Arthrology (UE)

Question 1

Coracoclavicular (function)

Answer 1

stabilizes acromioclavicular joint limiting medial displacement, protraction and elevation of the clavicle (trapezoid + conoid)

Question 2

Trapezoid (attachments)

Answer 2

from coracoid process to trapezoid line of clavicle

Question 3

Conoid (attachments)

Answer 3

from coracoid process to conoid tubercle of clavicle

Question 4

Acromioclavicular (attachments)

Answer 4

superior aspect of acromial end of clavicle to adjacent acromion

Question 5

Acromioclavicular (function)

Answer 5

stabilizes acromioclavicular joint

Question 6

Coracoacromial (function)

Answer 6

prevents superior displacement of humeral head by forming the coracoacromial arch

Question 7

Coracoacromial (attachments)

Answer 7

from lateral border of coracoid process to acromion adjacent to clavicular articulation

Question 8

Coracohumeral (function)

Answer 8

reinforces superoanterior aspects of the GHJ capsule

Question 9

Coracohumeral (attachments)

Answer 9

from base of coracoid process to anterior aspect of greater tubercle

Question 10

Superior transverse scapular (function + attachments)

Answer 10

Closes off the suprascapular notch. from base of coracoid process to the medial edge of the scapular notch

Question 11

Glenoid Capsule (attachments)

Answer 11

from the circumference of the rim of the glenoid fossa to the anatomical neck of the humerus

Question 12

Glenohumeral (general function)

Answer 12

stabilizes glenohumeral articulation

Question 13

Superior glenohumeral (function)

Answer 13

Resists inferior glide of humerus on glenoid at 0 degrees of abduction

Question 14

Middle Glenohumeral ligament (function)

Answer 14

Resists anterior glide of humerus on glenoid and limits external rotation with humerus at 45 degrees abduction

Question 15

Inferior Glenohumeral Ligament Complex (function)

Answer 15

Resists inferior glide of humerus on glenoid fossa, limits humeral abduction, limits external rotation of humerus at 90 degrees of abduction

Question 16

Glenohumeral (attachments)

Answer 16

from upper part of medial margin of glenoid cavity to lesser tubercle and anatomical neck

Question 17

Ulnar Collateral of elbow (function)

Answer 17

resists excessive cubital valgus

Question 18

Ulnar Collateral of elbow (attachments)

Answer 18

from medial epicondyle of humerus to margin of coronoid process and olecranon process

Question 19

Radial Collateral of elbow (function)

Answer 19

resists excessive cubital varus

Question 20

Radial Collateral of elbow (attachments)

Answer 20

lateral epicondyle to annular ligament

Question 21

Annular (function)

Answer 21

stabilizes proximal radioulnar joint

Question 22

Annular (attachments)

Answer 22

from anterior margin of radial notch to posterior margin of radial notch surrounding head of radius

Question 23

Interosseous membrane (attachments)

Answer 23

from interosseous border of radius to interosseous border of ulna

Question 24

Transverse Carpal (function)

Answer 24

Prevents bowstringing of the tendons of the flexor pollicic longus, flexor digitorum superficialis, flexor digitorum profundus,

Question 25

Transverse Carpal (attachments)

Answer 25

from pisiform and hook of the hamate to scaphoid and trapezium

Question 26

Radiocarpal ligaments (function)

Answer 26

stabilize carpal bones on the radius

Question 27

Radiocarpal ligaments (attachments)

Answer 27

dorsal and palmar surface of the distal radius to the first two rows of the carpal bones

Question 28

Radial Collateral of the wrist (function)

Answer 28

restrain/limit wrist ulnar deviation

Question 29

Radial Collateral of the wrist (attachments)

Answer 29

radial styloid process to the scaphoid

Question 30

Ulnar collateral of the wrist (function)

Answer 30

restrain/limit wrist ulnar deviation

Question 31

Ulnar collateral of the wrist (attachments)

Answer 31

ulnar styloid process to triquetrum

Question 32

Collateral ligaments of the metacarpophalangeal joints (function)

Answer 32

Stabilizes metacarpophalangeal joints

Question 33

Collateral ligaments of the metacarpophalangeal joints (attachments)

Answer 33

From head of the metacarpals to base of adjacent proximal phalanx

Question 34

Triangular Fibrocartilage Complex (TFCC) - function

Answer 34

stabilize distal radio-ulnar and ulocarpal joints, form concavity on the ulnar side of the wrist AND transfer compressive force from hand/wrist to forearm

Question 35

Triangular Fibrocartilage Complex (TFCC) - components

Answer 35

1- biconcave fibrocartilage disc
2- palmar ulnocarpal ligament
3-Ulnar collateral ligament

Question 36

Sternoclavicular (synovial classification)

Answer 36

Sellar/saddle

Question 37

Acromioclavicular (synovial classification)

Answer 37

plane or gliding

Question 38

Glenohumeral (synovial classification)

Answer 38

ball & socket

Question 39

Scapulothoracic (synovial classification)

Answer 39

psuedo joint necessary for full GH function

Question 40

Humeroulnar (synovial classification)

Answer 40

Hinge

Question 41

Proximal radio-ulnar (synovial classification)

Answer 41

Pivot or trochoid

Question 42

Humeroradial (synovial classification)

Answer 42

Plane/ gliding morphology, hinge/pivot by function

Question 43

Distal radio-ulnar (synovial classification)

Answer 43

pivot or trochoid

Question 44

Radiocarpal (synovial classification)

Answer 44

ellipsoidal or condyloid

Question 45

Carpometacarpal (1st) (synovial classification)

Answer 45

Sellar/saddle

Question 46

Carpometacarpal (2nd-5th) (synovial classification)

Answer 46

plane/gliding

Question 47

Metacarpophalangeal (synovial classification)

Answer 47

ellipsoidal or condyloid

Question 48

Interphalangeal (synovial classification)

Answer 48

hinge