radioulnar, wrist and hand joints

Question 1

what type of joint is proximal radioulnar joint

Answer 1

pivot type of synovial joint

Question 2

articulates with head of radius in PRU joint

Answer 2

articulates with radial notch of ulna in PRU joint

Question 3

annular ligament forms?

Answer 3

osteo-ligamentous ring

Question 4

blood supply to proximal radioulnar joint

Answer 4

anterior and posterior interosseus arteries

Question 5

proximal radioulnar joint innervated by

Answer 5

musculocutaneous, median, radial and ulnar nerves

Question 6

what type of joint is distal radioulnar joint

Answer 6

pivot type synovial joint

Question 7

articulates with distal head of ulna in DRU joint

Answer 7

articulates with ulnar notch of radius in DRU joint

Question 8

blood supply to distal radioulnar joint

Answer 8

anterior/posterior interosseus arteries

Question 9

innervation of distal radioulnar joint

Answer 9

anterior/posterior interosseus nerves

Question 10

when palm is supinated radius and ulna are

Answer 10

parallel

Question 11

when palm is pronated radius and ulna are?

Answer 11

crossed over each other
form X shape

Question 12

what bone stabilises the forearm

Answer 12

ulna

Question 13

is ulna lateral or medial?

Answer 13

medial

Question 14

which of ulna and radius pivot around which

Answer 14

radius pivots around ulna

Question 14

is radius lateral or medial?

Answer 14

lateral

Question 15

what joints move when rotating palm?

Answer 15

proximal and distal radioulnar joints

Question 16

pronation/supination action at the elbow

Answer 16

superior articular surface of radial head spins on capitulum

Question 17

pronation/supination action at PRU joint

Answer 17

radial head slides against radial notch of ulna and adjacent areas of the joint capsule and anular ligament

Question 18

pronation/supination action at DRU joint

Answer 18

ulnar notch of radius slides anteriorly over convex surface of head of ulna

Question 19

what holds radius and ulna together during supination/pronation at PRU joint?

Answer 19

anular ligament of the radius

Question 20

what holds the lengths radius and ulna together during supination/pronation?

Answer 20

interosseus membrane

Question 21

what holds radius and ulna together during supination/pronation at DRU joint?

Answer 21

articular disc

Question 22

muscles used in supination

Answer 22

supinator and biceps brachii (most effective at supination when arm bent)

Question 23

muscles of pronation

Answer 23

pronator teres and pronator quadratus

Question 24

what carpal bones articulate with radius to form wrist joint?

Answer 24

scaphoid and lunate

Question 25

radiocarpal joint =

Answer 25

wrist joint =

Question 26

what strengthens capsule of wrist

Answer 26

ulnar and radial collateral ligaments

Question 27

ulnar deviation

Answer 27

adduction

Question 28

radial deviation

Answer 28

abduction

Question 29

what type of joint is the wrist?

Answer 29

ellipsoid synovial (condyloid)

Question 30

location of wrist

Answer 30

- distal end of radius - articular disc at distal end of ulna - scaphoid and lunate

Question 31

what is the midcarpal joint

Answer 31

joint between proximal and distal rows of carpal bones

Question 32

carpal bones form?

Answer 32

carpal arch

Question 33

what fills the carpal arch

Answer 33

carpal tunnel

Question 34

carpal bones of medial side of carpal arch

Answer 34

pisiform and hamate

Question 35

carpal bones of lateral side of carpal arch

Answer 35

scaphoid and trapezium

Question 36

anterior wall of carpal tunnel

Answer 36

flexor retinaculum

Question 37

nerve passing down carpal tunnel

Answer 37

median nerve

Question 38

what is/causes carpal tunnel syndrome

Answer 38

entrapment of median nerve within carpal tunnel

Question 39

potential causes of carpal tunnel

Answer 39

overuse swelling of tendons and tendon sheaths cysts arising for carpal joints

Question 40

symptoms of carpal tunnel syndrome

Answer 40

- numbness - tingling - wasting of thenar muscles

Question 41

therapy for carpal tunnel syndrome

Answer 41

- splinting - anti-inflammatories - surgery

Question 42

carpometacarpal joints

Answer 42

articulation of carpal bones with base of metacarpals

Question 43

intermetacarpal joints

Answer 43

articulation between metacarpals

Question 44

metacarpophalangeal joints

Answer 44

articulations of heads of metacarpals with proximal phalanges

Question 45

metacarpal fracture

Answer 45

boxers/brawlers fracture

Question 46

carpometacarpal joint type

Answer 46

saddle joint

Question 47

metacarpophalangeal joint type

Answer 47

condylar/ellipsoid/ovoid

Question 48

reinforcement of joint capsule of MCP joint

Answer 48

palmar ligament and medial and lateral collateral ligaments

Question 49

what do deep transverse metacarpal ligaments do

Answer 49

connect the palmar ligaments together restrict movement of bones relative to each other

Question 50

interphalangeal joint type

Answer 50

uniaxial hinge joints

Question 51

reinforcement of IP joints

Answer 51

medial and lateral collateral ligaments and palmar ligaments