4.4. Joints and Movement of the Hand

Question 1

How many Broad Categories of Joints are there in the Hand?

Answer 1

2

Question 2

What are the Broad Categories of Joints in the Hand?

Answer 2

1. Metacarpophalangeal Joints
2. Interphalangeal Joints

Question 3

What are the Metacarpophalangeal Joints also known as?

Answer 3

Knuckles

Question 4

What type of Joints is the Metacarpophalangeal Joint?

Answer 4

Synovial Condyloid Joint

Question 5

What does the Metacarpopharangeal Joint connect?

Answer 5

1. Metacarpal Bones
2. Proximal Phalanx of each of the 5 Digits

Question 6

How many Sub-Categories of Interphalangeal Joints are there?

Answer 6

2

Question 7

What are the Sub-Categories of the Interphalangeal Joints?

Answer 7

1. Proximal Interphalangeal Joints
2. Distal Interphalangeal Joints

Question 8

1. Which Digit(s) contain both Proximal and Distal Interphalangeal Joints?
2. Which Digit(s) only contain 1 Interphalangeal Joint?

Answer 8

1. Digits 2 - 5 (The 4 Fingers)
2. Digit 1 (The Thumb)

Question 9

What does the Proximal Interphalangeal Joint connect?

Answer 9

1. Proximal Phalanx of Digits 2 - 5
2. Intermediate Phalanx of Digits 2 - 5

Question 10

What does the Distal Interphalangeal Joint connect?

Answer 10

1. Intermediate Phalanx of Digits 2 - 5
2. Distal Phalanx of Digits 2 - 5

Question 11

What type of Joints are the Interphalangeal Joints?

Answer 11

Synovial Hinge Joints

Question 12

What are the 6 movements which the Hand can perform?

Answer 12

1. Flexion of the Digits
2. Extension of the Digits
3. Abduction of the Digits
4. Adduction of the Digits
5. Opposition of the Thumb and Little Finger
6. Reposition of the Thumb and Little Finger

Question 13

At which Joints can Flexion of the Digits occur?

Answer 13

1. Metacarpophalangeal Joints
2. Proximal Interphalangeal Joints
3. Distal Interphalangeal Joints

Question 14

What happens to the Hand as Flexion of the Digits occurs?

Answer 14

This forms a Fist

Question 15

At which Joints can Extension of the Digits occur?

Answer 15

1. Metacarpophalangeal Joints
2. Proximal Interphalangeal Joints
3. Distal Interphalangeal Joints

Question 16

What happens to the Hand as Extension of the Digits occurs?

Answer 16

This Stretches the Hand out Straight

Question 17

What happens to the Hand as Abduction of the Digits occurs?

Answer 17

The Fingers move Away from the Midline

Question 18

What happens to the Hand as Adduction of the Digits occurs?

Answer 18

The Fingers move Towards the Midline

Question 19

What is the Midline of the Hand?

Answer 19

The 3rd Digit (Middle Finger)

Question 20

What happens to the Hand as Opposition of the Thumb and Little Finger occurs?

Answer 20

The Thumb and Little Finger are Brought Together

Question 21

What happens to the Hand as Reposition of the Thumb and Little Finger occurs?

Answer 21

The Thumb and Little Finger are Moved Away from Each Other