcards Preview

BM1 Anatomy: Michealmas > Bones: Upper Limb and Pectoral Girdle > Flashcards

Flashcards in Bones: Upper Limb and Pectoral Girdle Deck (34)
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1
Q

What does the head of the humerus articulate with?

A

The glenoid cavity

2
Q

Where is the greater tubercle found?

A

Lateral side of proximal humerus

3
Q

What bony projections are on either side of the distal end of the humerus?

A

Epichondyles

4
Q

What does that trochlea articulate with?

A

Ulna

5
Q

What does the capitulum articulate with?

A

Radius

6
Q

Where is the coranoid process?

A

Ulna

7
Q

What forms the most pointed process of the elbow?

A

Olecranon

8
Q

Where does the coranoid process of the ulna join?

A

Coranoid fossa

9
Q

What is the medial bone in the forearm?

A

Ulna

10
Q

What is the lateral bone in the forearm?

A

Radius

11
Q

What is between the radius and the ulna?

A

Interosseous membrane

12
Q

What projects from the posterior side of the ulnar head

A

Styloid process

13
Q

What does the scapula articulate with?

A

The clavicle and the humerus

14
Q

How many muscles attach to the scapula?

A

17

15
Q

Where does the costal surface of the scapula face?

A

The ribcage

16
Q

What is the depression on the costal surface of the scapula called?

A

Subscaular fossa

17
Q

Is the acromion or the coracoid process closer to the front of the body?

A

Coracoid process

18
Q

Name of area of scapula below the spine?

A

Infraspinous fossa

19
Q

Name of area of scapula above the spine?

A

Supraspinous fossa

20
Q

What does the medial end of the clavicle articulate with?

A

The manubrium of the sternum

21
Q

What does the shoulder girdle consist of?

A

clavicle and scapula

22
Q

What does the bone of the clavicle lack?

A

Marrow

23
Q

What accounts for the carrying angle?

A

the trochlea projects further at its medial border than at its lateral border which angles the forearm laterally with respect to the arm

24
Q

Where is the humerus commonly fractured?

A

at the surgical neck, below the anatomical head

25
Q

What does the radius articulate with?

A

humerus, scaphoid and lunate

26
Q

What is a Colles fracture?

A

when the radius is fractured by fall on an outstretched hand

27
Q

What does the ulna articulate with?

A

The humerus at the trochlear notch
The radius head at the radial notch
Not a part of the wrist joint

28
Q

What is the function of the olecranon?

A

locks extended elbow joint to prevent overextension

29
Q

How many metacarpals and phalanges are there?

A

19

30
Q

How many carpals are there?

A

8

31
Q

Which carpal is a sesamoid bone?

A

pisiform

32
Q

Which carpal is prone to fracture due to a fall on an outstretched hand?

A

scaphoid

33
Q

How many metacarpals are there?

A

5

34
Q

How many phalanges are there?

A

3 in each finger, 2 in thumb