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Anatomy UE > Posterior Deep Compartment > Flashcards

Posterior Deep Compartment Flashcards

1
Q

Supinator Origin

A

Lateral epicondyle of humerus, supinator crest of ulna, radial collateral l

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2
Q

Supinator Insertion

A

Proximal 1/3rd lateral surface of radius

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3
Q

Supinator Action

A

Forearm: supination

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4
Q

Supinator Innervation

A

Deep branch of radial n. (C7-C8)

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5
Q

Extensor Pollicis Longus Origin

A

Middle 1/3rd posterior ulna, interosseous membrane

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6
Q

Extensor Pollicis Longus Insertion

A

Distal phalanx 1st digit

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7
Q

Extensor Pollicis Longus Action

A

Wrist: weak extension
Digits: extension 1st of digit

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8
Q

Extensor Pollicis Longus Innervation

A

Posterior interosseous n (C7-C8)

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9
Q

Extensor Pollicis Brevis Origin

A

Distal 1/3rd posterior radius, interosseous membrane

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10
Q

Extensor Pollicis Brevis Insertion

A

Proximal phalanx 1st digit

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11
Q

Extensor Pollicis Brevis Action

A

Digits: extension of 1st digit

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12
Q

Extensor Pollicis Brevis Innervation

A

Posterior interosseous n (C7-C8)

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13
Q

Abductor Pollicis Longus Origin

A

Proximal posterior radius and ulna, interosseous membrane

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14
Q

Abductor Pollicis Longus Insertion

A

Base of 1st metacarpal

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15
Q

Abductor Pollicis Longus Action

A

Digits: abduction of 1st digit

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16
Q

Abductor Pollicis Longus Innervation

A

Posterior interosseous n (C7-C8)

17
Q

Extensor Indicis Origin

A

Distal posterior ulna, interosseous membrane

18
Q

Extensor Indicis Insertion

A

Extensor expansion of 2nd digit

19
Q

Extensor Indicis Action

A

Wrist: weak extension
Digits: extension of 2nd digit

20
Q

Extensor Indicis Innervation

A

Posterior interosseous n (C7-C8)

Anatomy UE (10 decks)

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