Elbow, Wrist, Hand Arthrology

Question 1

What synovial classification is the humeroulnar?

Answer 1

Hinge

Question 2

What synovial classification is humeroradial?

Answer 2

planar/gliding by morphology
hinge/pivot by function

Question 3

What synovial classification is proximal radio-ulnar?

Answer 3

pivot

Question 4

What synovial classification is distal radio-ulnar?

Answer 4

pivot

Question 5

What synovial classification is radiocarpal?

Answer 5

condyloid

Question 6

What synovial classification is 1st carpometacarpal joint?

Answer 6

Saddle/sellar

Question 7

What synovial classification is 2-5th carpometacarpal joints?

Answer 7

planar/gliding

Question 8

What synovial classification is metacarpophalangeal?

Answer 8

condyloid

Question 9

What synovial classification is interphalangeal joints?

Answer 9

hinge

Question 10

Humeroulnar joint
Concave ________
Convex __________

Answer 10

Concave: trochlear notch of ulna
Convex: trochlea of humerus
Ulna moves on humerus (concave on convex)= roll & glide in same direction

Question 11

Humeroradial joint
Concave:
Convex:

Answer 11

Concave: head of radius
Convex: capitulum of humerus
Radius moves on humerus = roll & glide in same direction

Question 12

Proximal radio-ulnar joint
Concave:
Convex:

Answer 12

Concave: radial notch of ulna
Convex: radial head
Radius moves on ulna = rolls & glides in opposite direction

Question 13

Radial head rolls _______ & glides _________ during pronation

Answer 13

anteriorly; posteriorly

Question 14

Radial head rolls _________ & glides ____________ during supination

Answer 14

posteriorly; anteriorly

Question 15

Distal radio-ulnar joint
Concave:
Convex:

Answer 15

Concave: ulnar notch on radius
Convex: head of ulna
Radius moves on ulna = roll & glide in same direction

Question 16

Pronation & supination also require:

Answer 16

rotation of radius (spin) at humeroradial joint in annual ligament

Question 17

What makes up distal radio-ulnar joint?

Answer 17

Head of ulna, TFCC, and ulnar notch of radius

Question 18

What makes up radiocarpal joint?

Answer 18

Radius, TFCC, proximal row of carpals (minus pisiform)

Question 19

Radiocarpal
Convex/concave

Answer 19

Proximal carpal row (convex) on radius & TFCC (concave)
Gliding movement opposite from hand

Question 20

What happens to scaphoid/lunate with radial deviation?

Answer 20

Flexion

Question 21

What happens to proximal row of carpal bones during ulnar deviation?

Answer 21

Extends

Question 22

During radial ab/adduction of 1st CMC joint, the MC rolls & glides in the ________ direction

Answer 22

same

Question 23

During palmar ab/adduction of 1st CMC joint, the MC rolls & glides in the ___________ direction

Answer 23

opposite

Question 24

In the metacarpophalangeal joints 2-5 the phalanx rolls & glides in the ________ direction for all motions

Answer 24

same

Question 25

Interphalangeal joints Convex/concave?

Answer 25

Convex: distal surface of proximal phalanx Concave: proximal surface of distal phalanx

Question 26

During flexion/extension of interphalangeal joints, the phalanx rolls & glides in the __________ direction

Answer 26

same

Question 27

Elbow flexion Primary Mover: Secondary Mover: Antagonist:

Answer 27

Primary Mover: biceps brachii Secondary Mover: brachialis Antagonist: triceps brachii

Question 28

Elbow extension Primary Mover: Secondary Mover: Antagonist:

Answer 28

Primary Mover: triceps brachii Secondary Mover: anconeous Antagonist: biceps brachii

Question 29

Wrist flexion Primary Mover: Secondary Mover: Antagonist:

Answer 29

Primary Mover: flexor carpi radialis/ulnaris Secondary Mover: flexor digitorum profundus/superficialis Antagonist: Extensor carpi radialis longus/brevis

Question 30

Wrist extension Primary Mover: Secondary Mover: Antagonist:

Answer 30

Primary Mover: extensor carpi radialis longus/brevis or extensor carpi ulnaris Secondary Mover: extensor digitorum Antagonist: Flexor carpi radialis/ulnaris

Question 31

Wrist ulnar deviation Primary Mover: Secondary Mover: Antagonist:

Answer 31

Primary Mover: extensor carpi ulnaris and flexor carpi ulnaris Secondary Mover: flexor digitorum profundus/superficialis Antagonist: extensor carpi radialis longus/brevis or abductor pollicis longus

Question 32

Wrist radial deviation Primary Mover: Secondary Mover: Antagonist:

Answer 32

Primary Mover: extensor carpi radialis longus or abductor pollicis longus Secondary Mover: extensor pollicis brevis Antagonist: extensor carpi ulnaris or flexor carpi ulnaris

Question 33

Digit flexion Primary Mover: Secondary Mover: Antagonist:

Answer 33

Primary Mover: flexor digitorum superficialis Secondary Mover: flexor digitorum profundus Antagonist: extensor digitorum

Question 34

Digit extension Primary Mover: Secondary Mover: Antagonist:

Answer 34

Primary Mover: extensor digitorum Secondary Mover: extensor indicis/digiti minimi Antagonist: flexor digitorum superficialis

Question 35

Thumb extension Primary Mover: Secondary Mover: Antagonist:

Answer 35

Primary Mover: extensor pollicis longus Secondary Mover: extensor pollicis brevis Antagonist: flexor pollicis longus

Question 36

Thumb flexion (CMC joint) Primary Mover: Secondary Mover: Antagonist:

Answer 36

Primary Mover: flexor Secondary Mover: Antagonist:

Question 37

concave on convex

Answer 37

same direction

Question 38

convex on concave

Answer 38

opposite direction