UE specific joints- wrist

Question 1

what articulations (2) form the wrist complex?

Answer 1

radiocarpal joint
midcarpal joint

Question 2

what wrist articulation attaches the hand to the forearm?

Answer 2

radiocarpal joint

Question 3

what wrist articulation is formed by the articulations of the proximal and distal row of carpals?

Answer 3

midcarpal joint

Question 4

what is the proximal joint surface of the radiocarpal joint of the wrist formed by?

Answer 4

distal radius
radioulnar articular disc

Question 5

what structures does the radioulnar articular disc (part of the proximal joint surface of the radiocarpal joint of the wrist) connect?

Answer 5

medial aspect of distal radius to distal ulna

Question 6

what is the distal joint surface of the radiocarpal joint of the wrist formed by?

Answer 6

scaphoid
lunate
triquetrium

Question 7

how many degrees of freedom does the radiocarpal joint of the wrist have?

Answer 7

2

Question 8

what is the radiocarpal joint of the wrist encased in?

Answer 8

a strong capsule reinforced by numerous ligaments shared with the midcarpal joint of the wrist

Question 9

what is the capsular pattern of the radiocarpal joint?

Answer 9

flexion and extension equally limited

Question 10

what is the loose packed position of the radiocarpal joint of the wrist?

Answer 10

neutral with slight ulnar deviation

Question 11

what is the close packed position of the radiocarpal joint of the wrist?

Answer 11

extension with radial deviation

Question 12

motion in the wrist results in complex motion between the proximal and distal carpal rows, with the exception of the __, that form the midcarpal joint of the wrist

Answer 12

pisiform

Question 13

the joint surfaces of the proximal and distal carpal rows that make up the midcarpal joint of the wrist are reciprocally __ and __ in shape

Answer 13

convex and concave