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Antebrachium & Elbow Flashcards

(60 cards)

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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
What is the distal attachment of flexor digitorum profundus?
2nd-5th distal phalanges
26
What is the distal attachment of pronator quadratus?
distal radius
27
In the postior forearm, what are the supinators?
* supinator * biceps
28
What is the proximal attachment of pronator quadratus?
distal ulna
29
What is the proximal attachment of flexor digitorum profundus?
* ant. ulna * interosseous membrane
30
What are the extensors of the wrist, superficially?
* extensor carpi radialis longus * extensor carpi radialis brevis * extensor carpi ulnaris
31
What are the proximal attachments of flexor pollicis longus?
* distal radius * interosseuous membrane
32
What are the enxtensors of the digits, superficially?
* extensor digitorum * extensor digiti minimi
33
What is the distal attachment of flexor pollicis longus?
base of distal phalanx of thumb
34
What two muscles create the anatomical snuff box?
* extensor pollicis brevis * extensor pollicis longus
35
What are the extensors of the thumb, superficially?
* extensor pollicis brevis * extensor pollicis longus
36
What tendons and ligaments are apart of the elbow joint?
* joint capsule * radial collateral ligament * ulnar collateral ligament * annular ligament * biceps tendon
37
What are the 3 elbow joints?
* humeroulnar * humeroradial * proximal radioulnar
38
What are the proximal attachments of pronator teres?
* medial epicondyle * coronoid process
39
What is the proximal attachment of pronator teres?
mid-shaft of radius
40
What is the proximal attachment of pronator quadratus?
distal ulna
41
What is the distal attachment of pronator quadratus?
distal radius
42
What are the proximal attachments of abductor pollicis longus?
* 1/2 radius ulna * interosseous membrane
43
What is the distal attachment of abductor pollicis longus?
trapezium
44
What are the proximal attachments of supinator?
* lat. epicondyle * proximal ulna
45
What is the distal attachment of supinator?
proximal 3rd of radius
46
What 2 supinators attach to the radius?
biceos and brachioradialis
47
What extensors are superficial muscles?
* extensor carpi radialis longus * extensor carpi radialis brevis * extensor carpi ulnaris * extensor digitorum * extensor digiti minimi
48
What extensors are deep muscles?
* extensor indicis * abductor pollicis longus * extensor pollicis brevis * extensor pollicis longus * supinator
49
What travels under the flexor retinaculum?
* tendons to all flexor muscles * median n.
50
What travels over the flexor retinaculum?
* ulnar a. & ulnar n. * radial a. & radial n.
51
What does not travel through the flexor retinaculum?
palmaris longus
52
What is the proximal and distal attachment of the extensor carpi radialis longus?
* prox: lat. supracondylar ridge * distal: base 2nd metacarpal
53
What is the proximal and distal attachment of the extensor carpi radialis brevis?
* prox: lat. epicondyle * distal: base of 3rd metacarpal
54
What is the proximal and distal attachment of the extensor carpi ulnaris?
* prox: lat. epicondyle, post. border of ulna * distal: base of 5th metacarpal
55
What is the proximal and distal attachment of the extensor digitorum?
* prox: lat. epicondyle * distal: mid -> distal 2nd-5th phalanges
56
What is the proximal and distal attachment of the extensor indicis?
* prox: distal 1/3 ulna, interosseous membrane * distal: base of 2nd metacarpal
57
What is the proximal and distal attachment of the extensor digiti minimi?
* prox: lat. epicondyle * distal: mid -> distal 5th phalange
58
What is the proximal and distal attachment of the extensor pollicis longus?
* prox: mid 1/3 ulna, interosseous membrane * distal: base of distal phalanx of thumb
59
What is the proximal and distal attachment of the extensor pollicis brevis?
* prox: distal 1/3 radius, interosseous membrane * distal: base of proximal phalanx of thumb
60
What is the proximal and distal attachment of the abductor pollicis longus?
* prox: 1/2 radius-ulna, interosseous membrane * distal: trapezium

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