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RMT Term 1 > Lecture 7: Bones And Joints Of Upper Extermity > Flashcards

Lecture 7: Bones And Joints Of Upper Extermity Flashcards

1
Q

Name the grooves lateral to the dorsal tubercle on radius and what they attach

A
  1. Area for extensor pollicis brevis and abductor pollicis longus
  2. Groove for Extensor carpi radialis longus and brevis
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2
Q

Name tendons of lateral border of anatomic snuffbox

A

Extensor pollicis brevis and abductor pollicis longus

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3
Q

Another name for dorsal tubercle of distal radius

A

Lister’s tubercle

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4
Q

What attaches on anterior border of radius

A

Flexor digitorum superficialis

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5
Q

Attachment on pronator turbercle

A

Insertion of pronator teres

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6
Q

Location + attachment on radial / bicipital tuberosity

A

Distal to neck, ant med in anatomical p
Partial insertion of biceps brachii

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7
Q

Name grooves medial to dorsal tubercle

A
  1. Groove for extensor pollicis longus
  2. Groove for extensor digitorum and extensor indicis
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8
Q

Which carpal bones does the distal radius articulate with?

A

Scaphoid and lunate

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9
Q

Which muscle inserts on olecranon process?

A

Triceps tendon

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10
Q

Where is the ulnar tuberosity and what attaches there?

A

Ant surface of ulnar
Insertion of brachialis muscle

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11
Q

Where is the supinator crest and fossa and what attaches there?

A

Proximal lateral ulna, inferior to radial notch of ulna
Partial origin of supinator

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12
Q

What attaches on posterior border of ulna?

A

Origin of flexor carpi ulnaris

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13
Q

What does the distal end of the ulna articulates with?

A

Articular cartilage

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14
Q

Name the floor and lateral border of the anatomic snuffbox

A

Floor: Scaphoid
Lateral border: tendons of extensor pollicis brevis and abductor pollicis longus

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15
Q

What inserts of scaphoid tubercle?

A

Partial insertion of flexor retinaculum

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16
Q

What inserts on pisiform?

A
  1. Partial insertion of flexor carpi ulnaris
  2. Partial insertion of flexor retinaculum
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17
Q

Where does the flexor retinaculum inserts?

A

Scapoid
Pisiform
Hook of Hamate
Trapezium Tubercle

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18
Q

With what does the triquetrum articulate?

A

Articular cartilage of wrist

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19
Q

With what does the hamate articulate?

A

4th and 5th metacarpal

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20
Q

Partial insertion of ___________ on ant aspect of Hamate

A

Flexor carpi ulnaris

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21
Q

What articulates with Capitate?

A

Base of 3rd metacarpal and partially base of 4th metacarpal

22
Q

With what does the Trapezoid articulate?

A

Second metacarpal

23
Q

Partial insertion of ________ on trapezium tubercle

A

Flexor retinaculum

24
Q

What separates distal radioulnar joint from radiocarpal joint?

A

Trifolar disc

25
Q

What separates distal radioulnar joint from radiocarpal joint?

A

Trifolar disc

26
Q

Location of Trifolar Disc

A

Ulnar notch to ulnar styloid

27
Q

Location of trifolar disc

A

Ulnar styloid to ulnar notch of radius

28
Q

Carpal bones with partial flexor retinaculum insertions

A

Scaphoid and trapezium
Pisiform and hamate

29
Q

Carpal bones with partial flexor carpi ulnaris insertions

A

Pisiform
Hamate

30
Q

Carpal bone that articulates with trifolar disc

A

Triquetrum

31
Q

Origin of flexor carpi ulnaris

A

Bony ridge on posterior ulnar

32
Q

Ligaments and what they limit - Radiohumeral and Ulnohumeral Joints

A

Capsule
Medial/Ulnar Collateral - limits Valgus motion
Lateral/Radial Collateral - limits Varus motion

33
Q

Attachments of medial and lateral collateral ligaments of the elbow

A

Medial Collateral - medial epicondyle to coronoid and olecranon process

Lateral Collateral - lateral epicondyle to annular ligament

34
Q

Ligaments of proximal RU joint

A

Capsule: Cont with Radiohumeral and Ulnohumeral joint capsule

Annular: Encircles radial head and ensures correct radial alignment to humerus and ulna
limits lat and inf displacement of radius

Oblique: attaches ulna and radius ant
Limits supination and inf radial displacement

35
Q

Bursae of elbow

A

Olecranon subtendonous bursa: between olecranon and triceps tendon

Olecranon subcutaneous bursa

36
Q

Joint classification of Intermediate RU joint

A

Fibrous syndesmosis, amphiarthrodial joint

37
Q

Fibre direction of interosseous membrane of intermediate RU joint

A

Superior lateral to infero medial (R-U)

38
Q

Ligaments of distal RU joint

A

Capsule: enclosed joint, superior deficiency

Ant and post radioulnar ligaments - transverse, distal radius to distal ulnar
Ant restricts supination
Post restricts pronation

Trifolar disc: ulnar process on radius to styloid process of ulna
Limits impact between radius ulna and carpals

39
Q

Ligaments of radiocarpal joint

A

Capsule: Radius, ulna, proximal carpals

Ulnar collateral: ulnar styloid to triquetrum

Radial collateral: radial styloid, scaphoid, trapezium, first metacarpal

Ant radiocarpal ligaments:
Long and short radiolunate
Radioscaphocapitate
Radiotriquetral

Post radiocarpal
Radius&Radial styloid to Triquetrum and Lunate

Ant Ulnocarp Lig:
Ulnotriquetral
Ulnocapitate
Ulnolunate

Post Ulnocarpal Ligt
Distal Ulna&Trifolar cart - Triquetrum and Lunate

40
Q

Name components of palmar radiocarpal ligt and functions

A

Short radiolunate
Long radiolunate
Radioscaphocapitate
Radiotriquetral

Function: limits writs extension
Hand to follow radius in supination

41
Q

Name components of dorsal radiocarpal ligament and function

A

1 ligament
Dist radius&radial styloid - lunate and triquetrum

Limits wrist flexion
Hand to follow radius in pronation

42
Q

Name 3 bands of palmar ulnocarpal ligt and function

A

Ulnotriquetral
Ulnolunate
Ulnocapitate

Limits extension and controls carpal motion

43
Q

Classification of wrist joint

A

Biaxial condyloid synovial joint

44
Q

Ligaments of intercarpal joint

A
  1. Capsule - separate from radiocarpal joint capsule
  2. Ant radiocarpal ligt

3.Post radiocarpal ligt

  1. Medial collateral
  2. Lateral collateral
  3. Interosseus
45
Q

Classification of intercarpal joints

A

Nonaxial plane synovial

46
Q

Ligaments of 1st CMC joint

A

1.Capsule - separate from 2-5

  1. Lateral collateral - lat trapezium to base of 1st MC
    Restrict adduction
  2. Ant CMC ligament - ant surfaces of adjacent bones
    Limits extension
  3. Post CMC ligament - post surfaces of adjacent bones
    Limits hyperflexion
  4. Interosseus ligaments - between adjacent bones
    Limits joint distractions
47
Q

Ligaments of 2-5 CMC joints

A

Capsule
Ant & Post CMC ligaments
Interosseus ligaments

48
Q

Classification of intermetacarpal joint

A

Nonaxial plane synovial

49
Q

Ligaments of MCP Joint

A

1.Capsule

  1. Deep transverse MC ligament - ant surfaces 2-5 MC’s
  2. Lateral collateral - fuse with ant capsule
    Holds volar plate on joint
    Limits stresses varus
  3. Medial collateral - fuse with ant capsule
    Holds volar plate on joint
    Limits stresses - valgus
  4. Volar fibrocartilagenous plate / palmar ligament
    Thick dense plate located anterior to joint
    Blends with deep transverse MC proximally
    Function: limits hyperextension, prevents impingement of flexor tendons, reinforces capsule
50
Q

Ligaments of PIP and DIP

A

Capsule
Lateral and medial collateral
Volar plate / palmar ligament

RMT Term 1 (6 decks)

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