Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy > Shoulder and Arm > Flashcards

Shoulder and Arm Flashcards

(90 cards)

Start Studying
1
Q

What is the correct anatomical position for the palms and thumb?

A

Palm is anterior
Thumb is the most lateral digit

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

What is the only bone connecting the upper limb with the rest of the skeleton?

A

The clavicle

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

What composes the pectoral girdle (shoulder girdle)?

A

Scapula + clavicle

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

What is an anterior dislocation?

A

Rupture of the anterior sternoclavicular ligament

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

What is a posterior dislocation?

A

Rupture of the posterior sternoclavicular ligament
*More serious
*Medial end of the clavicle may compress arteries

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

During a clavicle fracture what happens to the medial and lateral fragment?

A

Medial: lifted by the sternocleidomastoid muscle
Lateral: sags with upper limb

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

What is the range of motion at the sternoclavicular joint?

A
  1. rotate around its own longitudinal axis
  2. Clavicle can be raised up to 60 degrees
  3. Can move 30 degrees anteriorly or posteriorly during protraction and retraction of the scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the Acromioclavicular joint between?

A

The acromion and clavicle

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

What does the Acromioclavicular joint do

A

Supports entire weight of scapula and upper limb

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

What is a grade I or II Acromioclavicular joint dislocation

A

Only joint capsule affected (AC joint)

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

What is a grade II Acromioclavicular joint dislocation?

A

Coracoclavicular ligament is torn
*The shoulder falls away from the clavicle

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

What type of joint is the glenohumeral joint?

A

Ball-and-socket, synovial joint

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

What is a common fracture site of the humerus?

A

The surgical neck

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

What is the coracoclavicular ligament between?

A

Clavicle and coracoid process of the scapula

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

What does the coracoacromial arch do?

A

Resist superior movements of the humerus
*connects scapula to scapula
*acromion to Coracoid process

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

what are the rotator cuff muscles?

A

Subscapularis
Infraspinatus
Teres minor
Supraspinatus

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

What is the origin, insertion, and action of the Subscapularis muscle?

A

O: Subscapular Fossa of scapula
I: Lesser tubercle of Humerus
A: Medially rotates and adducts the Humerus

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

What is the origin, insertion, and action of the Infraspinatus muscle?

A

O: Infraspinous fossa of the scapula
I: Greater tubercle of humerus
A: Laterally rotates the humerus

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

What is the origin, insertion, and action of the teres minor muscle?

A

O: Lateral border of the scapula
I: greater tubercle of humerus
A: Laterally rotates the humerus

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

What is the origin, insertion, and action of the Supraspinatus muscle?

A

O: Supraspinous fossa of the scapula
I: Greater tubercle of humerus
A: Initiates abduction of humerus; stabilizes abducted arm

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

What is the Supraspinatus muscle deep to?

A

The trapezius and deltoid muscle

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

What is the infraspinatus, teres minor muscle deep to?

A

Infraspinous fascia

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

What do all four rotator cuff muscles do?

A

Stabilizing the glenohumeral joint
*Pulls the humeral head close to the glenoid fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the nerve and blood supply to the Supraspinatus and infraspinatus muscle?

A

Suprascapular nerve and artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What goes over the superior transverse scapular ligament
Suprascapular Artery (Army over the bridge)
26
What goes under the superior transverse scapular ligament?
Suprascapular Nerve (Navy under the bridge)
27
What is the nerve supply of the serratus anterior muscle?
Long thoracic nerve
28
What is the origin, insertion, and action of the deltoid muscle?
O: Lateral spine of the scapula, acromion, lateral clavicle I: Deltoid tuberosity of the humerus A: Abduction to shoulder height
29
What is the action of the clavicular part of the deltoid?
Flexes, medially rotates humerus
30
What is the action of the middle (acromion) part of the deltoid?
Abducts the humerus from 15 degrees to should height
31
What is the action of the spinal (posterior) part of the deltoid?
Extends, laterally rotates humerus
32
What is the groove between the pectoralis major and the deltoid?
Deltopectoral groove
33
What is the function of bursae?
Reduces friction between adjacent mobile structure (found deep to tendons)
34
What is the blood supply to the serratus anterior muscle?
Lateral thoracic Artery
35
What happens if the long thoracic nerve is damaged
Winged scapula
36
What is the Origin, Insertion, and action of the teres major muscle?
O: inferior angle of the scapula I: Anterior side of humerus A: abducts and medially rotates arm
37
What is the nerve supply of the teres major muscle?
Lower subscapular nerve
38
What are the borders of the triangular space?
Teres minor Teres major Long head of the tricep
39
What is in the triangular space?
Circumflex scapular artery
40
What are the border of the quadrangular space?
Teres minor (Top) Surgical neck of humerus (right side) Teres major (bottom) Long head of tricep (Left side)
41
What is in the quadrangular space
Axillary nerve Posterior Circumflex humeral artery
42
What is the nerve supply of the deltoid and teres minor/
Axillary nerve
43
What is the Origin, Insertion, and actions of the pectoralis major?
O: Clavicle, sternum, ribs I: Intertubercular sulcus A: Flexes extended arm (Clavicular head) A: Extend flexed arm (clavicular and sternocostal head)
44
What is the apex of the Axilla?
Lateral border of the first rib
45
What is the base of the axilla?
Skin and Axillary fascia
46
What is the medial boundary of the axilla?
Ribs and intercostal muscles, serratus anterior
47
What is the lateral boundary of the axilla?
Intertubercular sulcus of the humerus
48
What is the anterior boundary of the axilla?
Subclavius Pectoralis major and minor
49
What is the posterior boundary of the axilla?
Scapula Subscapularis Teres major Latissimus Dorsi
50
What does the anterior axillary fold contain?
Pectoralis major
51
What does the posterior axillary fold contain?
Latissimus Dorsi Teres Major
52
What does the axillary sheath contain?
Axillary artery Axillary vein Brachial plexus
53
When is the subclavian artery renamed?
Renamed the axillary artery at the lateral border of the first rib
54
When is the axillary artery renamed the brachial artery?
At the inferior border of the teres major
55
What is the Origin, insertion, and action of the Pectoralis minor muscle?
O: ribs 3-5 I: Coracoid process A: stabilizes the scapular by depressing and protracting it
56
What is segment 1 of the axillary artery?
Medial to pectoralis minor muscle *Superior thoracic artery
57
What is segment 2 of the axillary artery?
Deep to or near borders of pectoralis minor muscle *Thoracoacromial artery *Lateral thoracic artery
58
What is segment 3 of the axillary artery
Lateral to pectoralis minor muscle *Posterior circumflex humeral artery *subscapular artery *Anterior circumflex humeral artery
59
What are the branches of the subscapular artery?
Circumflex scapular artery Thoracodorsal artery
60
Which vein runs in the deltopectoral groove
Cephalic vein
61
What is the brachial plexus formed form?
Anterior Rami of c5-T1 spinal nerves
62
What is the function of the Anterior Division of the brachial plexus?
Carry axons that will pass to anterior (flexor) muscle compartments of arm and forearm
63
What is the function of the posterior division of the brachial plexus?
Carry axons that will pass to posterior (extensor) muscle compartments of arm and forearm
64
What is the nerve supply of the Pectoralis major muscle?
Lateral pectoral nerve Medial pectoral nerve
65
What is the nerve supply of the pectoralis minor muscle?
medial pectoral nerve
66
What does the humeroulnar articulation aid with?
Forearm flexion and extension
67
What does the proximal radioulnar articulation aid with?
supination and pronation
68
What does the humeroradial articulation aid with?
Forearm flexing and extension Supination and pronation
69
How does a child posture themselves within nurse maids elbow?
The forearm will be pronated and flexed
70
What is the source of pain for a nurse maids elbow?
Angular ligament *compressed between the radial head and the capitulum
71
Where is a subcutaneous olecranon bursa located?
Between bone and skin
72
What are the anterior compartment of the arm?
Coracobrachialis Biceps brachii Brachialis
73
What are the posterior compartment of the arm?
Triceps brachii Anconeus
74
What is the nerve supply of the anterior compartment of the arm?
Musculocutaneous nerve
75
What is the blood supply of the anterior compartment of the arm?
brachial artery
76
What is the nerve supply of the posterior compartment of the arm?
Radial nerve
77
What is the blood supply of the posterior compartment of the arm?
Deep artery of the arm
78
What is the origin and insertion of the biceps brachii?
Long head O: Supraglenoid tubercle of the scapula Short head O: Coracoid process of the scapula I: Radial tuberosity
79
What are the action of the biceps brachii?
Supination of the forearm Flexion of supinate forearm
80
How does the Popeye Deformity happen?
Bicep Tendon detached from supraglenoid tubercle and bicipital groove
81
What is the origin, insertion, and action of the coracobrachialis?
O: Coracoid process I: Medial side of Humerus A: flexes, abducts, and medially rotates the arm
82
What is the origin, insertion and action of the brachialis?
O: anterior side of the humerus I: Coronoid process and tuberosity of ulna A: Flexes the forearm
83
What is the origin, insertion, and action of the triceps brachii?
Long head: infra glenoid tubercle Lateral head: Shaft of humerus superior to radial groove Medial head: Shaft of humerus inferior to radial groove I: Olecranon A: extends the forearm
84
What does the deep tendon reflex test? (Triceps)
C7 spinal cord
85
What is the origin, insertion and action of the anconeus muscle?
O: lateral epicondyle of the humerus I: olecranon A: extends the forearm
86
What is the nerve supply of the subscapularis muscle
Upper subscapular nerve Lower subscapular nerve
87
What is the nerve supply of the teres major?
Lower subscapular nerve
88
Where do the axillary nerve & posterior circumflex humeral artery pass?
Exit through the space proximal to the teres major and Latissimus Dorsi
89
Where do the radial nerve & deep artery of the arm pass?
Distal to the teres major and Latissimus Dorsi
90
What can be felt through the medial inter muscular septum?
Brachial Artery

Anatomy (19 decks)

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