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HBO 2 > Muscles Of The Arm > Flashcards

Muscles Of The Arm Flashcards

1
Q

PA Biceps

A

Short head: Coracoid Process

Long Head: Supraglenoid tubercle of scapula

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2
Q

DA Biceps Brachii

A

Radial tuberosity of the radius and fascia of the forearm via the bicipital aponeurosis

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3
Q

Nerve supply Biceps Brachii

A

Musculocutaneous nerve

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4
Q

Action of Biceps Brachii

A

Supinate forearm
Flex forearm
When forearm supinated, short head resists downwards dislocation of humerus

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5
Q

PA Coracobrachialis

A

Coracoid Process

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6
Q

DA Coracobrachialis

A

Middle third of medial humerus

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7
Q

Nerve Supply Coracobrachialis

A

Musculocutaneous

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8
Q

Action of Coracobrachialis

A

Assists in flexin and addiction of arm

Resists shoulder dislocation

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9
Q

PA Brachialis

A

Distal half of the anterior surface of humerus

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10
Q

DA brachialis

A

Coronoid process and tuberosity of ulna

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11
Q

NS of Brachialis

A

Musculocutaneous Nerve

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12
Q

Action Brachialis

A

Flexes forearm in all positions

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13
Q

Action of Brachialis

A

Flexes forearm all positions

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14
Q

PA Triceps Brachii

A

Long Head: infraglenoid tubercle of scapula
Lateral Head: posterior surface of humerus superior to radial groove
Medial Head: post surface of humerus inferior to radial groove

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15
Q

DA Triceps

A

Olecranon process of ulna

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16
Q

NS Triceps

A

Radial

17
Q

Action Triceps Brachii

A

Extension of forearm

Long head prevents downward dislocation of humerus

18
Q

PA Anconeus

A

Lateral epicondlye

19
Q

DA Anconeus

A

Olecranon of ulna

20
Q

NS Anconeus

A

Radial

21
Q

Action of Anconeus

A

Assists triceps in extension of forearm

HBO 2 (18 decks)

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