Joints of Upper Extremity II

Question 1

MCP

Answer 1

metacarpophalangeal joint

Question 2

PIP

Answer 2

proximal interphalangeal joint

Question 3

DIP

Answer 3

distal interphalangeal joint

Question 4

does the mid carpal joint move?

Answer 4

yes!

Question 5

how much flexion occurs at radio carpal joint?

Answer 5

40%, 60 at midcarpal

Question 6

how much extension at radio carpal joint?

Answer 6

67%

Question 7

abduction/ radial deviation ROM?

Answer 7

15-25

Question 8

adduction/ulnar deviation ROM?

Answer 8

30-45

Question 9

where does most of abduction/adduction of wrist occur?

Answer 9

midcarpal joint

Question 10

what forms carpal arch in correct position?

Answer 10

ligaments of carpal bones

Question 11

what are collateral ligaments of phalanges?

Answer 11

ligaments associated with joint capsule of interphalangeal joints

Question 12

where are palmar ligaments?

Answer 12

plate joining 5 joints

Question 13

what allows for uncoupling of flexion and extension of hand?

Answer 13

arrangement of extensor muscles and intrinsic hand muscles that attach to dorsal digital expansion