Lecture 12- Wrist Complex

Question 1

How Many Bones are in the Carpals?

Answer 1

Wrist and 8 Bones

Question 2

How Many Bones are in the Metacarpals?

Answer 2

Hand and 5 Bones

Question 3

How Many Bones are in the Phalanges?

Answer 3

Fingers and 14 Bones

Question 4

What type of Joint is the Radiocarpal?

Answer 4

Condyloid (Ellipsoidal) Synovial Joint

Question 5

What is the vascularization of the Radiocarpal Joint?

Answer 5

Articular arteries

Question 6

What type of joint is the Midcarpal Joint?

Answer 6

Intercarpal Joint

Question 7

What is the Vascularization of the Midcarpal Joint?

Answer 7

Articular Arteries

Question 8

What are the innervations of the Midcarpal and Radiocarpal Joint?

Answer 8

• Median, Radial and Ulnar Nerves

Question 9

What type of joint is the Radioulnar Joint?

Answer 9

Pivot Joint

Question 10

What are the vascularizations of the Radioulnar Joint?

Answer 10

Anterior and Posterior Interosseous Arteries

Question 11

What are the Innervations of the Radioulnar Joint?

Answer 11

Anterior and Posterior Interosseous Nerves

Question 12

What bone in forearm is involved in Adduction and to what degree?

Answer 12

Ulnar Deviation (30-45˚)

Question 13

What bone in forearm is involved in Abduction and to what degree?

Answer 13

Radial Deviation (15-25˚)

Question 14

Which joint do Adduction and Abduction mostly occur at?

Answer 14

Midcarpal Joint

Question 15

What artery is in the anatomical snuff-box?

Answer 15

Radial artery

Question 16

Scaphoid Lunate Distal Radius Triquetral

Answer 16

What are the articular surfaces of the Radiocarpal Joint?

Question 17

Some flexion and extension Ulnar Deviation

Answer 17

What are the Related Movements of the Radiocarpal Joint?

Question 18

Scaphoid Lunate Triquetral Trapezoid Capitate Hamate

Answer 18

What are the articular surfaces of the Midcarpal Joint?

Question 19

Some flexion and extension Radial Deviation (Abduction)

Answer 19

What are the related movements of the Midcarpal Joint?

Question 20

Head of the Radius Radial Notch of the Ulna Ulnar Notch of Radius Ulnar Head

Answer 20

What are the articular surfaces of the Radioulnar Joint?

Question 21

Pronation and Supination

Answer 21

What are the related movements of the Radioulnar Joint?

Question 22

40% Radiocarpal Joint 60% Midcarpal Joint

Answer 22

What joints are involved in Flexion? (Percentage)

Question 23

33% Midcarpal Joint 67% Radiocarpal Joint

Answer 23

What joints are involved in Extension? (Percentage)