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BU Anatomy > Axilla, Arm and Elbow > Flashcards

Axilla, Arm and Elbow Flashcards

1
Q

Anterior border of Axilla

A

Pectoralis Major and Pectoralis Minor

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2
Q

Posterior border of Axilla

A

Subscapularis, Latissimus Dorsi and Teres Major - scapula

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3
Q

Medial Border of Axilla

A

Ribs 1-4 and intercostal spaces

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4
Q

Lateral Border of Axilla

A

Intertubercular groove of humerus

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5
Q

Base of Axilla

A

Skin and Fascia of Arm

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6
Q

Apex of Axilla

A

Convergence of Clavicle, Scapula and Rib 1

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7
Q

Contents of the Axilla

A

Axillary Artery, Axillary Vein, Lymphatics and Brachial Plexus

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8
Q

Articulations involved in the Elbow Joint?

A

Humeroulnar - Hinge
Humeroradial - Modified Hinge
Proximal - Radioulnar

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9
Q

Function of Annular Ligament?

A

Encircle head of radius and keep it against the ulna

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10
Q

Monteggia Fracture

A

dislocation of proximal radioulnar joint with a forearm fracture

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11
Q

Lateral collateral ligament function?

A

Protects against medial deviation of forearm

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12
Q

Medial collateral ligament function?

A

Protects against lateral deviation of forearm; Medial epicondyle of humerus to coronoid and olecranon process

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13
Q

CRTU

A

Capitulum of humerus with radius

Trochela of humerus with ulna

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14
Q

Supination

A

Radial head spins on capitulum

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15
Q

Name the Anterior Compartment Arm muscles

A

Biceps Brachii
Brachialis
**Coracobrachialis = intrinsic shoulder muscle

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16
Q

Name the Posterior compartment arm muscles

A

Triceps Brachii
Anconeus
Brachioradialis

17
Q

Biceps Brachii Attachments

A

2 Heads
Long head: Supraglenoid tubercle
Short head: Coracoid process of scapula
Radial tuberosity

18
Q

Biceps Brachii action

A

Flexion of elbow

19
Q

Biceps brachii Innervation

A

Musculocutaneous Nerve

20
Q

Brachialis Attachments

A

Distal anterior humerus

Coronoid process of ulna

21
Q

Brachialis Action

A

Flexion of forearm/elbow

22
Q

Brachialis Innervation

A

Musculocutaneous Nerve

23
Q

Triceps Brachii Attachments

A

Long head: infraglenoid tubercle
Lateral head: posterior sup. humerus
Medial head: posterior inf. humerus
I: olecranon of ulna

24
Q

Triceps Brachii Action

A

Extension of elbow

25
Q

Triceps Brachii Innervation

A

Radial Nerve

26
Q

Anconeus Attachments

A

Lateral epicondyle of humerus

Olecranon of ulna

27
Q

Anconeus Action

A

Extends forearm

28
Q

Anconeus Innervation

A

Radial Nerve

29
Q

Brachioradialis Attachments

A

Lateral supracondylar ridge

Lateral, distal radius

30
Q

Brachioradialis Action

A

Elbow flexion

31
Q

Brachioradialis Innervation

A

Radial Nerve

BU Anatomy (15 decks)

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