Hand

Question 1

Which muscle of the forearm (not found in everyone) is continuous with the fascia of the palm shown above?

Answer 1

Palmaris Longus

Question 2

How many muscle compartments of hand

Answer 2

5

Question 3

What are the superficial to deep hand muscle compartments

Answer 3

Thenar
Hypothenar
Lumbricals and Long Flexor Tendons
Adductors
Interosseous

Question 4

The thenar muscles form fleshy muscle belly where?

Answer 4

Lateral Aspect of Palm

Question 5

The Thenar Muscles are composed of how many muscles

Answer 5

3

Question 6

Name the thenar muscles

Answer 6

Abductor Pollicis Brevis
Flexor Pollicis Brevis
Opponens Pollicis

Question 7

The nerve supply for thenar eminence is derived from

Answer 7

Median Nerve

Question 8

The deep belly of Flexor Pollicis Brevis is supplied by

Answer 8

Ulnar Nerve

Question 9

Which nerve segment from the brachial plexus serves to provide the majority of the innervation to the thenar muscles ?

Answer 9

Median C6-T1

Question 10

The hypothenar muscles form the fleshy muscle belly on the

Answer 10

lateral aspect of palm

Question 10

The hypothenar muscles form the fleshy muscle belly on the

Answer 10

lateral aspect of palm

Question 11

Name the 3 Hypothenar Muscles

Answer 11

Abductor Digiti Minimi
Flexor Digiti Minimi
Opponens Digiti Minimi

Question 12

Which nerve innervates hypothenar muscles

Answer 12

Ulnar

Question 13

Which nerve root from the brachial plexus serves to provide the majority of the innervation to the hypothenar muscles?

Answer 13

C8-T1

Question 14

What lies deep to thenar and hypothenar eminence

Answer 14

central compartment

Question 15

The central compartment of the hand includes

Answer 15

Flexor Digitorum Profundus
Flexor Digititorum Superficialis
Flexor Pollicis Longus
Lumbricals

Question 16

How many lumbricals in hand are there

Answer 16

4

Question 17

The lumbricals arise from

Answer 17

medial and lateral aspects of the FDP tendon, between the 1st to 5th metacarpals

Question 18

The lumbricals action

Answer 18

flex the fingers at the metacarpophalangeal joints and extend the interphalangeal joint of 2nd to 5th digits.

Question 19

The medial two lumbricals are innervated by

Answer 19

ulnar nerve

Question 20

The lateral two lumbricals are innervated by

Answer 20

median nerve

Question 21

How many heads does adductor pollicis in hand have

Answer 21

2

Question 22

contraction of adductor pollicis action

Answer 22

adducts thumb

Question 23

which nerve innervates adductor pollicis

Answer 23

ulnar nerve

Question 24

Which muscles are deepest in hand and lie between metacarpal bones

Answer 24

Interossei (4 Dorsal and 3 Palmar)

Question 25

Dorsal Interossei of hand action

Answer 25

Abduct Fingers

Question 26

Palmar Interossei action

Answer 26

Adduct fingers

Question 27

which nerve innervates dorsal and palmar interossei muscles

Answer 27

ulnar nerve

Question 28

which spinal segment contributes most to innervation of interossei

Answer 28

C8-T1

Question 28

which spinal segment contributes most to innervation of interossei

Answer 28

C8-T1

Question 29

which arteries provide blood supply to hand

Answer 29

ulnar and radial arteries

Question 30

when ulnar and radial arteries reach palm they form the

Answer 30

superficial and deep palmar arch

Question 31

which artery is main contributor of superficial palmar arch

Answer 31

Ulnar

Question 32

which artery is main contributor of deep palmar arch

Answer 32

radial

Question 33

which nerves supply the muscles of hand

Answer 33

Median and Ulnar Nerves

Question 34

The median nerve enters hand through

Answer 34

Cubital Fossa

Question 35

The median nerve in hand supplies

Answer 35

majority of thenar eminence apart from deep belly of flexor pollicis brevis and 1st and 2nd

Question 36

Ulnar nerve innervates

Answer 36

intrinsic muscles of hand

Question 37

Median and ulnar nerves carry fibres of

Answer 37

C6 and T1

Question 38

The ulnar nerve is a branch of which cord of the brachial plexus?

Answer 38

Medial