Home
Explore
Exams
Search for anything
Login
Get started
Home
Science
Health
Wrist & Hand
5.0
(1)
Rate it
Studied by 10 people
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Card Sorting
1/38
Earn XP
Description and Tags
Health
University/Undergrad
Add tags
Study Analytics
All
Learn
Practice Test
Matching
Spaced Repetition
Name
Mastery
Learn
Test
Matching
Spaced
No study sessions yet.
39 Terms
View all (39)
Star these 39
1
New cards
The ____ fine-tunes hand position
wrist
2
New cards
Radius (landmarks)
\-Body
\-Styloid Process
\-Ulnar Notch
3
New cards
Ulna (landmarks)
\-Body
\-Styloid Process
\-Ulnar Head
4
New cards
How many carpal bones are there?
8 (4 in proximal row, 4 in distal row)
5
New cards
What are the proximal row? (carpal bones)
\-Scaphoid
\-Lunate
\-Triquetrum
\-Pisiform
6
New cards
What are the distal row? (carpal bones)
\-Trapezium
\-Trapezoid
\-Capitate
\-Hamate
7
New cards
How many metacarpal bones are there?
5 (long bones of the hand, # 1-5)
8
New cards
How many phalangeal bones are there?
\-14
\-Thumb (Proximal, Distal)
\-Fingers 2-5 (Proximal, Middle, Distal)
\-Landmarks (Base, Body, Head)
9
New cards
Sesamoid Bones
\-Maybe 1 or 2 sesamoid bones (free floats) on the palmar aspect of 1st MCP joint
\-Typically lie in the opponens pollicus muscle
10
New cards
Distal Radioulnar Joint
\-Head of the ulna articulates with the ulnar notch of the radius
\-Interosseous membrane holds these bones together in the forearm
\-Motions: Pronation/Supination
11
New cards
Radiocarpal Joint
\-Distal radius articulates with proximal carpals (Scaphoid, Lunate, Triquetrum{slight})
\-Motions: Flexion/extension, Radial/ulnar deviation
\-Joint capsule and ligaments stabilize
12
New cards
Triangular Fibrocartilage
\-Ulna is separated from the proximal row of carpals by fibrocartilaginous disc
green part
13
New cards
Midcarpal Joints
\-Joints between adjacent carpal bones
\-Functional joint exists between proximal and distal rows of carpals
\-Gliding motions
\-Dozens of individual ligaments
14
New cards
Carpometacarpal Joints
\-1st MC & Trapezium (Separate joint cavity)
\-2nd MC & Trapezoid
\-3rd MC & Capitate
\-4th MC & Hamate
\-5th MC & Hamate
15
New cards
1st Metacarpophalangeal Joint
\-Extreme Mobility
\-Saddle Joint
\-Flexion/extension
\-Abduction/Adduction
\-Opposition/Reposition
16
New cards
2-5 Metacarpophalangeal Joints
\-Condyloid Joint
\-Flexion/extension
\-Abduction/adduction
17
New cards
Interphalangeal Joints
\-Hinge Joints: Thumb has one IP joint; Fingers each have PIP and DIP joints
\-Flexion/extension
18
New cards
Thenar Eminence
\-Muscle mass on radial side of palm (squishy muscles on palm, thumb side)
* Abductor pollicis brevis
* Flexor pollicis brevis
* Opponens pollicis
* (Pollicis → related to thumb)
19
New cards
Hypothenar Eminence
\-Muscle mass on ulnar side of palm (fat pad on pinky side)
\-Abductor digiti minimi
\-Flexor digiti minimi brevis
\-Opponens digiti minimi
20
New cards
Anatomical Snuffbox
\-Contents → Scaphoid Bone
\-Radial Border → EPB tendon & Abd. PB tendon
\-Ulnar Border → EPL tendon
(PIC: Bottom → EPB tendon, Middle → Abd. PB tendon, Top → EPL tendon
21
New cards
Carpal Tunnel
\-Contents: Median nerve, FPL tendon, 4 tendons of FDS, 5 tendons of FDP
\-Floor: Carpal Bones
\-Roof: Transverse carpal ligament (aka flexor retinaculum)
(PIC: supinated view)
22
New cards
Tunnel of Guyon
\-Contents: Ulnar nerve
\-Borders: Hook of hamate & Pisiform bone
\-Lies superficial to transverse carpal ligament
23
New cards
Muscle which spinate
\-Supinator : O → L. epicondyle; I → Anterior Radius
\-Bicep brachii
24
New cards
Muscles which Pronate
\-Pronator Teres: O → M. epicondyle, I → lateral radius
\-Pronator quadratus
25
New cards
Wrist Extensor Muscles
\-All originate off L. epicondyle via common extensor tendon
* ECRB
* EDC
* ECU
* EDM
* ECRL: O → Humerus, I → 2nd MC
26
New cards
Wrist Flexor Muscles
\-Originate off M. epicondyle via common flexor tendon
* FCR
* Flexor Digitorum Superficialis
* Palmaris Longus
* FCU
* Flexor Digitorum profundus: O → Proximal ulna, I → distal phalanges of 4 fingers
27
New cards
Radial Deviation Muscles (moving toward thumb)
\-FCR
\-ECRB
\-ECRL
\-Abductor pollicus longus
\-Extensor pollicus longus
\-Extensor pollicus brevis
28
New cards
Ulnar Deviation Muscles
\-FCU
\-ECU
29
New cards
Finger (2-5) Extensor Muscles
\-EDC → all
\-Extensor indices → 2nd only
\-Extensor digiti minimi → 5th only
\-Lumbricals → IP joints only, place writing position
30
New cards
Finger (2-5) Flexor Muscles
\-MCP joints: Lumbricals, FDS
\-PIP joints: FDS
DIP joints: FDP
31
New cards
Finger (2-5) Abduction & Adduction Muscles
\-MCP joints
* Dorsal interossei
* ABD
* Palmar interossei
* ADD
32
New cards
Thumb Extensor Muscles
\-EPL
\-EPB
33
New cards
Thumb Flexor Muscles
\-FPL
\-FPB
34
New cards
Thumb Abductor Muscles
\-APL
\-APB
35
New cards
Thumb Adductor Muscles
\-Adductor Pollicus
36
New cards
Thumb Opposition Muscles
\-Opponens Pollicus
37
New cards
Thumb Reposition Muscles
\-EPL
\-EFB
\-APL
\-APB
38
New cards
Nerve Supply
\-Ulnar Nerve
\-Median Nerve
\-Radial Nerve
39
New cards
Functional Movements of Wrist & Hand
\-Strength of Grip
* Males grip strength on average 2× greater than females of similar age.
* Studies vary, but overall, \~6% stronger grip on dominant side.
Explore top notes
Chapter 1: Introduction and Mathematical Concepts
Updated 739d ago
Note
Preview
Supply, Demand, and Equilibrium
Updated 975d ago
Note
Preview
Breathing and Exchange of Gases
Updated 933d ago
Note
Preview
Unit 1: Chemistry of Life
Updated 265d ago
Note
Preview
Crime and Society
Updated 957d ago
Note
Preview
Federalists and Anti-Federalists Readings
Updated 593d ago
Note
Preview
Ionic & Covalent Bonding
Updated 837d ago
Note
Preview
2.2 - Chemical Reactions and Enzymes
Updated 803d ago
Note
Preview
Explore top flashcards
NeuroImaging
Updated 671d ago
Flashcards (30)
Preview
2-4's Multiplication Tables
Updated 850d ago
Flashcards (29)
Preview
AP Lang: Midterm Terms
Updated 139d ago
Flashcards (38)
Preview
Unit 2 Key Terms
Updated 955d ago
Flashcards (34)
Preview
2.2 Flashcards
Updated 942d ago
Flashcards (46)
Preview
Vocabulario Literario
Updated 261d ago
Flashcards (33)
Preview
vocab three test
Updated 100d ago
Flashcards (24)
Preview
La Casa
Updated 575d ago
Flashcards (84)
Preview