Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Upper Limb > Shoulder & PSR > Flashcards

Shoulder & PSR Flashcards

1
Q

What is the pectoral girdle?

A

The set of bones which connects the arm to each side

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

What bones does the pectoral girdle consist of?

A

clavicle and scapula

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

What are the 3 angles of the scapula?

A

lateral, superior, inferior

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

What are the 3 borders of the scapula?

A

superior, lateral, medial

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

What are the 2 surfaces of the scapula?

A

costal, posterior

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

What are the 3 processes of the scapula?

A

acromion, spine, coracoid

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

What is the glenoid cavity?

A

a shallow comma shaped cavity which articulates with the head of the humerus to form the glenohumeral joint

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

What is the infraglenoid tubercule?

A

a large triangular shaped roughening inferior to the glenoid cavity; it is the site of attachment for the long head of the triceps brachii muscle

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

What is the supraglenoid tubercule?

A

Tubercule located superior to the glenoid cavity; it is the site of attachment for the long head of the biceps brachii muscle

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

What is the acromion?

A

An anterolateral projection of the spine; it arches over the glenohumeral joint and articulates, via a small oval facet, with the clavicle

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

What is the coracoid process?

A

A hook-like structure that projects anterolaterally and is positioned directly inferior to the lateral part of the clavicle

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

What does the proximal end of the humerus consist of?

A 
Head
Anatomical neck
Greater & lesser tubercules
Surgical neck
Superior half of the shaft of the humerus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the 3 facets of the greater tubercule (proximal humerus) and which muscles attach to them?

A 
Superior facet (supraspinatus)
Middle facet (infraspinatus)
Inferior facet (teres minor)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which muscle attaches to the lesser tubercule (proximal humerus)

A

subscapularis muscle

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

What seperates the greater and lesser tubercules?

A

Intertubebercular sulcus (bicipital groove)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What passs through the intertubecular sulcus?

A

The tendon of the long head of the biceps brachii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are the 3 joints of the shoulder complex?

A

Sternoclavicular
Acromioclavicular
Glenohumeral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Where does the sternoclavicular joint occur?

A

Between the proximal end of the clavicle and the clavicular notch of the manubrium of the sternum (with a small part of the 1st costal cartilage)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does the sternoclavicular joint allow?

A

Movement of the clavicle, in the anteroposterior and vertical planes (some rotation)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which 4 ligaments reinforce the sternoclavicular joint?

A

Anterior and posterior sternoclavicular ligaments
Interclavicular ligament
Costoclavicular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the acromioclavicular joint?

A

A small synovial joint between an oval facet on the medial surface of the acromion and a similar facet on the acromial end of the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What movement does the acromioclavicular joint allow?

A

Movement in the anteroposterior and vertical planes together with some axial rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which 2 ligaments reinforce the acromioclavicular joint?

A 
Acromioclavicular ligament
Coracoclavicular ligament (consists of anterior trapezoid and posterior conoid ligament)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the glenohumeral joint?

A

A synovial ball and socket articulation between the head of the humerus and the glenoid cavity of the scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
How is stability provided to the glenohumeral joint?
Rotator cuff muscles Long head of the biceps brachii muscle Related bony processes Extracapsular ligaments
26
What are the articular surfaces of the glenohumeral joint? | And what are they covered by?
Head of humerus & glenoid cavity of the scapula | Hyaline cartilage
27
What are the 2 most superficial muscles of the shoulder?
Trapezius | Deltoid
28
What does the trapezius attach?
It attaches the scapula and clavicle to the trunk
29
What does the deltoid attach?
It attaches the scapula and clavicle to the humerus
30
What is the origin of the trapezius?
Superior nuchal line, External occipital protuberance Medial margin of the ligamentum nuchae Spinous processes of CVII to TXII and related supraspinous ligaments
31
What is the insertion of the trapezius?
Superior edge of the spine of the scapula, acromion, posterior border of lateral 1/3 of clavicle
32
What is the function of the trapezius?
Powerful elevator of the scapula Rotates the scapula during abduction of humerus above horizontal Middle fibres retract scapula Lower fibres depress scapula
33
What is the origin of the deltoid?
Inferior edge of the crest of the spine of the scapula, lateral margin of the acromion Anterior border of lateral 1/3 of clavicle
34
Where is the insertion of the deltoid?
Deltoid tuberosity of humerus
35
What is the function of the deltoid?
Major abductor of the arm (abducts arm beyond initial 15 degrees done by supraspinous) Clavicular fibres assist in flexing arm Posterior fibres assist in extending arm
36
Where is the origin of the levator scapulae?
Transverse processes of CI and CII vertebrae and posterior tuberules of transverse of CIII and CIV vertebrae
37
Where is the insertion of the levator scapulae?
Posterior surface of medial border of scapula from superior angle to root of spine of the scapula
38
What is the function of the levator scapulae?
Elevates the scapula (duh)
39
Where is the origin of the rhomboid minor?
Lower end of ligamentum nuchae and spinous processes of CVII abd TI vertebrae
40
Where is the insertion of the rhomboid minor?
Posterior surface of medial border of scapula at the root of the spine of the scapula
41
What is the function of the rhomboid minor?
Elevates and retracts scapula
42
Where is the origin of the rhomboid major?
Spinous procesess of TII-TV vertebrae and intervening supraspinous ligaments
43
Where is the insertion of the rhomboid major?
Posterior surface of medial border of scapula from the root of the spine of the scapula to the inferior angle
44
What is the function of the rhomboid major?
Elevates and retracts the scapula
45
Which 4 muscles does the posterior scapular region contain?
``` Supraspinous Infraspinous Teres minor Teres Major (Also contains part of the long head of the triceps brachii) ```
46
Which 3 muscles are components of the rotator cuff muscles?
Supraspinous Infraspinous Teres minor
47
Where is the origin of the long head of triceps brachii?
Infraglenoid tubercule on scapula
48
Where is the insertion of the long head of triceps brachii?
Common tendon of insertion with medial and lateral heads on the olecranon process of ulna
49
What is the function of the long head of triceps brachii?
Extension of forearm at the elbow joint | Accessory adductor and extensor of the arm at the glenohumeral joint
50
What is the suprascapular foramen?
The route through which structures pass between the base of the neck and the posterior scapular region
51
What forms the suprascapular foramen?
Suprascapular notch | Superior transverse scapular (suprascapular) ligament
52
What passes through the suprascapular foramen?
The suprascapular nerve
53
List the boundaries of the quadrangular space (posterior)
Inferior margin of the teres minor Surgical neck of the humerus Superior margin of the teres major Lateral margin of the long head of the triceps brachii
54
What passes through the quadrangular space?
Axillary nerve | Posterior circumflex humeral artery and vein
55
What is the triangular space?
An area of communication between the axilla and the posterior scapular region
56
List the boundaries of the triangular space (posterior view)
medial margin of the long head of the triceps brachii Superior margin of the teres major Inferior margin if the teres minor
57
What passes through the triangular space?
Circumflex scapular artery and vein
58
List the boundaries of the triangular interval
Lateral margin of the long head of the triceps brachii Shaft of the humerus Inferior margin of the teres major
59
What passes through the triangular interval?
Radial nerve | Profunda brachii artery and associated veins
60
What are the two major nerves of the posterior scaapular region? And where do the originate from
Suprascapular & axillary nerves | Brachial plexus
61
What does the suprascapular nerve innervate?
Supraspinatus | Infraspinatus
62
Where does the suprascapular nerve originate?
Superior trunk of the brachial plexus | base of neck
63
Where does the axillary nerve originate?
Posterior cord of the brachial plexus
64
What does the axillary nerve innervate?
Deltoid and teres minor | Cutaneous branch carries general sensation from the skin over the inferior part of the deltoid muscle
65
List the 3 major arteries found in the posterior scapular region
Suprascapular Posterior circumflex humeral Circumflex scapular
66
Where is the origin of the suprascapular artery?
Base of neck; a branch off the thyrocervial trunk
67
Where is the origin of the posterior circumflex humeral artery?
Third part of the axillary artery in the axilla

Upper Limb (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions