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Anatomy 2 - Written Exam > Muscles of the Wrist Complex > Flashcards

Muscles of the Wrist Complex Flashcards

1
Q

What are the attachments of Flexor Carpi Ulnaris?

A

O: humeral head – medial epicondyle, ulnar head – medial border of olecranon & upper 2/3rds of posrterior border of ulna

I: pisiform – extends to hook of hamate and base of 5th metacarpal

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2
Q

What are the attachments of Flexor Carpi Radialis?

A

O: medial epicondyle of humerus

I: palmar surfaces of the bases of the 2nd and 3rd metacarpals

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3
Q

What are the attachments of Palmaris Longus?

A

O: medial epicondyle of humerus

I: superficial flexor retinaculum

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4
Q

What is the shape and DOF for Flexor Carpi Ulnaris?

A

Superficial and Inferior

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5
Q

What is the shape and DOF for Flexor Carpi Radialis?

A

Oblique and Fusiform

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6
Q

What is the shape and DOF for Palmaris Longus?

A

Small and vesitigal

inferolaterally

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7
Q

What is the nerve supply for Flexor Carpi Ulnaris?

A

Ulnar nerve C7 C8

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8
Q

What is the nerve supply for Flexor Carpi Radialis

A

Median nerve C6 C7

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9
Q

What is the nerve supply for Palmaris Longus

A

Median Nerve C8

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10
Q

What is the action of Flexor Carpi Ulnaris

A

Wrist flexion and ulnar deviation

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11
Q

What is the action of Flexor Carpi Radialis

A

Flexes the wrist, radial deviation, aid pronation, help flex the elbow

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12
Q

What is the action of Palmaris Longus

A

Weak wrist flexion

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13
Q

What is the function of Flexor carpi ulnaris?

A

writing

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14
Q

What is the function of Flexor carpi radialis?

A

undoing buttons

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15
Q

What is the functions of palmaris longs

A

undoing buttons

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16
Q

What are the attachments of extensor carpi radialis longus?

A

O: lower 1/3rd lateral supracondylar line of humerus and adjacent intramuscular septum

I: posterior surface of base of 2nd metacarpal

17
Q

what is the shape and DOF of extensor carpi radialis longus?

A

strap muscle

inferiorly

18
Q

what is the nerve supply of extensor carpi radialis longus?

A

radial nerve C6, C7

19
Q

what is the action of extensor carpi radialis longus?

A

extends and radial deviates wrist

20
Q

what is the function of extensor carpi radialis longus?

A

picking up a cup

21
Q

what are the attachments of extensor carpi radialis brevis?

A

O: lateral epicondyle of humerus via common extensor tendon

I: posterior surface of base of 3rd metacarpal

22
Q

what is the shape and DOF of extensor carpi radialis brevis?

A

strap muscle

inferiorly

23
Q

what is the nerve supply of extensor carpi radialis brevis?

A

posterior interosseous branch of radial nerve C6 C7

24
Q

what is the action of extensor carpi radialis brevis?

A

extends and radial deviates wrist

25
Q

what is the function of extensor carpi radialis brevis?

A

picking up a cup

26
Q

what are the attachments of extensor carpi ulnaris

A

O: lateral epicondyle of humerus via common extensor tendon

I: medial side of base of 5th metacarpal

27
Q

what is the nerve supply of the extensor carpi ulnaris

A

Deep branch of the radial nerve (C7, C8)

28
Q

what is the action of extensor carpi ulnrias?

A

extension and ulnar deviation

29
Q

what is the shape and DOF of extensor carpi ulnaris?

A

inferomedially

30
Q

what is the function of extensor carpi ulnaris

A

putting a cup down

Anatomy 2 - Written Exam (22 decks)

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