Hand

Question 1

Thenar eminence muscles

Answer 1

abductor pollicis brevis, oppennes pollicis, flexor pollicis brevis

Question 2

Hypthenar muscles

Answer 2

abductor digiti minimi, flexor digiti minimi, oppennes digiti minimi

Question 3

Deep palmar muscles

Answer 3

adductor pollicis, interossei, lumbricals

Question 4

Abductor policis brevis origin

Answer 4

Flexor retinaculum and tubercles of scaphoid and trapezium

Question 5

Abductor policis brevis insertion

Answer 5

Lateral side of base of proximal phalanx of thumb

Question 6

Abductor policis brevis innervation

Answer 6

Recurrent branch of median nerve (C8 and T1) (C8, T1)

Question 7

Abductor policis brevis action

Answer 7

abducts thumb and helps to oppose it

Question 8

Opponens Pollicis origin

Answer 8

Flexor retinaculum and tubercles of scaphoid and trapezium

Question 9

Opponens Pollicis insertion

Answer 9

Lateral side of 1st metacarpal

Question 10

Opponens Pollicis action

Answer 10

Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially

Question 11

Opponens Pollicis innervation

Answer 11

Recurrent branch of median nerve (C8 and T1) (C8, T1)

Question 12

Flexor Pollicis Brevis origin

Answer 12

Flexor retinaculum and tubercles of scaphoid and trapezium

Question 13

Flexor Pollicis Brevis insertion

Answer 13

Lateral side of base of proximal phalanx of thumb

Question 14

Flexor Pollicis Brevis action

Answer 14

Flexes thumb

Question 15

Flexor Pollicis Brevis innervation

Answer 15

Recurrent branch of median nerve (C8 and T1) (C8, T1)

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 little finger

Question 18

Abductor Digiti Minimi action

Answer 18

abducts little (5th) finger

Question 19

Abductor Digiti Minimi innervation

Answer 19

Deep branch of ulnar nerve (C8 and T1) (C8, T1)

Question 20

Flexor Digiti Minimi origin

Answer 20

Hook of hamate and flexor retinaculum

Question 21

Flexor Digiti Minimi insertion

Answer 21

Medial side of base of proximal phalanx of little finger

Question 22

Flexor Digiti Minimi action

Answer 22

Flexes proximal phalanx of little (5th) finger

Question 23

Flexor Digiti Minimi innervation

Answer 23

Deep branch of ulnar nerve (C8 and T1) (C8, T1)

Question 24

Opponens Digiti Minimi origin

Answer 24

Hook of hamate and flexor retinaculum

Question 25

Opponens Digiti Minimi insertion

Answer 25

Medial border of 5th metacarpal

Question 26

Opponens Digiti Minimi action

Answer 26

Draws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb

Question 27

Opponens Digiti Minimi innervation

Answer 27

Deep branch of ulnar nerve (C8 and T1) (C8, T1)

Question 28

Adductor Pollicis origin

Answer 28

Oblique head: bases of 2nd and 3rd metacarpals, capitate, and adjacent carpals;

Question 29

Adductor Pollicis insertion

Answer 29

Medial side of base of proximal phalanx of thumb

Question 30

Adductor Pollicis action

Answer 30

Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially

Question 31

Adductor Pollicis innervation

Answer 31

Deep branch of ulnar nerve (C8 and T1) (C8, T1)

Question 32

Interosseous Muscles, Palmar origin

Answer 32

Palmar 1 - 3: Palmar surfaces of 2nd, 4th and 5th metacarpals (unipennate muscles)

Question 33

Interosseous Muscles, Palmar insertion

Answer 33

Palmar 1 - 3: Extensor expansions of digits and bases of proximal phalanges of digits 2, 4 and 5

Question 34

Interosseous Muscles, Palmar actions

Answer 34

Palmar 1 - 3: Adduct digits toward axial line and assist lumbricals in flexing metacarpophalangeal joints and extending interphalangeal joints

Question 35

Interosseous Muscles, Palmar innervation

Answer 35

Deep branch of ulnar nerve (C8 and T1) (C8, T1)