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MSK AM > Upper arm muscles > Flashcards

Upper arm muscles Flashcards

1
Q

What are the actions of the biceps brachii?

A

Flexion at elbow

Supination

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2
Q

What is the blood supply of the biceps brachii?

A

Brachial artery

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3
Q

What is the innervation of the biceps brachii?

A

Musculocutaneous

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4
Q

What are the attachments of the biceps brachii?

A

Long head- supraglenoid tubercle of scapula
Short head- coracoid process of scapula
Radial tuberosity

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5
Q

What is the action of the brachialis?

A

Flexion at elbow

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6
Q

What us he blood supply of the brachialis?

A

Brachial artery

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7
Q

What is the innervation of the brachialis?

A

Musculocutaneous

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8
Q

What are the attachments of the brachialis?

A

Medial and lateral hemral shaft

Ulnar tuberosity

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9
Q

What are the actions of the coracobrachialis?

A

Flexion at shoulder

Adduction of shoulder

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10
Q

What is the blood supply of the coracobrachialis?

A

Brachial artery

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11
Q

What is the innervation of the coracobrachialis?

A

Musculocutaneous

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12
Q

What are the attachments of the coracobrachialis?

A

Coracoid process of scapula

Medial side of humeral shaft

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13
Q

What is the action of the triceps brachii?

A

Extension of elbow

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14
Q

What is the blood supply of the triceps brachii?

A

Profunda brachii

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15
Q

What is the innervation of the triceps brachii?

A

Radial nerve

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16
Q

What are the attachments o the triceps brachii?

A

Long heaad- Infragleoid tubercle of scapula
Lateral head- Above radial groove
Medial head- below radial groove
Olecranon process of ulna

17
Q

What are the actions of the anconeus?

A

Extension of elbow
Adduction at shoulder
Extension at shoulder

18
Q

What is the blood supply of the anconeus?

A

Profunda brachii

19
Q

What is the innervation of the anconeus?

A

Radial nerve

20
Q

What are the attachments of the anconeus?

A

Lateral epicondyle of humerus

Lateral olecranon and superior ulna

MSK AM (37 decks)

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