Muscles of Hand

Question 1

Which compartment is Abductor Pollis Brevis in

Answer 1

Thenar

Question 2

which compartment is Flexor Pollis Brevis in

Answer 2

Thenar

Question 3

which compartment is Opppenens Pollicis in

Answer 3

Thenar

Question 4

What innervates Abductor Pollis Brevis

Answer 4

Recurrent Branch of Median N.

Question 5

What innervates Flexor Pollis Brevis

Answer 5

Superficial head:
Recurrent Branch of Median N.

Deep head:
deep branch of Ulnar N.

Question 6

What innervates Oppenens Pollicis

Answer 6

Recurrent branch of Median N.

Question 7

Which compartment is Adductor Pollicis in

Answer 7

Adductor compartment

Question 8

What innervates Adductor Pollicis?

Answer 8

Deep branch of Ulnar nerve

Question 9

which compartment is abductor digiti minimi in

Answer 9

hypothenar compartment

Question 10

what compartment is Flexor Digiti Minimi Brevis in

Answer 10

Hypothenar compartment

Question 11

which compartment is Opponens Digiti minimi in

Answer 11

hypothenar compartment

Question 12

which compartment is Palmaris Brevis in

Answer 12

Not in any group
‘
Just say hypothenar compartment???

Question 13

What innervates abductor digiti minimi

Answer 13

Deep branch of Ulnar N.

Question 14

What innervates Flexor Digiti Minimi Brevis

Answer 14

Deep branch of Ulnar N.

Question 15

What innervates Opponens Digiti Minimi

Answer 15

deep branch of Ulnar N.

Question 16

What innervates Palmaris Brevis

Answer 16

Deep branch of Ulnar N.

Question 17

which compartment are the Lumbricles in

Answer 17

central compartment

Question 18

What innervates the lumbricles

Answer 18

1st and 2nd
median Nerve

3rd and 4th
Deep branch of Ulnar N.

Question 19

What compartment are the interossei muscles in?

Answer 19

Interosseous compartments

Question 20

What innervates the interossei?

Answer 20

Deep branch of ulnar nerve

Question 21

What is the action of the Dorsal interossei

Answer 21

Abduct digits

Question 22

What is the action of the Palmar interossei

Answer 22

Adduct digits

Question 23

What is the action of the Lumbricles

Answer 23

Flexes MCP joints

Extends PIP and DIP joints

Question 24

What is the insertion of the lumbricles

Answer 24

Radial side of the extensor expansion distal to insertion of interosseous muscles

Question 25

What is the origin of the Lubricles

Answer 25

tendons of flexor digitorum profundus

Question 26

What is the origin of the palmar interossei

Answer 26

Palmar surfaces of metacarpals

Question 27

What is the origin of the dorsal interossei

Answer 27

Adjacent sides of two metacarpals

Question 28

How many dorsal interossei are there vs palmar interossei

Answer 28

4 dorsal

3 palmar

Question 29

Which interossei are bipennate and which are unipennate

Answer 29

unipennate - palmar

bipennate - dorsal

Question 30

What are the attachments of the Lateral Fibrous Septum

Answer 30

Lateral border of palmar aponeurosis

3rd metacarpal

Question 31

What is the insertion of the Palmar Interossei

Answer 31

Dorsal expansion

Question 32

What is the insertion of the Dorsal interossei

Answer 32

Dorsal hood

Base of metacarpal

Question 33

What does the Dorsal Expansion Hood cover

Answer 33

Back and sides of metacarpal and proximal phalanx

In triangular shape

Question 34

What three bands does the Dorsal Expansion Hook divide into

Answer 34

Median Band (central slip)
2 Lateral bands
Retinacular ligament

Question 35

Where does the Median Band (central slip) of the Dorsal Expansion Hood run

Answer 35

on the middle of the proximal phalanx

Question 36

What does the Retinacular Ligament of Dorsal Expansion Hood do

Answer 36

Connects Fibrous digital sheath (Distal) to Extensor Expansion

Question 37

What are the branches of the superficial Palmar arch

Answer 37

3 common palmar digital arteries

proper palmar digital arteries

Question 38

What are the branches of the deep palmar arch

Answer 38

3 palmar metacarpal arteries
princeps pollicis artery
radial indicis artery