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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
Flexor Pollicis Longus | Attachment
* O: Mid-anterior surface of radius and adjacent interosseous membrane * I: Palmar surface of distal phalanx
26
Flexor Pollicis Longus | Action
* Wrist: flexion; Radial Deviation * Thumb: Opposion, MCP & IP Flexion
27
Flexor Pollicis Longus | Innervation
Median Nerve
28
Flexor Carpi Radialis | Attachment
* O: Medial Epicondyle (humerus) * I: base of 2nd metacarpal
29
Flexor Carpi Radialis | Action
Flexion & Abduction of wrist
30
Flexor Carpi Radialis | Innervation
Median Nerve
31
Extensor Indicis | Attachment
* O: Posterior Surface of Ulnar; Interosseus Membrane * I: Posterior digital expansion of index
32
Extensor Indicis | Action
* Wrist Extension * MCP, PIP. DIP extension (2nd digit)
33
Extensor Indicis | Innervation
Radial Nerve
34
Adductor Pollicis | Attachment
* O: Palmar Surface of 3rd Metacarpal; Capitate * I: Base of proximal phalynx
35
Adductor Pollicis | Action
Thumb flexion & opposition
36
Adductor Pollicis | Innervation
Ulnar Nerve
37
Extensor Carpi Radialis Longus | Attachment
* O: Lateral surface of distal humerus * I: dorsal base of 2nd metacarpal
38
Extensor Carpi Radialis Longus | Action
Wrist extension | radial deviation
39
Extensor Carpi Radialis Longus | Innervation
Radial Nerve
40
Extensor Carpi Radialis Brevis | Attachment
* O: lateral epicondyle of humerus * I: Dorsal base of 3rd metacarpal
41
Extensor Carpi Radialis Brevis | Action
Wrist extension | radial deviation
42
Extensor Carpi Radialis Brevis | Innervation
Radial Nerve
43
Extensor Pollicis Longus | Attachment
* O: Posterior surface of ulna * I: base of distal phalynx of thumb
44
Extensor Pollicis Longus | Action
* Wrist: extension & radial deviation * Thumb: adduction & extension
45
Extensor Pollicis Longus | Innervation
Radial Nerve
46
Extensor Carpi Ulnaris | Attachment
* O: humerus (lateral epicondyle); ulnar head * I: Base of 5th metaarpal
47
Extensor Carpi Ulnaris | Action
wrist extension & ulnar deviation
48
Extensor Carpi Ulnaris | Innervation
Radial Nerve
49
Extensor Digiti Minimi | Attachement
* O: Lateral epicondyle humerus * I: dorsal digital expansion of 5th digit
50
Extensor Digiti Minimi | Action
Wrist: extension; ulnar deviation 5th digit: MCP, PIP, DIP extension and abduction
51
Extensor Digiti Minimi | Innervation
Radial Nerve
52
Abductor Pollicis Longus | Attachment
* O: Dorsal surface of radius and ulna * I: Base of first metacarpal
53
Abductor Pollicis Longus | Action
* Radiocarpal abduction (radial deviation) * Thumb abduction
54
Abductor Pollicis Longus | Innervation
Radial Nerve
55
Supinator | Attachment
* O: Olecranon process; lateral epicondyle, RCL & anular ligament (radius) * I: Radius
56
Supinator | Action
Supination
57
Supinator | Innervation
Radial Nerve
58
Pronator Quadratus | Attachment
* O: Distal 1/4 of anterior ulna * I: Distal 1/4 of anterior radius
59
Pronator Quadratus | Action
Pronates the ahnd; stabilized the radioulnar joint
60
Pronator Quadratus | Innervation
Median Nerve
61
Extensor Pollicis Brevis | Attachment
* O: Posterior surface of ulna * I: Base of proximal phalynx of thumb
62
Extensor Pollicis Brevis | Action
Radial Deviation of Hand; Adduction and extension of thumb
63
Extensor Pollicis Brevis | Innervation
Radial Nerve
64
Extensor Digitorum | Attachments
* O: lateral epicondyle of humerus * I: Dorsal digital extension and abduction
65
Extensor Digitorum | Action
Wrist: extension MCP, DIP, PIP: Extension and abduction
66
Extensor Digitorum | Innervation
Radial Nerve

UL Ox (11 decks)

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