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UL Ox > Anatomy of UL: Distal to Elbow > Flashcards

Anatomy of UL: Distal to Elbow Flashcards

1
Q

Flexor Carpi Ulnaris

Attatchment

A
  • O: Humerus (medial epicondyle); Ulna (olecranon)
  • I: Pisiform, hamate, 5th met
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2
Q

Flexor Carpi Ulnaris

Action

A

Flexion & ulnar deviation at wrist

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3
Q

Flexor Carpi Ulnaris

Innervation

A

Ulnar Nerve

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4
Q

Dorsal Interossei

Attachment

A
  • O: 2 heads from adjacement metacarpal
  • I: Adjacent proximal phalynx
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5
Q

Dorsal Interossei

Action

A

ABduction of fingers

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6
Q

Dorsal Interossei

Innervation

A

Ulnar Nerve

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7
Q

Palmar Interossei

Attachment

A
  • O: Metacarpal
  • I: Digital expansion and proximal phalynx
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8
Q

Palmar Interossei

Action

A

MCP Flexion

PIP/DIP extension & adduction

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9
Q

Palmar Interossei

Innervation

A

Ulnar Nerve

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10
Q

Palmaris Longus

Attachment

A
  • O: Medial Epicondyle of Humerus
  • I: Palmar apneurosis
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11
Q

Palmaris Longus

Action

A

Wrist Flexion

tightens palmar apneurosis (grip)

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12
Q

Palmaris Longus

Innervation

A

Median Nerve

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13
Q

Flexor Digitorum Superficialis

Attachment

A
  • O: Humerus (medial epicondyle); Ulna (Coronoid Process); Radius (anterior borer)
  • I: Sides of middle phalanges (digits 2-5)
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14
Q

Flexor Digitorum Superficialis

Action

A

Flexion of wrist, MCP & PIP

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15
Q

Flexor Digitorum Superficialis

Innervation

A

Median Nerve

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16
Q

Pronator Teres

Attachment

A
  • O: Humerus (medial epicondyle); Ulna (coronoid process)
  • I: Lateral surface of radius
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17
Q

Pronator Teres

Action

A

forearm pronation

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18
Q

Pronator Teres

Innervation

A

Median Nerve

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19
Q

Lumbrical

Attachment

A
  • O: Radial side of digitorum profundus tendon
  • I: Digital expansion of corresponding digit
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20
Q

Lumbrical

Action

A

MCP Flexion

PIP & DIP Extension

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21
Q

Lumbrical

Innervation

A
  • 1-2: median nerve
  • 3-4: ulnar nerve
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22
Q

Flexor Digitorum Profundus

Attachment

A
  • O: Proximal 2/3 of ulna and interosseous membrane
  • I: Palmar surface of distal phalanges (digits 2-5)
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23
Q

Flexor Digitorum Profundus

Action

A
  • Wrist, MCP, PIP & DIP Flexion
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24
Q

Flexor Digitorum Profundus

Innervation

A

Ulnar Nerve

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25
Q

Flexor Pollicis Longus

Attachment

A
  • O: Mid-anterior surface of radius and adjacent interosseous membrane
  • I: Palmar surface of distal phalanx
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26
Q

Flexor Pollicis Longus

Action

A
  • Wrist: flexion; Radial Deviation
  • Thumb: Opposion, MCP & IP Flexion
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27
Q

Flexor Pollicis Longus

Innervation

A

Median Nerve

28
Q

Flexor Carpi Radialis

Attachment

A
  • O: Medial Epicondyle (humerus)
  • I: base of 2nd metacarpal
29
Q

Flexor Carpi Radialis

Action

A

Flexion & Abduction of wrist

30
Q

Flexor Carpi Radialis

Innervation

A

Median Nerve

31
Q

Extensor Indicis

Attachment

A
  • O: Posterior Surface of Ulnar; Interosseus Membrane
  • I: Posterior digital expansion of index
32
Q

Extensor Indicis

Action

A
  • Wrist Extension
  • MCP, PIP. DIP extension (2nd digit)
33
Q

Extensor Indicis

Innervation

A

Radial Nerve

34
Q

Adductor Pollicis

Attachment

A
  • O: Palmar Surface of 3rd Metacarpal; Capitate
  • I: Base of proximal phalynx
35
Q

Adductor Pollicis

Action

A

Thumb flexion & opposition

36
Q

Adductor Pollicis

Innervation

A

Ulnar Nerve

37
Q

Extensor Carpi Radialis Longus

Attachment

A
  • O: Lateral surface of distal humerus
  • I: dorsal base of 2nd metacarpal
38
Q

Extensor Carpi Radialis Longus

Action

A

Wrist extension

radial deviation

39
Q

Extensor Carpi Radialis Longus

Innervation

A

Radial Nerve

40
Q

Extensor Carpi Radialis Brevis

Attachment

A
  • O: lateral epicondyle of humerus
  • I: Dorsal base of 3rd metacarpal
41
Q

Extensor Carpi Radialis Brevis

Action

A

Wrist extension

radial deviation

42
Q

Extensor Carpi Radialis Brevis

Innervation

A

Radial Nerve

43
Q

Extensor Pollicis Longus

Attachment

A
  • O: Posterior surface of ulna
  • I: base of distal phalynx of thumb
44
Q

Extensor Pollicis Longus

Action

A
  • Wrist: extension & radial deviation
  • Thumb: adduction & extension
45
Q

Extensor Pollicis Longus

Innervation

A

Radial Nerve

46
Q

Extensor Carpi Ulnaris

Attachment

A
  • O: humerus (lateral epicondyle); ulnar head
  • I: Base of 5th metaarpal
47
Q

Extensor Carpi Ulnaris

Action

A

wrist extension & ulnar deviation

48
Q

Extensor Carpi Ulnaris

Innervation

A

Radial Nerve

49
Q

Extensor Digiti Minimi

Attachement

A
  • O: Lateral epicondyle humerus
  • I: dorsal digital expansion of 5th digit
50
Q

Extensor Digiti Minimi

Action

A

Wrist: extension; ulnar deviation
5th digit: MCP, PIP, DIP extension and abduction

51
Q

Extensor Digiti Minimi

Innervation

A

Radial Nerve

52
Q

Abductor Pollicis Longus

Attachment

A
  • O: Dorsal surface of radius and ulna
  • I: Base of first metacarpal
53
Q

Abductor Pollicis Longus

Action

A
  • Radiocarpal abduction (radial deviation)
  • Thumb abduction
54
Q

Abductor Pollicis Longus

Innervation

A

Radial Nerve

55
Q

Supinator

Attachment

A
  • O: Olecranon process; lateral epicondyle, RCL & anular ligament (radius)
  • I: Radius
56
Q

Supinator

Action

A

Supination

57
Q

Supinator

Innervation

A

Radial Nerve

58
Q

Pronator Quadratus

Attachment

A
  • O: Distal 1/4 of anterior ulna
  • I: Distal 1/4 of anterior radius
59
Q

Pronator Quadratus

Action

A

Pronates the ahnd; stabilized the radioulnar joint

60
Q

Pronator Quadratus

Innervation

A

Median Nerve

61
Q

Extensor Pollicis Brevis

Attachment

A
  • O: Posterior surface of ulna
  • I: Base of proximal phalynx of thumb
62
Q

Extensor Pollicis Brevis

Action

A

Radial Deviation of Hand; Adduction and extension of thumb

63
Q

Extensor Pollicis Brevis

Innervation

A

Radial Nerve

64
Q

Extensor Digitorum

Attachments

A
  • O: lateral epicondyle of humerus
  • I: Dorsal digital extension and abduction
65
Q

Extensor Digitorum

Action

A

Wrist: extension
MCP, DIP, PIP: Extension and abduction

66
Q

Extensor Digitorum

Innervation

A

Radial Nerve

UL Ox (11 decks)

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