Wrist

Question 0

Where is the Radiocarpal Joint Located?

Answer 0

Proximally: Distal end of the RADIUS
RADIOULNER DISK

Distally: Scaphoid
Lunate
Triquetrum

Question 1

List the joints that are found in the carpals (wrist)?

Answer 1

Radiocarpal

Midcarpal

Question 2

What motions occur in the BIAXIAL of the RADIOCARPAL Joint?

Answer 2

Flexion - Extension
Radial - Ulnar Deviation
Circumduction

Question 3

Where is the MIDCARPAL (Intercarpal) Joint located?

Answer 3

Between the two rows of carpals.

Question 4

What movement occurs at the nonaxial of the Midcarpal Joint?

Answer 4

Gliding Motion

*No access of rotation

Question 5

The Radiocarpal is what type(s) of joint(s)?

Answer 5

Synovial
Condyloid
Biaxial

Question 6

The Midcarpal is what type(s) of joint(s)?

Answer 6

Irregular

Nonaxial

Question 7

What is the normal degree of wrist flexion?

Answer 7

90 degrees

Question 8

What is considered to be normal degrees for wrist extension?

Answer 8

70 degrees

Question 9

What is considered to be the normal degrees for wrist Ulnar Deviation?

Answer 9

35 degrees

Question 10

What is considered to be the normal number of degrees for Radial Deviation of the wrist?

Answer 10

25 degrees

Question 11

What are the names of the carpals in the proximal row (lateral to medial)?

Answer 11

Pisiform
Triquetrum
Lunate
Scaphoid

Question 12

What are the names of the carpals in the Distal row (lateral to medial)?

Answer 12

Hamate
Capitate
Trapezoid
Trapezium

Question 13

Where is the Styloid Process located??

Answer 13

Distal, Lateral Radius

Question 14

Where is the Hook of the Hamate located?

Answer 14

Anterior surface of Hamate

Question 15

Which Bony Landmark is common for FLEXOR Tendon Attachment?

Answer 15

Medial Epicondyle

Question 16

Which Bony Landmark is common for EXTENSOR Tendon Attachment?

Answer 16

Lateral Epicondyle

Question 17

Which Bony Landmark is common for EXTENSOR CARPI RADIALIS LONGUS Attachment?

Answer 17

Supracondylar Ridge

Question 18

What are the 4 basic ligaments of the radiocarpal joint?

Answer 18

Radial Collateral
Ulnar Collateral
Palmer Radiocarpal
Dorsal Radiocarpal

Question 19

Where does the Radial Collateral Ligament attach?

Answer 19

Styloid Process of Radius

Scaphoid and Trapezium Bones

Question 20

What does the Radial Collateral Ligament do?

Answer 20

Provides Lateral support to the Wrist

Question 21

Where does the Ulnar Collateral Ligament attach?

Answer 21

Styloid Process of the Ulna

Pisiform & Triquetrum Bones

Question 22

What does the Ulnar Collateral Ligament do?

Answer 22

Provides Medial support to the Wrist

Question 23

Where does the Palmar Radiocarpal Ligament attach?

Answer 23

Anterior Distal Radius and Ulna

Anterior surface of Scaphoid, Lunate & Triquetrum Bones

Question 24

What does the Palmar Radiocarpal Ligament do?

Answer 24

Important for Wrist Extension.

Question 25

Where does the Dorsal Radiocarpal Ligament attach?

Answer 25

Posterior Surface of Distal Radius to Posterior Surface of Scaphoid, Lunate & Triquetrium

Question 26

What does the Dorsal Radiocarpal Ligament do?

Answer 26

Limits Wrist Flexion.

Question 27

Where is the joint capsule located?

Answer 27

It encloses the radiocarpal joint

Question 28

What do the Joint Capsule and Articular Disk do?

Answer 28

They act as shock absorbers and filler.

Question 29

What is another term for Palmar Aponeurosis?

Answer 29

Palmar Fascia

Question 30

What are the ANTERIOR Muscles of the Wrist?

Answer 30

Flexor Carpi Ulnaris Flexor Carpi Radialis Pulmaris Longus

Question 31

What are the POSTERIOR Muscles of the Wrist?

Answer 31

Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Carpi Ulnaris

Question 32

What are the two common PROXIMAL Attachments?

Answer 32

Wrist Flexors: Medial Epicondyle | Wrist Extensors: Lateral Epicondyle (most)

Question 33

What is the Distal attachment or insertion for the muscles of the wrist?

Answer 33

The Metacarpals

Question 34

What muscles aide in FLEXION?

Answer 34

Flexor Carpi Radialis | Flexor Carpi Ulnaris

Question 35

What muscles aide in EXTENSION?

Answer 35

Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Carpi Ulnaris

Question 36

What muscles aide in RADIAL DEVIATION?

Answer 36

Flexor Carpi Radialis | Extensor Carpi Radialis Longus

Question 37

What muscles aide in ULNAR DEVIATION?

Answer 37

Flexor Carpi Ulnaris | Extensor Carpi Ulnaris

Question 38

Posterior Muscles are associated with what nerve? Anterior Muscles Radially are associated with what nerve? Anterior Muscles Ulnarly are associated with what nerve?

Answer 38

Radial Medial Ulnar