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Forearm > Superficial extensors > Flashcards

Superficial extensors Flashcards

1
Q

Origin and insertion of extensor carpi radialis longus

A

Origin: lateral supracondylar ridge
Attachment: base of 2nd metacarpal

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2
Q

Origin and insertion of extensor carpi radialis brevis

A

Origin: lateral epicondyle
Attachment: base of 2nd and 3rd metacarpal

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3
Q

Origin and insertion of extensor digitorum

A

Origin: lateral epicondyle
Attachment: dorsal hoods of phalynx 2,3,4,5

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4
Q

Origin and insertion of extensor digiti minimi

A

Origin: lateral epicondyle
Attachment: extensor hood of 5th phalynx

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5
Q

Origin and insertion of extensor carpi ulnaris

A

Origin: lateral epicondyle and posterior ulna
Attachment: base of 5th metacarpal

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6
Q

Nerve to extensor carpi radialis longus

A

radial nerve, C6,7

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7
Q

Nerve to extensor carpi radialis brevis

A

deep branch of radial nerve C7,8

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8
Q

Nerve to extensor digitorum

A

posterior interosseous nerve C7,8

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9
Q

Nerve to extensor digiti minimi

A

posterior interosseous nerve C7,8

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10
Q

Nerve to extensor carpi ulnaris

A

posterior interosseous nerve C7,8

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11
Q

Function of extensor carpi radialis longus & brevis

A

extends and abducts wrist

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12
Q

Function of extensor digitorum

A

extends 2nd,3rd,4th&5th digits

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13
Q

Function of extensor digiti minimi

A

extends 5th digit

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14
Q

Function of extensor carpi ulnaris

A

extends and adducts wrist

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15
Q

Origin and attachment of anconeus

A

Origin: lateral epicondyle
Attachment: olecranon and proximal posterior ulna

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16
Q

Nerve to anconeus

A

radial never C6,7,8

17
Q

Function of anconeus

A

abduction of ulna in pronation

Forearm (4 decks)

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