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Upper Extremity Anatomy > Muscles of the Antebrachium > Flashcards

Muscles of the Antebrachium Flashcards

1
Q

Brachioradialis

A

Origin: lat supracodylar ridge humerus
Insertion: styloid process radius
Action: flex elbow, pronate/ supinate RU
Innervation: radial nerve (C5-T1)

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2
Q

Extensor carpi radialis longus

A

Origin: lateral supracondylar ridge humerus
Insertion: base 2nd MC
Action: ext & radial dev wrist
Innervation: deep radial nerve

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3
Q

extensor carpi radialis brevis

A

Origin: lateral epicondyle humerus
Insertion: base 3rd MC
Action: ext & radial dev wrist
Innervation: deep radial nerve

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4
Q

supinator

A

Origin: lateral epicondyle humerus, supinator crest ulna
Insertion: lateral radius
Action: supinate RU
Innervation: Deep radial nerve

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5
Q

extensor digitorum

A

Origin:lateral epicondyle humerus
Insertion: middle and distal phalange 2-5
Action: ext 2-5 MCP and IPs, Ext wrist
Innervation: post interosseous

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6
Q

extensor digiti minimi

A

Origin:lateral epicondyle humerus
Insertion:5th middle and distal phalange
Action: ext 5th MCP, PIP, DIP
Innervation: Posterior interosseous

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7
Q

extensor carpi ulnaris

A

Origin: lateral epicondyle of humerus, posterior ulna
Insertion:base 5th MC
Action:ext & ulnar dev wrist
Innervation:post interosseous

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8
Q

Pronator teres

A

Origin: medial epicondyle humerus, coronoid process ulna
Insertion: lateral surface radius
Action: pronate RU
Innervation: Median nerve (C6-T1)

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9
Q

Flexor digitorum superficialis

A

Origin: medial epicondyle humerus, coronoid process ulna
Insertion: middle phalanges 2-5
Action: flex 2-5 MCP+PIP, flex wrist
Innervation: medial nerve (C6-T1)

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10
Q

Flexor carpi ulnaris

A

Origin: medial epicondyle humerus, olecranon
Insertion: piriform, hamate
Action: flex wrist, ulnar deviate wrist
Innervation: ulnar nerve (C8-T1)

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11
Q

Flexor Carpi Radialis

A

Origin:medial epicondyle humerus
Insertion: base 2nd MC
Action: flex wrist, radial dev wrist
Innervation: median nerve (C6-T1)

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12
Q

Palmaris longus

A

Origin: medial epicondyle humerus
Insertion: palmar aponeurosis
Action: flex wrist
Innervation:median nerve (C6-T1)

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13
Q

Flexor digitorum profundus

A

Origin: anterior ulna
Insertion: distal phalanges 2-5
Action: flex wrist, flex MCP, PIP and DIP 2-5
Innervation:2-3 anterior interosseous (median n) 4-5 ulnar nerve (C8-T1)

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14
Q

Flexor pollicis longus

A

Origin: anterior radius
Insertion: distal 1st phalanx
Action: flex 1st CMC, MCP, IP, flex wrist
Innervation: anterior interosseous (median)

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15
Q

pronator quadratus

A

Origin:distal ant surface radius
Insertion: distal ant surface radius
Action: pronate RU
Innervation: Anterior interosseous (median)

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Upper Extremity Anatomy (8 decks)

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