P. 405 - 410 Flashcards

0
Q

Lateral 1/3 of clavicle is…

A

Flat and concave anteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

The medial 2/3 of the shaft of clavicle are…

A

Convex anteriorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The clavicle functions(3)

A

Transmits shocks from the upper limb to the axial skeleton
Forms one of the boundaries of the cervicoaxiallary canal affording protection to the neurovascular bundle supplying the upper limb
Serves as a strut from which the scapula and free limb are suspended, keeping the limb away from thorax so that the arm has max rom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The clavicle has no _____ cavity.

A

Medullary (marrow)

It consists of spongy (Trabecular) bone and a shell of compact bone.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The scapula over lies which ribs?

A

2 - 7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Superolaterally, the scapula has a glenoid cavity, which….

A

Articulates with the head of the humerus at the glenohumeral joint. Serves as a socket for the head of the humerus. Smaller thn it doe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The intertubercular sulcus of the humerus separates?

A

The greater and lesser tubercles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Shaft of humerus has two prominent features…

A

Laterally is the deltoid tuberosity

Inferiorly is the radial groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Capitulum

A

Lateral articulation of the humerus with the radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Trachlea

A

Medial humeral articulation with the trochlear notch of ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The jugular notch is between?

A

The elevated eternal ends of the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Coronoid fossa

A

Receives the coronoid process of the ulna during full flexion of the elbow
Superior to trochlea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Posteriorly the olecranon fossa

A

Accommodates the olecranon of the ulna during extension of the elbow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Superiorly to the capitulum anteriorly, the shallow ______ fossa accommodates the edge of the head of the radius when he elbow is fully ____.

A

Radial fossa

Fully flexed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The stabilizing bone of the forearm?

A

Ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The proximal end of the ulna has two proximal projections..?

A

Olecranon posteriorly

And coronoid process anteriorly

16
Q

The ulna is separated from the carpals by….

A

by a fibrocartilaginous articular disc

17
Q

Head of the radius articulates medially with…

A

Radial notch of ulna

18
Q

The ulna ___ while the radius ____ as they pass distally.

A

Ulna thins out

Radius thickens

19
Q

Ulnar notch location

A

Located distally on the medial aspect of the radius.

20
Q

Lateral aspect of the radius terminates distally via….

A

Radial styloid process

21
Q

The ulna does not articulate directly with the carpal bones. It is separated from the carpals by a …

A

Fibrocartilaginous articular disc.

22
Q

Ulnar styloid process is smaller than the radial s.p.? True/false

A

True

23
Q

The proximal surfaces of the proximal row of these carpals articulate with the inferior end of _____ and the ____.

A

of the radius

articular disk of the wrist joint

24
Q

Deep to the pectoral fascia and the pec major is another fascial layer…

A

The clavipectoral fascia, which descends from the clavicle, enclosing the subclavius and then the pectoralis minor…

Becomes continuous inferiorly with the axillary fascia.