kinesiology wrist and hand

Question 1

What is the closed pack position of the radiocarpal joint?

Answer 1

Full extension with radial deviation

Question 2

What is the capsular pattern of the radiocarpal joint?

Answer 2

Flexion = extension

Question 3

What typical dislocation occurs in the radiocarpal joint?

Answer 3

Lunate moves anteriorly into carpal tunnel; most carpals move posteriorly

Question 4

What type of joint is the radiocarpal joint?

Answer 4

Biaxial condyloid synovial

Question 5

Which collateral ligament is stronger in the radiocarpal joint?

Answer 5

Radial/lateral collateral ligament

Question 6

What is the closed pack position of the midcarpal joint?

Answer 6

Extension with radial deviation

Question 7

What is the capsular pattern of the midcarpal joint?

Answer 7

Flexion = extension

Question 8

What typical dislocation occurs in the midcarpal joint?

Answer 8

Most carpals dislocate posteriorly

Question 9

What type of joint is the midcarpal joint?

Answer 9

Non-axial plane synovial joint

Question 10

In the midcarpal joint, which direction does the distal row move during radial deviation?

Answer 10

Toward the side of deviation

Question 11

What is the maximum deviation achieved with the wrist in?

Answer 11

Neutral flexion – extension

Question 12

How many joints are there to consider in the hand?

Answer 12

Three

Question 13

List the three joints of the hand.

Answer 13

• Carpometacarpal
• Metacarpophalangeal
• Interphalangeal

Question 14

What is the closed pack position of the carpometacarpal joint for the thumb?

Answer 14

Full opposition

Question 15

What is the closed pack position of the carpometacarpal joint for the digits?

Answer 15

Full flexion

Question 16

What is the capsular pattern of the carpometacarpal joint for the thumb?

Answer 16

Abduction > extension

Question 17

What is the capsular pattern of the carpometacarpal joint for the digits?

Answer 17

All motions equally

Question 18

What is the typical dislocation of the carpometacarpal joint?

Answer 18

Uncommon, carpal dislocation or metacarpal fracture

Question 19

What type of joint is the 1st carpometacarpal joint?

Answer 19

Biaxial saddle synovial

Question 20

What does the incongruence at the 1st carpometacarpal joint account for?

Answer 20

Increased incidence of osteoarthritis

Question 21

Name the main ligaments of the 1st carpometacarpal joint.

Answer 21

• Lateral collateral ligament
• Anterior CMC ligament
• Posterior CMC ligament
• Interosseous CMC ligaments

Question 22

What type of joint are the 2nd to 5th carpometacarpal joints?

Answer 22

Plane synovial (2nd - 4th) and saddle synovial (5th)

Question 23

What is the closed pack position of the metacarpophalangeal joint for the thumb?

Answer 23

Full opposition

Question 24

What is the closed pack position of the metacarpophalangeal joint for the digits?

Answer 24

Full flexion

Question 25

What is the capsular pattern of the metacarpophalangeal joint?

Answer 25

Flexion > extension

Question 26

What is the typical dislocation of the metacarpophalangeal joint?

Answer 26

Proximal phalanx moves posterosuperior; 2nd and 5th digits are most commonly dislocated

Question 27

What is the closed pack position of the interphalangeal joints?

Answer 27

Full extension

Question 28

What is the capsular pattern of the interphalangeal joints?

Answer 28

Flexion > extension

Question 29

What is the typical dislocation of the interphalangeal joints?

Answer 29

Posterior displacement of the phalanx

Question 30

What type of joint are the interphalangeal joints?

Answer 30

Hinge synovial

Question 31

What is the main ligament associated with the interphalangeal joints?

Answer 31

Volar fibrocartilagenous plate

Question 32

What is involved in a power grip?

Answer 32

Flexion of all fingers

Question 33

What is precision handling?

Answer 33

Fingers and thumb grasp an object with the objective of manipulating

Question 34

1st CMC joint Flexion/Extension, slide and glide occur..

Answer 34

concave on convex: same direction

Question 35

1st CMC joint ab/adduction, slide and glide occur..

Answer 35

Convex on concave: opposite direction

Question 36

5th CMC joint Flex/extension, slide and glide occur..

Answer 36

Concave on convex: same direction

Question 37

5th CMC joint ab/adduction, slide and glide occur..

Answer 37

Convex on concave: opposite direction

Question 38

MCP and IPs joint flex/extension, slide glide occur..

Answer 38

Same direction

Question 39

PREHENSION

Answer 39

refers to activities of the hand involving grasping or taking hold of an object between any two surfaces in the hand; the thumb may or may not participate

Question 40

_______ are more powerful MCP flexors, ________ are stronger IP extensors

Answer 40

interossei : MCP flex lumbricals IP extensor