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Muscles of UE > Forearm Posterior Compartment Deep > Flashcards

Forearm Posterior Compartment Deep Flashcards

1
Q

Supinator (Origin)

A

Origin: Posterolateral surface of ulna below radial notch; lateral epicondyle; radial collateral and annular ligaments

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2
Q

Supinator
(Insertion)

A

Insertion: Lateral and Adjacent Posterior and Anterior Aspects of Proximal Shaft of Radius

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3
Q

Supinator
(Action)

A

Action: Supination of forearm

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4
Q

Supinator
(Innervation)

A

Innervation: Radial Nerve

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5
Q

Supinator
(Blood Supply)

A

Blood Supply: Radial recurrent and posterior interosseous arteries

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6
Q

Abductor Pollicis Longus
(Origin)

A

Origin: Posterior surface of ulna and radius; interosseous membrane

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7
Q

Abductor Pollicis Longus
(Insertion)

A

Insertion: Base of 1st Metacarpal

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8
Q

Abductor Pollicis Longus
(Action)

A

Action: Abduction and extension of thumb; abduction and flexion of hand at wrist

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9
Q

Abductor Pollicis Longus
(Innervation)

A

Innervation: Radial Nerve

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10
Q

Abductor Pollicis Longus
(Blood Supply)

A

Blood Supply: Posterior Interosseous Artery

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11
Q

Extensor Pollicis Longus
(Origin)

A

Origin: Posterior Surface of Middle Third of Ulna; Interosseous Membrane

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12
Q

Extensor Pollicis Longus
(Insertion)

A

Insertion: Base of the distal Phalanx of Digit 1

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12
Q

Extensor Pollicis Longus
(Action)

A

Action: Extension of proximal and distal phalanges of thumb; extension and adduction of metacarpal of thumb

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13
Q

Extensor Pollicis Longus
(Innervation)

A

Innervation: Radial Nerve

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14
Q

Extensor Pollicis Longus
(Blood Supply)

A

Blood Supply: Posterior Interosseous Artery

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15
Q

Extensor Pollicis Brevis
(Origin)

A

Origin: Dorsal Surface of body of radius; Interosseous membrane

16
Q

Extensor Pollicis Brevis
(Insertion)

A

Insertion: Proximal Phalanx of Thumb

17
Q

Extensor Pollicis Brevis
(Action)

A

Action: Extension of proximal and metacarpal of thumb; abduction of hand at wrist

18
Q

Extensor Pollicis Brevis
(Innervation)

A

Innervation: Radial Nerve

19
Q

Extensor Pollicis Brevis
(Blood Supply)

A

Blood Supply: Posterior Interosseous Artery

20
Q

Extensor Indicis
(Origin)

A

Origin: Posterior surface of ulna; interosseous membrane

21
Q

Extensor Indicis
(Insertion)

A

Insertion: Extensor Expansion of Index Finger

22
Q

Extensor Indicis
(Action)

A

Action: Extension and Adduction of Index Finger

23
Q

Extensor Indicis
(Innervation)

A

Innervation: Radial Nerve

24
Q

Extensor Indicis
(Blood Supply)

A

Blood Supply: Posterior Interosseous Artery

Muscles of UE (14 decks)

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