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Muscles > Anterior compartment of forearm (Superficial layer) > Flashcards

Anterior compartment of forearm (Superficial layer) Flashcards

1
Q

What are the muscles in the superficial layer?

A

Pronator teres
Flexor carpi radialis (FCR)
Palmaris longus
Flexor carpi ulnaris (FCU)

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2
Q

What is the proximal attachment of the pronator teres on the unlar head?

A

The coronoid process

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3
Q

What is the distal attachment of the pronator teres?

A

Middle of convexity of lateral surface of radius

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4
Q

What is the innervation of the pronator teres?

A

Median nerve (C6, C7)

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5
Q

What is the main action of the pronator teres?

A

Pronates and flexes forearm (at elbow)

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6
Q

What is the proximal attachment of the flexor carpi radialis?

A

Medial epicondyle of humerus (common flexor origin)

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7
Q

What is the distal attachment of the flexor carpi radialis?

A

Base of 2nd metacarpal

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8
Q

What is the innervation of the flexor carpi radialis?

A

Median nerve (C6, C7)

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9
Q

What is the main action of the flexor carpi radialis?

A

Flexes and abductss hand (at wrist)

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10
Q

What is the proximal attachment of the palmaris longus?

A

Medial epicondyle of humerus (common flexor origin)

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11
Q

What is the distal attachment of the palmaris longus?

A

Distal half of flexor retinaculum and apex of palmar aponeurosis

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12
Q

What is the innervation of the palmaris longus?

A

Median nerve (C7,C8)

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13
Q

What is the main action of the palmaris longus?

A

Flexes hand (at wrist) and tenses palmar aponeurosis

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14
Q

Where is the proximal attachment of the flexor carpi ulnaris on the ulnar head?

A

Olecranon and posterior border of ulna (via aponeurosis)

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15
Q

Where is the proximal attachment of the flexor carpi ulnaris on the humeral head?

A

Medial epicondyle of humerus (common flexor origin)

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16
Q

What is the distal attachment of the flexor carpi ulnaris?

A

Pisiform, hook of hamate, 5th metacarpal

17
Q

What is the innervation of the flexor carpi ulnaris?

A

Ulnar nerve (C7, C8)

18
Q

What is the main action of the flexor carpi ulnaris?

A

Flexes and adduct hand (at wrist)

19
Q

What is the proximal attachment of the pronator teres on the humeral head?

A

Medial epicondyle of humerus (common flexor origin)

Muscles (16 decks)

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