Identify the basic plan of the carpus, hand and fingers, noting in particular the detail of the scaphoid and lunate bones

Question 1

What bone is sue pointing at?

Answer 1

1st metacarpal

Question 2

What is Sue pointing at?

Answer 2

The styloid processes of the radius and ulna

Question 3

Where are proximal interphalangeal joints located?

Answer 3

Between the proximal phalanx and middle phalanx of the digits

Question 4

What carpus bone is sue pointing at?

Answer 4

trapezium

Question 5

What bones are distal to the metacarpals?

Answer 5

Phalanges

Question 6

Where are interphalangeal joints located?

Answer 6

Between phalangeals

Question 7

What bones occupy the distal row of the carpus?

Answer 7

1. Trapezium
2. Trapezoid
3. Capitate
4. Hamate

Question 8

Which joints articulates the carpus bones to the metacarpal bones?

Answer 8

carpo-metacarpal joints

Question 9

What is the purpose of the pisiform bone?

Answer 9

• sits within the tendon of flexor carpi ulnaris
• helps lift the tendon away from other carpal bones

Question 10

Why is the radius much bigger at the distal end than it is at the proximal end?

Answer 10

The radius is what articulates with the hand.

Question 11

Which joints articulate the metacarpals and phalangeals?

Answer 11

metacarpo-phalangeal joints

Question 12

What is sue pointing at?

Answer 12

The dorsal tubercle of the radius

(Lister’s tubercle)

Question 13

What shape is the Lunate?

Answer 13

Crescent/moon shaped

Question 14

What joint does the radius (and ulna) form with the carpal bones of the wrist?

Answer 14

The condyloid joint

Question 15

What bone is sue pointing at?

Answer 15

3rd metacarpal

Question 16

When referring to the anatomy of the distal forearm and hand, what terms do we use instead of “median and lateral”?

Why are they replaced?

Answer 16

lateral side: radial side

median side: ulna side

due to supination and pronation

Question 17

What carpus bone is under the thumb?

Answer 17

Trapezium is under the thumb

Question 18

What carpus bone is sue pointing at?

Answer 18

Triquetral

Question 19

What carpal bone is sue pointing at?

Answer 19

Lunate

Question 20

What bone is sue pointing at?

Answer 20

5th metacarpal

Question 21

What carpus bone is sue pointing at?

Answer 21

Pisiform

(on top of triquetral)

Question 22

What bones are distal to the carpal bones?

Answer 22

Metacarpals

Question 23

How many phalanges make up digits 2-5

Answer 23

3

(proximal, middle, distal)

Question 24

What movements occur at the metacarpo-phalangeal joints?

Answer 24

flexion

extension

abduction

adduction

Question 25

What bones occupy the proximal row of the carpus bones?

Answer 25

1. Triquetral
2. Pisiform
3. Lunate
4. Scaphoid

Question 26

What carpus bone is sue pointing at?

Answer 26

Hamate

Question 27

How many phalanges make up the thumb?

Answer 27

2

(proximal and distal)

Question 28

What carpus bone is sue pointing at?

Answer 28

Trapezoid

(in a west country accent: “trapezoid insoid (inside)”)

Question 29

What part of the scaphoid is sue pointing at?

Answer 29

The neck of scaphoid

Question 30

What 4 movements does the condyloid joint allow?

Answer 30

1. flexion
2. extension
3. adduction
4. abduction

Question 31

What are the carpal bones divided into?

Answer 31

the proximal row

the distal row

Question 32

What joints do you find in the thumb?

Answer 32

1. 1st metacarpophalangeal joint
2. interphalangeal joint

Question 33

What carpal bone is sue pointing at?

Answer 33

The scaphoid

Question 34

What is the purpose of lister’s tubercle?

Answer 34

Groove allows for the tendon of extensor digitorum to pass through

Question 35

What carpus bone is Sue pointing at?

Answer 35

Capitate

Question 36

Where are the distal interphalangeal joints located?

Answer 36

Between the middle phalanx and distal phalanx of the digits

Question 37

What is singular for phalanges?

Answer 37

phalanx