Arthrology & Ligaments of the Hand

Question 1

A natural anterior concavity formed by the carpal bones combined with the flexor retinaculum that creates a tunnel through which structures pass.

Answer 1

Carpal Tunnel

Question 2

Attaches laterally to the tubercles of the scaphoid and trapezium, as well as medially to the hook of hamate and pisiform.

Answer 2

Flexor Retinaculum

Question 3

There are __ metacarpal bones in the hand and each has a ________ base, shaft and ______ head.

Answer 3

5
Proximal
Distal

Question 4

There are ___ phalangeal bones in the hand and each has a ________ base, shaft and ______ head (expect for the _____ ).

Answer 4

14
Proximal
Distal
Thumb

Question 5

The distal radius and the articular disc of the the distal radioulnar joint articulate with the proximal row of carpal bones (scaphoid, lunate and triquetrum).

Answer 5

Radiocarpal Joint

Question 6

What type of joint is the radiocarpal joint?

Answer 6

Synovial Condyloid Joint

Question 7

What 5 movements can occur at the radiocarpal joint?

Answer 7

1) Flexion
2) Extension
3) Abduction (aka. Radial Deviation)
4) Adduction (aka. Ulnar Deviation)
5) Circumduction

Question 8

Ligaments that run from the distal radius to the carpal bones on the palmar and dorsal surfaces of the wrist. They help to stabilize the distal radius by working with deeper muscles and the interosseous membrane.

Answer 8

Palmar & Dorsal Radiocarpal Ligaments

Question 9

The ulna articulates with the articular disc, which articulates with the triquetrum. Primarily involved with pronation and supination, during which the disc moves around the distal end of the ulna.

Answer 9

Ulnomeniscotriquetral Joint

Question 10

What type of joint is the ulnomeniscotriquetral joint?

Answer 10

Functional Synovial Joint

Question 11

The proximal row of carpals articulates with the distal row of carpals. Gliding movements help to increase the range of wrist _______ and _________.

Answer 11

Midcarpal Joint
Flexion
Extension

Question 12

What type of joint is the midcarpal joint?

Answer 12

Synovial Plane Joint

Question 13

Ligaments that run between the carpal bones on the palmar and dorsal surfaces of the hand.

Answer 13

Palmar & Dorsal Intercarpal Ligaments

Question 14

The articulations between the carpal bones.

Answer 14

Intercarpal Joints

Question 15

What type of joint are the intercarpal joints?

Answer 15

Synovial Plane Joints

Question 16

Small ligamentous support running between the carpal bones.

Answer 16

Interosseous Intercarpal Ligaments

Question 17

The distal row of carpals articulate with the proximal row of metacarpals.

Answer 17

Carpometacarpal (CMC) Joints

Question 18

The trapezium articulates with the base of the first metacarpal.

Answer 18

1st Carpometacarpal Joint

Question 19

What type of joint is the 1st CMC joint?

Answer 19

Synovial Saddle Joint

Question 20

What are the 6 available movements at the 1st CMC joint?

Answer 20

1) Flexion
2) Extension
3) Abduction
4) Adduction
5) Circumduction
6) Opposition

Question 21

Movement that takes the thumb medially along the coronal plane towards the other fingers.

Answer 21

Flexion

Question 22

Movement that takes the thumb laterally along the coronal plane away from the other fingers.

Answer 22

Extension

Question 23

Movement that takes the thumb along the sagittal plane away from the palm.

Answer 23

Abduction

Question 24

Movement that takes the thumb along the sagittal plane towards the palm.

Answer 24

Adduction

Question 25

Movement by which the first digit pad (thumb) is brought to another digit pad.

Answer 25

Opposition

Question 26

The distal row of carpal bones articulate with the bases of the 2nd-5th metacarpals.

Answer 26

2nd-5th Carpometacarpal Joints

Question 27

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

Answer 27

Synovial Plane Joints

Question 28

What 3 types of ligaments exist for the carpometacarpal joints?

Answer 28

1) Dorsal Carpometacarpal Ligaments
2) Palmar Carpometacarpal Ligaments
3) Interossesous Carpometacarpal Ligaments

Question 29

The articulations between the bases of the medial 4 metacarpals.

Answer 29

Intermetacarpal Joints

Question 30

What type of joint are the intermetacarpal joints?

Answer 30

Synovial Plane Joints

Question 31

There are ____________ intermetacarpal ligaments.

Answer 31

Interosseous

Question 32

A ligament between the heads of the 4 medial metacarpals that holds them together and runs across the knuckles.

Answer 32

Deep Transverse Metacarpal Ligament

Question 33

The heads of the metacarpals articulate with the bases of the proximal phalanges.

Answer 33

Metacarpophalangeal Joints

Question 34

What type of joint are the metacarpophalangeal joints?

Answer 34

Synovial Condyloid Joint

Question 35

What 4 movements are available at the metacarpophalangeal joints?

Answer 35

1) Flexion
2) Extension
3) Abduction
4) Adduction

Question 36

The reference point for abduction and adduction of the fingers is the ___ finger.

Answer 36

3rd

Question 37

What 3 types of ligaments exist for the metacarpophalangeal joints?

Answer 37

1) Medial Collateral Ligaments
2) Lateral Collateral Ligaments
3) Palmar Ligaments (aka. Palmar Plates)

Question 38

The head of the proximal phalanx articulates with the base of the next distal phalanx.

Answer 38

Interphalangeal Joints

Question 39

What type of joint are the interphalangeal joints?

Answer 39

Synovial Hinge Joints

Question 40

What 2 movements are available at the interphalangeal joints?

Answer 40

1) Flexion
2) Extension

Question 41

What 2 types of ligaments exist for the interphalangeal joints?

Answer 41

1) Medial Collateral Ligaments
2) Lateral Collateral Ligaments