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Anatomy > Antebrachium & Elbow > Flashcards

Antebrachium & Elbow Flashcards

1
Q

What is the bony support of the forearm?

A

ulna and radius

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2
Q

What is the arterial supply of the forearm?

A
  • radial art.
  • ulnar art > ant. interosseus
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3
Q

What compartment do the radial and median nerves innervate?

A
  • radial -> post.
  • median -> ant.
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4
Q

What are the branches of the ulnar nerve?

A

common interosseous art. > ant. interosseous art. & post. interosseous art.

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5
Q

What is the arterial supply of the posterior forearm?

A

post. interosseus

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6
Q

Where are the extensors and flexors of the wrist and fingers located?

A
  • extensors -> post.
  • flexors -> ant.
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7
Q

What do the flexors run through?

A

flexor retinaculum

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8
Q

What are the 2 exceptions of the anterior forearm that are innervated by the ulnar nerve?

A
  • flexor carpi ulnaris
  • flexor digitorum profundus
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9
Q

What muscles are the flexors of the forearm?

A
  • flexor carpi radialis
  • palmaris longus
  • flexor carpi ulnaris
  • flexor digitorum superficialis
  • flexor digitorum profundus
  • flexor pollicis longus
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10
Q

What is the proximal attachment of flexor carpi radialis?

A

medial epicondyle

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11
Q

Which flexor muscles are superficial?

A
  • pronator teres
  • flexor carpi radialis
  • palmaris longus
  • flexor carpi ulnaris
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12
Q

What is the distal attachment of flexor carpi radialis?

A

base of 2nd + 3rd metacarpal

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13
Q

Which flexor muscles are deep?

A
  • flexor pollicis longus
  • flexor digitorum profundus
  • pronator quadratus
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14
Q

What is the proximal attachment of flexor carpi ulnaris?

A

medial epicondyle

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15
Q

Which flexor muscle is intermediate?

A

flexor digitorum superficialis

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16
Q

What are the distal attachments of flexor carpi ulnaris?

A
  • pisiform
  • hamate
  • 5th metacarpal
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17
Q

What 2 bones are carpal bones?

A

pisiform and hamate

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18
Q

What is the proximal attachment of palmaris longus?

A

medial epicondyle

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19
Q

What is the distal attachment of palmaris longus?

A

palmar aponeurosis

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20
Q

In the anterior forearm, what are the pronators?

A
  • pronator teres
  • pronator quadratus
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21
Q

What is the proximal attachment of flexor digitorum superficialis?

A
  • medial epicondyle
  • proximal ulna
  • ant. radius
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22
Q

What are the proximal attachments for the pronator teres?

A
  • medial epicondyle
  • coronoid procees
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23
Q

What is the distal attachment of flexor digitorum superficialis?

A

sides of 2nd-5th mid-phalanges

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24
Q

What is the distal attachment of pronator teres?

A

mid-shaft of radius

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25
Q

What is the distal attachment of flexor digitorum profundus?

A

2nd-5th distal phalanges

26
Q

What is the distal attachment of pronator quadratus?

A

distal radius

27
Q

In the postior forearm, what are the supinators?

A
  • supinator
  • biceps
28
Q

What is the proximal attachment of pronator quadratus?

A

distal ulna

29
Q

What is the proximal attachment of flexor digitorum profundus?

A
  • ant. ulna
  • interosseous membrane
30
Q

What are the extensors of the wrist, superficially?

A
  • extensor carpi radialis longus
  • extensor carpi radialis brevis
  • extensor carpi ulnaris
31
Q

What are the proximal attachments of flexor pollicis longus?

A
  • distal radius
  • interosseuous membrane
32
Q

What are the enxtensors of the digits, superficially?

A
  • extensor digitorum
  • extensor digiti minimi
33
Q

What is the distal attachment of flexor pollicis longus?

A

base of distal phalanx of thumb

34
Q

What two muscles create the anatomical snuff box?

A
  • extensor pollicis brevis
  • extensor pollicis longus
35
Q

What are the extensors of the thumb, superficially?

A
  • extensor pollicis brevis
  • extensor pollicis longus
36
Q

What tendons and ligaments are apart of the elbow joint?

A
  • joint capsule
  • radial collateral ligament
  • ulnar collateral ligament
  • annular ligament
  • biceps tendon
37
Q

What are the 3 elbow joints?

A
  • humeroulnar
  • humeroradial
  • proximal radioulnar
38
Q

What are the proximal attachments of pronator teres?

A
  • medial epicondyle
  • coronoid process
39
Q

What is the proximal attachment of pronator teres?

A

mid-shaft of radius

40
Q

What is the proximal attachment of pronator quadratus?

A

distal ulna

41
Q

What is the distal attachment of pronator quadratus?

A

distal radius

42
Q

What are the proximal attachments of abductor pollicis longus?

A
  • 1/2 radius ulna
  • interosseous membrane
43
Q

What is the distal attachment of abductor pollicis longus?

A

trapezium

44
Q

What are the proximal attachments of supinator?

A
  • lat. epicondyle
  • proximal ulna
45
Q

What is the distal attachment of supinator?

A

proximal 3rd of radius

46
Q

What 2 supinators attach to the radius?

A

biceos and brachioradialis

47
Q

What extensors are superficial muscles?

A
  • extensor carpi radialis longus
  • extensor carpi radialis brevis
  • extensor carpi ulnaris
  • extensor digitorum
  • extensor digiti minimi
48
Q

What extensors are deep muscles?

A
  • extensor indicis
  • abductor pollicis longus
  • extensor pollicis brevis
  • extensor pollicis longus
  • supinator
49
Q

What travels under the flexor retinaculum?

A
  • tendons to all flexor muscles
  • median n.
50
Q

What travels over the flexor retinaculum?

A
  • ulnar a. & ulnar n.
  • radial a. & radial n.
51
Q

What does not travel through the flexor retinaculum?

A

palmaris longus

52
Q

What is the proximal and distal attachment of the extensor carpi radialis longus?

A
  • prox: lat. supracondylar ridge
  • distal: base 2nd metacarpal
53
Q

What is the proximal and distal attachment of the extensor carpi radialis brevis?

A
  • prox: lat. epicondyle
  • distal: base of 3rd metacarpal
54
Q

What is the proximal and distal attachment of the extensor carpi ulnaris?

A
  • prox: lat. epicondyle, post. border of ulna
  • distal: base of 5th metacarpal
55
Q

What is the proximal and distal attachment of the extensor digitorum?

A
  • prox: lat. epicondyle
  • distal: mid -> distal 2nd-5th phalanges
56
Q

What is the proximal and distal attachment of the extensor indicis?

A
  • prox: distal 1/3 ulna, interosseous membrane
  • distal: base of 2nd metacarpal
57
Q

What is the proximal and distal attachment of the extensor digiti minimi?

A
  • prox: lat. epicondyle
  • distal: mid -> distal 5th phalange
58
Q

What is the proximal and distal attachment of the extensor pollicis longus?

A
  • prox: mid 1/3 ulna, interosseous membrane
  • distal: base of distal phalanx of thumb
59
Q

What is the proximal and distal attachment of the extensor pollicis brevis?

A
  • prox: distal 1/3 radius, interosseous membrane
  • distal: base of proximal phalanx of thumb
60
Q

What is the proximal and distal attachment of the abductor pollicis longus?

A
  • prox: 1/2 radius-ulna, interosseous membrane
  • distal: trapezium

Anatomy (23 decks)

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