Intrinsic Muscles Of Hand

Question 0

Insertion of Opponens Pollicis

Answer 0

Lateral side of 1st metacarpal

Question 1

Opponens Pollicis Origin

Answer 1

Flexor retinaculum and tubercle of scaphoid and trapezium

Question 2

Innervation of Opponens Pollicis

Answer 2

Recurrent branch of median nerve C8 T1

Question 3

Action of Opponens Pollicis

Answer 3

To oppose thumb

draws 1st metacarpal medially to center of palm and rotates it medially

Question 4

Abductor pollicis Breves origin

Answer 4

Flexor retinaculum

tubercles scaphoid and trapezius

Question 5

Abductor pollicis breves insertion

Answer 5

Lateral side of base of proximal phalanx of thumb

Question 6

Innervation of Abductor Pollicis breves

Answer 6

Recurrent branch of median nerve C8 T1

Question 7

Action of Abductor Pollicis Breves

Answer 7

Abducts thumb: helps oppose it

Question 8

Flexor Pollicis Breves: superficial and deep head Origin

Answer 8

Flexor Retiniculum

tubercles of scaphoid and trapezium

Question 9

Insertion of Flexor Pollicis Breves: Superficial head and deep head

Answer 9

Lateral side of proximal base of phalnax of thumb

Question 10

Innervation of Flexor Pollicis Breves: superficial and Deep head

Answer 10

Recurrent branch of median nerve C8 T1

Question 11

Action of Flexor Pollicis Breves: superficial head and Deep head

Answer 11

Flexes thumb

Question 12

Adductor Policis: Oblique and Transverse Head

Origin

Answer 12

Oblique Head: Base of 2nd and 3rd metacarpals, Capitate, Adjacent carpals
Transverse Head: Anterior surface Of 3rd Metacarpals

Question 13

Insertion of Adductor Pollicis: Oblique and Transverse Heads

Answer 13

Medial side of base of proximal phalanx of thumb

Question 14

Innervation of Aducctor Pollicis: oblique and transverse heads

Answer 14

Deep branch of ulnar nerve C8 T1

Question 15

Action of Adductor Pollicis: Oblique and Transverse Heads

Answer 15

Adducts thumb toward lateral border of palm

Question 16

Abductor Digiti Minimi Origin

Answer 16

Pisiform

Question 17

Abductor digiti minimi Insertion

Answer 17

Medial side of base of proximal phalanx of 5th finger

Question 18

Innervation of abductor digiti minimi

Answer 18

Deep branch of ulnar nerve C8 T1

Question 19

Action of Abductor Digiti Minimi

Answer 19

abducts 5th finger

assists in flexion of its proximal phalanx

Question 20

Flexor Digiti Minimi Breves Origin

Answer 20

Hook of hamate and flexor retinaculum

Question 21

Insertion of Flexor Digiti Minimi

Answer 21

Medial side of base of proximal phalanx of 5th finger

Question 22

Innervation of Flexor Digiti minimi

Answer 22

Deep branch of ulnar C8 T1

Question 23

Action of flexor Digiti Minimi

Answer 23

Flexes proximal phalanx of 5th finger

Question 24

Opponens of digiti Minimi Origin

Answer 24

Hook of hamate | flexor retinaculum

Question 25

Insertion of opponens digiti minimi

Answer 25

Medial border of 5th metacarpal

Question 26

Innervation of Opponens Digiti minimi

Answer 26

Deep branch of ulnar nerve C8 T 1

Question 27

Action of Opponen digiti Minimi

Answer 27

Opposes 5th metacarpal anterior and rotates it bringing 5th finger into opposition with thumb

Question 28

Lumbrical origin 1 and 2 3 and 4

Answer 28

1 and 2 Origin lateral two tendons of flexor digitorum profundus 3 and origin medial 3 tendons of flexor digitorum profundus

Question 29

Lumbrical Insertion 1 and 2 3 and 4

Answer 29

Both insert lateral side of extensor expansions of 2nd-5th fingers

Question 30

Innervation of Lumbricals 1 and 2 3 and 4

Answer 30

1 and 2 : median nerve C8 T1 | 3 and 4; deep branch of ulna C8 T1

Question 31

Action of lumbrical 1 and 2 3 and 4 (karate hand)

Answer 31

Flexes metacarpophalangeal joint and | extends interphalangeal joints 2-5 fingers

Question 32

Dorsal Interossei, 1-4 Origin

Answer 32

adjacent side of 2 metacarpals

Question 33

Dorsal interossie 1-4 Insertion (bipennate muscle)

Answer 33

Base of proximal phalnages, | extensor expansion 2nd-4th finger

Question 34

Innervation of Dorsal Interossei 1-4

Answer 34

deep branch of ulna nerve C8 T1

Question 35

Action of Dorsal Interoseii 1-4

Answer 35

Abduct 2-4th finger from axial line | act with lumbricals in flexing metacapophalangeal and extending interphalangeal joint

Question 36

Origin Palmar Interossei 1-3

Answer 36

palmar surface of 2nd, 4th, 5th metacarpals

Question 37

Insertion of Palmar Interossei 1-3 (unipennate muscle)

Answer 37

base of proximal base of phalanges | extensor expansion of 2nd, 4th, 5th finger

Question 38

Palmar Interossei 1-3 innervation

Answer 38

Deep branch of ulnar nerve C8 T1

Question 39

Action of Palmar Interossei 1-3

Answer 39

Adduct 2nd,4th,5th fingers towards axial line | assist Lumbricals in flexing metacarpophalanges and extends interphalangeal joints