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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

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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?

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A

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

22
Q

With what does the Trapezoid articulate?

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A

Second metacarpal

23
Q

Partial insertion of ________ on trapezium tubercle

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A

Flexor retinaculum

24
Q

What separates distal radioulnar joint from radiocarpal joint?

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A

Trifolar disc

25
What separates distal radioulnar joint from radiocarpal joint?
Trifolar disc
26
Location of Trifolar Disc
Ulnar notch to ulnar styloid
27
Location of trifolar disc
Ulnar styloid to ulnar notch of radius
28
Carpal bones with partial flexor retinaculum insertions
Scaphoid and trapezium Pisiform and hamate
29
Carpal bones with partial flexor carpi ulnaris insertions
Pisiform Hamate
30
Carpal bone that articulates with trifolar disc
Triquetrum
31
Origin of flexor carpi ulnaris
Bony ridge on posterior ulnar
32
Ligaments and what they limit - Radiohumeral and Ulnohumeral Joints
Capsule Medial/Ulnar Collateral - limits Valgus motion Lateral/Radial Collateral - limits Varus motion
33
Attachments of medial and lateral collateral ligaments of the elbow
Medial Collateral - medial epicondyle to coronoid and olecranon process Lateral Collateral - lateral epicondyle to annular ligament
34
Ligaments of proximal RU joint
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
Bursae of elbow
Olecranon subtendonous bursa: between olecranon and triceps tendon Olecranon subcutaneous bursa
36
Joint classification of Intermediate RU joint
Fibrous syndesmosis, amphiarthrodial joint
37
Fibre direction of interosseous membrane of intermediate RU joint
Superior lateral to infero medial (R-U)
38
Ligaments of distal RU joint
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
Ligaments of radiocarpal joint
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
Name components of palmar radiocarpal ligt and functions
Short radiolunate Long radiolunate Radioscaphocapitate Radiotriquetral Function: limits writs extension Hand to follow radius in supination
41
Name components of dorsal radiocarpal ligament and function
1 ligament Dist radius&radial styloid - lunate and triquetrum Limits wrist flexion Hand to follow radius in pronation
42
Name 3 bands of palmar ulnocarpal ligt and function
Ulnotriquetral Ulnolunate Ulnocapitate Limits extension and controls carpal motion
43
Classification of wrist joint
Biaxial condyloid synovial joint
44
Ligaments of intercarpal joint
1. Capsule - separate from radiocarpal joint capsule 2. Ant radiocarpal ligt 3.Post radiocarpal ligt 4. Medial collateral 5. Lateral collateral 6. Interosseus
45
Classification of intercarpal joints
Nonaxial plane synovial
46
Ligaments of 1st CMC joint
1.Capsule - separate from 2-5 2. Lateral collateral - lat trapezium to base of 1st MC Restrict adduction 3. Ant CMC ligament - ant surfaces of adjacent bones Limits extension 4. Post CMC ligament - post surfaces of adjacent bones Limits hyperflexion 5. Interosseus ligaments - between adjacent bones Limits joint distractions
47
Ligaments of 2-5 CMC joints
Capsule Ant & Post CMC ligaments Interosseus ligaments
48
Classification of intermetacarpal joint
Nonaxial plane synovial
49
Ligaments of MCP Joint
1.Capsule 2. Deep transverse MC ligament - ant surfaces 2-5 MC’s 3. Lateral collateral - fuse with ant capsule Holds volar plate on joint Limits stresses varus 4. Medial collateral - fuse with ant capsule Holds volar plate on joint Limits stresses - valgus 5. 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
Ligaments of PIP and DIP
Capsule Lateral and medial collateral Volar plate / palmar ligament

RMT Term 1 (6 decks)

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