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Anatomy Lecture Exam 2 > PPT 11 > Flashcards

PPT 11 Flashcards

1
Q

extensor carpi radialis longus & brevis action

A

wrist extension
wrist radial deviation
ECRL active during fist clenching

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2
Q

extensor carpi radialis longus & brevis PA

A

L: lateral supra-epicondylar ridge of humerus
B: lateral epicondyle of humerus (common extensor tendon)

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3
Q

extensor carpi radialis longus & brevis nerve innervation

A

radial nerve C6, C7, C8

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4
Q

extensor carpi radialis longus & brevis DA

A

L: base of 2nd metacarpal
B: base of 3rd metacarpal

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5
Q

extensor digitorum action

A

digits 2-5 extension at MCP and IP joints

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6
Q

extensor digitorum DA

A

extensor expansions of digits 2-5

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6
Q

extensor digitorum PA

A

lateral epicondyle of humerus (common extensor tendon)

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7
Q

extensor digitorum nerve innervation

A

radial nerve (deep branch) C7, C8

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8
Q

extensor digiti minimi action

A

5th digit extension at MCP and IP

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9
Q

extensor digiti minimi PA

A

lateral epicondyle of humerus (common extensor tendon)

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10
Q

extensor digiti minimi nerve innervation

A

radial nerve (deep branch) C7, C8

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11
Q

extensor digiti minimi DA

A

extensor expansion of 5th digit

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12
Q

extensor carpi ulnaris action

A

wrist extension
wrist ulnar deviation
active during fist clenching

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13
Q

extensor carpi ulnaris PA

A

lateral epicondyle of humerus (common extensor tendon)

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13
Q

extensor carpi ulnaris DA

A

base of 5th metacarpal

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14
Q

extensor carpi ulnaris nerve innervation

A

radial nerve (deep branch) C7, C8

15
Q

extensor indicis action

A

2nd digit extension at MCP joint
may assist with wrist extension

16
Q

extensor indicis PA

A

posterior ulna and interosseous membrane

17
Q

extensor indicis DA

A

extensor expansion of 2nd digit

18
Q

extensor indicis nerve innervation

A

radial nerve (PIN) C7, C8

19
Q

abductor pollicis longus action

A

thumb radial abduction at CMC joint
thumb extension at CMC joint

20
Q

abductor pollicis longus PA

A

posterior surface of:
ulna
radius
interosseous membrane

21
Q

abductor pollicis longus DA

A

base of 1st metacarpal

22
Q

abductor pollicis longus nerve innervation

A

radial nerve (PIN) C7, C8

23
Q

extensor pollicis brevis & longus action

A

thumb extension at CMC and MCP joints
EPL only: thumb extension at IP joint

24
Q

extensor pollicis brevis & longus PA

A

EPB: posterior radius and interosseous membrane
EPL: posterior ulna and interosseous membrane

25
Q

extensor pollicis brevis & longus DA

A

EPB: base of proximal phalanx of thumb
EPL: base of distal phalanx of thumb

26
Q

extensor pollicis brevis & longus nerve innervation

A

radial nerve (PIN) C7, C8

Anatomy Lecture Exam 2 (4 decks)

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