The hand

Question 1

List the Carpals

Answer 1

Triquetrium.lunate, scaphoid, pisiform, hamate, capitate, trapazoid, trapezium

Question 2

Ulnar nerve controls what in the hand

Answer 2

Controls the interossie
4-5 lumbricals
flexor digitorium profundus

Question 3

Boutonnier Deformity

Answer 3

Hyper extension at the DIP and Flexion at the PIP

Question 4

What is Swan Neck Deformity

Answer 4

Hyper extension of PIP
Flexion of DIP
Usually as a result of volar (palmar) PIP

Question 5

Explain intrinsic vs Extrinsic in the hand

Answer 5

Intrinsic- muscles that start and end in the hand

Extrinsic- Muscles that start outside the hand, but end within the hand

Question 6

Claw hand is

Answer 6

4-5 digit affected
flexion of PIP and DIP Extension of MCP
Ulnar never injury

Question 7

Wrist Drop

Answer 7

A high injury to the radial nerve

Extensor Digitorum communis and major extensors of the wrist are rendered useless

Question 8

What is Dupuytrens Disease

Answer 8

imbalance of collagen turn over
fascia tentsion
4-5 are affected

Question 9

The median nerve controls what in the hand

Answer 9

passes through the carpal tunnel
sensation to forearm front and 1/2 4th digit
flexors of the forearm
largest % of pain fibers

Question 10

The radial nerve controls what

Answer 10

• goes through dorsal forearm (posterior)

- innervated Extensor digitorum communis and most extensors

Question 11

Volar =

Answer 11

palmar

Question 12

Flexor digitorum pollicus

Answer 12

DIP

Question 13

Flexor digitorum superficial

Answer 13

PIP

Question 14

Extensor digitorum Communis

Answer 14

DIP

Question 15

Interoissie and lumbricals

Answer 15

PIP

Question 16

Interoissie

Answer 16

Abduction -Palmar
Adduction-Dorsal
Extend PIP ( lateral bands)
flex MCP

Question 17

How many compartments are there in the wrist and hand

Answer 17

6

Question 18

2 digits that are flixed in the hand

Answer 18

2-3

Question 19

Extensory DIgitorum Communis do ?

Answer 19

Extends MCP

Question 20

Muscle of thenar Eminence

Answer 20

flexor pollicus brevis
abductor pollicus brevis
adductor pollicus
openens pollicus

Question 21

Hypothenar Eminence

Answer 21

Abductor digiti minimi
Flexor digiti minimi
Opponens digiti minimi
Palmaris Brevis

Question 22

What 2 hands fractures are like 2 wrist fractures

Answer 22

Dorsal Angulation- Coles- Towards back of hand (dorsal)

Volar Angulation- Smiths- towards palm of hand

Question 23

Lumbricals do?

Answer 23

Extemd DIP

Question 24

Flexor Digitorum Pollicus

Answer 24

Flexes DIP as a group

Question 25

What are the Creases of the palm

Answer 25

thenar- thumb Proximal and distal palmar Palmar digital MCP Joint Proximal and distal IP fingers

Question 26

What does Flexor Digitorum Superficials do

Answer 26

flexor PIP

Question 27

What is Mallet finger

Answer 27

Extensor mechanism to DIP fails

Question 28

Wrist drop

Answer 28

Injury of the Radial nerve | Extensor Digitorum Communis and Major extensors of the wrist are rendered useless

Question 29

Hypothenar eminence makes up of which 4 muscles

Answer 29

Abd digiti minimi, flexor digiti minimi, oppenous digiti minimi, palmarus brevis

Question 30

Lumbricals are important for ??

Answer 30

Pinch grip

Question 31

What is the most mobile metacarpal ?

Answer 31

D5

Question 32

How man compartment of the hand are they ?

Answer 32

6

Question 33

What muscles consist of in compartments 1-6 in the hand

Answer 33

1. extensor policies brevis and abd pollicus longus 2. Extensor carpi radualis longus and brevis 3. Extensor pollicus longus 4. Extensor digitirum communis, extensor indicis prioria 5. Extensor digiti minimi 6. Extensors carpi ulnaris

Question 34

What does synovial Shealth do ?

Answer 34

Protects /lubricates tendons

Question 35

Juncture tendinae does what

Answer 35

Brings tendons into midline | Holds together

Question 36

What's us the primary extensor of the pip joint

Answer 36

Extensors digitorum communis

Question 37

The primary extensor of the DIP Jt is

Answer 37

Lumbricals