The Hand

Question 1

Grip that involves the long flexor muscles acting at the interphalangeal joints, the intrinsic muscles of the palm acting at the metacarpophalangeal joints and the extensors of the wrists.

Answer 1

Power grip

Question 2

The power grip acts at what joints?

Answer 2

The radiocarpal and midcarpal joints

Question 3

In the power grip, the engagement of the wrist extensors _______ (SHORTENS/LENGTHENS) the distance over which finger _______ (FLEXORS/EXTENSORS) work allowing a more powerful grip

Answer 3

Lengthens

Flexors

Question 4

Grip that consumes less energy.

Involves the use of only the long finger flexors

Answer 4

Hook Grip

Question 5

Grip that involves a change in the position of a handled object- required fine control of the thumb and fingers.

Answer 5

Precision handling grip

Question 6

Precision handling grip has the wrist and fingers hold ____ (FIRMLY/LOOSELY) by the long flexors and extensors.

Answer 6

Firmly

Question 7

What muscles perform the fine movements of the digits in the precision handling grip?

Answer 7

The hand muscles

Question 8

Position used in casting of proximal wrist and forearm fractures.

Answer 8

The position of rest.

Question 9

Fascia of the palm is continuous with the:

Answer 9

Antebrachial fascia and dorsal fascia of the hand

Question 10

The fascia of the hand is thin where?

Answer 10

Over the thenar and hypothecate eminences

Question 11

The fascia of the hand is thick where?

Answer 11

Centrally (palmar aponeurosis) and in the fingers. THIS is where it forms the digital sheath

Question 12

What does the palmar aponeurosis cover?

Answer 12

The soft tissue of the palm.

Overlies the long flexor tendons

Question 13

The palmar aponeurosis is continuous with:

Answer 13

The flexor retinaculum and palmaris longus tendon.

Question 14

The palmar aponeurosis forms:

Answer 14

4 longitudinal bands as it radiates distally to the bases of the proximal phalanges and is continuous with the digital sheaths

Question 15

Ligamentous tube that encloses synovial sheaths of both the deep and superficial flexor tendons and the FPL tendon

Answer 15

Fibrous digital sheaths

Question 16

The fibrous digital sheaths are composed of:

Answer 16

5 annular and 4 cruciform parts

Question 17

What forms mechanically complex structures?

Answer 17

Insertion of forearm and intrinsic hand muscle tendons from mechanically complex structures.

Question 18

Tough septum extending from the medial border of the palmar aponeurosis to the 5th metacarpal

Answer 18

Medial fibrous septum

Question 19

What is medial to the medial fibrous septum?

Answer 19

Hypothecate compartment

Question 20

What does the hypothenar compartment contain?

Answer 20

The hypothenar muscles

Question 21

Septum that extends from the lateral border of the aponeurosis to the 3rd metacarpal

Answer 21

Lateral fibrous septum

Question 22

What is lateral to the lateral fibrous septum ?

Answer 22

Thenar compartment- contains the thenar muscles

Question 23

Where does the central compartment exist

Answer 23

Between the medial and lateral compartments.

Question 24

What does the central compartment contain?

Answer 24

The flexor tendons and their sheaths, the Lumbricals, the superficial palmar arterial arch and the digital arteries and nerves

Question 25

Were is the adductor compartment located?

Answer 25

Deep to the thenar space.

Superficial to the interosseous muscles

Question 26

What dos the adductor compartment contains

Answer 26

The adductor pollicis

Question 27

What contains the interosseous muscles?

Answer 27

The interosseous compartment

Question 28

Spaces bounded by the septa from the edges of the palmar aponeurosis to the metacarpals

Answer 28

Thenar and midpalmer spaces

Question 29

What separates the thenar and midpalmar spaces?

Answer 29

The lateral fibrous septa

Question 30

The midpalmar space is continuous with the:

Answer 30

Anterior compartment of the forearm via the carpal tunnel

Question 31

What do the thenar and midpalmar spaces function as?

Answer 31

Bursa

Question 32

Disease of the palmar fascia resulting in progressive thickening and contracture of fibrous bands on the palmar surface of the hand and fingers

Answer 32

Dupuytren’s Fasciitis and Contracture

Question 33

Is Dupuytren’s Fasciitis more common in men or women?

Answer 33

Men