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Lab 3 Flashcards

(59 cards)

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1
Q

Origin of Biceps Brachii (heads)

A
  • Short head – Coracoid process
  • Long head – Supraglenoid tubercle
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2
Q

Insertion of Biceps Brachii

A

Tendon – Radial tuberosity
Bicipital aponeurosis – Antebrachial fascia (medial side)

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3
Q

Actions of Biceps Brachii

A

Both heads:
- Supination of forearm
- Flexion of elbow
Short head:
- Also: Flexion of shoulder

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4
Q

Nerve Supply of Biceps Brachii

A

Musculocutaneous nerve

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5
Q

OIAN of Biceps Brachii

A

Origin:
- Short head – Coracoid process
- Long head – Supraglenoid tubercle

Insertion:
- Tendon – Radial tuberosity
- Bicipital aponeurosis – Antebrachial fascia (medial side)

Action:
Both heads:
- Supination of forearm
- Flexion of elbow
Short head:
- Also: Flexion of shoulder

Nerve Supply: - Musculocutaneous nerve

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6
Q

Origin of Coracobrachialis

A

Coracoid Process

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7
Q

Insertion of Coracobrachialis

A

Middle of medial humerus

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8
Q

Action of Coracobrachialis

A

Flexion of shoulder
adduction of shoulder

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9
Q

Nerve supply of Coracobrachialis

A

Musculocutaneous nerve

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10
Q

OIAN of Coracobrachialis

A

Origin: - Coracoid Process
Insertion: - Middle of medial humerus
Action:
- Flexion of shoulder
- Adduction of shoulder
Nerve Supply: - Musculocutaneous nerve

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11
Q

Origin of Brachialis

A

Distal Anterior Humerus

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12
Q

Insertion of Brachialis

A

Ulnar Tuberosity, coronoid process

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13
Q

Action of Brachialis

A

Flexion of elbow

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14
Q

Nerve supply of Brachialis

A

Musculocutaneous nerve

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15
Q

OIAN of brachialis

A

Origin: - Distal anterior humerus
Insertion:
- Ulnar tuberosity
- Coronoid process
Action: - Flexion of elbow
Nerve Supply: - Musculocutaneous nerve

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16
Q

Origin of Triceps Brachii (heads)

A
  • Long head – Infraglenoid tubercle
  • Lateral head – Posterior humerus above spiral groove
  • Medial head – Posterior humerus below spiral groove
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17
Q

Insertion of Triceps Brachii

A

Olecranon Process

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18
Q

Actions of Triceps Brachii (specific)

A

All heads:
- Extension of elbow
Long head
- Extension of shoulder

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19
Q

Nerve supply of Triceps Brachii

A

Radial Nerve

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20
Q

OIAN of Triceps Brachii

A

Origin:
- Long head – Infraglenoid tubercle
- Lateral head – Posterior humerus above spiral groove
- Medial head – Posterior humerus below spiral groove

Insertion: - Olecranon process

Action:
All heads:
- Extension of elbow
Long head
- Extension of shoulder

Nerve Supply: - Radial nerve

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21
Q

Origin of Supraspinatus

A

Supraspinous fossa

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22
Q

Insertion of supraspinatus

A

superior greater tubercle

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23
Q

Action of Supraspinatus

A

Abduction of shoulder
Stabilizes glenohumeral joint

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24
Q

Nerve Supply of Supraspinatus

Study These Flashcards
A

Suprascapular nerve

25
OIAN of Supraspinatus
Origin: - Supraspinous fossa Insertion: - Superior greater tubercle Action: - Abduction of shoulder - Stabilizes glenohumeral joint Nerve Supply: - Suprascapular nerve
26
Origin of Infraspinatus
Infraspinous fossa
27
Insertion of Infraspinatus
Middle greater tubercle
28
Action of Infraspinatus
External rotation of shoulder Stabilizes glenohumeral joint
29
Nerve supply of Infraspinatus
Suprascapular nerve
30
OIAN of Infraspinatus
O: Infraspinous Fossa I: Middle greater tubercle A: External rotation of shoulder; stabilize glenohumeral joint N: Suprascapular nerve
31
Origin of Teres Minor
Superior Axillary border
32
Insertion of Teres Minor
Inferior greater tubercle
33
Action of Teres Minor
External rotation of shoulder - Stabilizes glenohumeral joint
34
Nerve supply of Teres Minor
Axillary nerve
35
OIAN of Teres Minor
Origin: - Superior axillary border Insertion: - Inferior greater tubercle Action: - External rotation of shoulder - Stabilizes glenohumeral joint Nerve Supply: - Axillary nerve
36
Origin of Subscapularis
Subscapular fossa
37
Insertion of Subscapularis
Lesser tubercle
38
Action of Subscapularis
Internal rotation of shoulder Stabilizes glenohumeral joint
39
Nerve Supply of Subscapularis
Upper subscapular nerve Lower subscapular nerve
40
OIAN of subscapularis
Origin: - Subscapular fossa Insertion: - Lesser tubercle Action: - Internal rotation of shoulder - Stabilizes glenohumeral joint Nerve Supply: - Upper subscapular nerve - Lower subscapular nerve
41
Origin of Deltoid (3)
- Anterior deltoid – Lateral clavicle - Middle deltoid – Acromion - Posterior deltoid – Spine of scapula
42
Insertion of Deltoid
Deltoid Tuberosity
43
Actions of Deltoid (3)
Anterior deltoid: - Flexion of shoulder - Horizontal adduction of shoulder - Internal rotation of shoulder Middle deltoid: - Abduction of shoulder Posterior deltoid: - Extension of shoulder - Horizontal abduction of shoulder - External rotation of shoulder
44
Nerve Supply of Deltoid
Axillary Nerve
45
OIAN of Deltoid
Origin: - Anterior deltoid – Lateral clavicle - Middle deltoid – Acromion - Posterior deltoid – Spine of scapula Insertion: - Deltoid tuberosity Action: Anterior deltoid: - Flexion of shoulder - Horizontal adduction of shoulder - Internal rotation of shoulder Middle deltoid: - Abduction of shoulder Posterior deltoid: - Extension of shoulder - Horizontal abduction of shoulder - External rotation of shoulder Nerve Supply: - Axillary nerve
46
Origin of Teres Major
- Inferior angle of scapula - Inferior axillary border of scapula
47
Insertion of Teres Major
Medial Bicipital Groove
48
Actions of Teres Major
Extension of shoulder - Internal rotation of shoulder - Adduction of shoulder
49
Nerve Supply of Teres Major
- Lower subscapular nerve
50
OIAN of Teres Major
Origin: - Inferior angle of scapula - Inferior axillary border of scapula Insertion: - Medial bicipital groove Action: - Extension of shoulder - Internal rotation of shoulder - Adduction of shoulder Nerve Supply: - Lower subscapular nerve
51
Origin of Brachioradialis
Supracondylar ridge of humerus
52
Insertion of Brachioradialis
Styloid Process of radius
53
Action of Brachioradiallis
Flexion of elbow with forearm in neutral position
54
Nerve supply of Brachioradialis
Radial Nerve
55
OIAN of Brachioradialis
Origin: - Supracondylar ridge of humerus Insertion: - Styloid process of radius Action: - Flexion of elbow with forearm in neutral position Nerve Supply: - Radial nerve
56
Anterior Muscles of Brachium
Biceps Brachii Coracobrachialis Brachialis
57
Posterior Muscles
Triceps Brachii - Long head -lateral head -medial head
58
Borders and Contents of Triangular Space
Teres Major/Minor, Triceps Longhead Content: circumflex scapular artery
59
Borders and Contents of Quadrangular Space
Triceps Long Head, Teres Major/Minor, Neck of Humerus Contents: Axillar nerve, posterior circumflex humeral artery

Anatomy (14 decks)

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