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PTRS 745 Exam 1 > Wrist and Hand > Flashcards

Flashcards in Wrist and Hand Deck (100)
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1

Joint type: Distal/Proximal radioulnar

Pivot

2

Joint type: Radiocarpal

Diarthrodial ellipspoid

3

Anatomy: stabilizes the RU joint and protects against compressive forces

Triangular fibrocartilage complex (TFCC)

4

Arthrokinematics: Radiocarpal flexion

Carpals glide dorsally

5

Arthrokinematics: Radiocarpal extension

Carpals glide volarly

6

Arthrokinematics: Radiocarpal RD

Carpals glide ulnarly

7

Arthrokinematics: Radiocarpal UD

Carpals glide radially

8

Closed pack position: Radiocarpal

Extension with radial deviation

9

Loose pack position: Radiocarpal

10 wrist flexion and slight UD

10

CPR: Radiocarpal

Equal loss of flexion and extension

11

Content: Intercarpal joint (4)

1. Articulation between proximal and distal rows 2. Articulation between individual carpals 3. Flexion: mid carpal joints 4. Extension: RC joint

12

Joint type: MCP

Diarthrodial condyloid joint

13

Joint type: IP

Hinge joint

14

Arthrokinematics: MCP/IP flexion

surfaces glide volarly

15

Arthrokinematics: MCP/IP extension

surfaces glide dorsally

16

CPR: MCP/IP

Equal loss of flexion/extension

17

Closed pack position: MCP

full flexion

18

Closed pack position: IP

full extension

19

Joint type: CMC Thumb

Saddle/Sellar

20

Arthrokinematics: CMC Thumb flexion

CMC glides volarly/ulnar

21

Arthrokinematics: CMC Thumb extension

CMC glides dorsally/radial

22

Arthrokinematics: CMC Thumb ABD

CMC glides dorsally

23

Arthrokinematics: CMC Thumb ADD

CMC glides volarly

24

T/F: Convex portion of CMC glides in same direction of motion

False: Opposite

25

CPR: CMC Thumb

Limitation of ABD and slight limitation of extension

26

Closed pack postiion: CMC Thumb

Full opposition

27

Loose pack position: CMC Thumb

Midrange Abd/Add and Flexion/Extension

28

Q: Which muscle group is stronger, flexor or extensor?

Flexors

29

Q: Where do IP joints have the most force?

Extension

30

Q: Where do IP joints have the least force?

Flexion