Hand Muscles Flashcards

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created 7 weeks ago by coop_25
Notecards for the origin, insertion, action, & innervation of the hand muscles.
Subjects:
anatomy & physiology, anatomy & physiology i, anatomy and physiology 1
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1

Thenar

Anterior hand, thumb side

2

Flexor Pollicis Brevis - Origin

Anterior radial shaft

3

Flexor Pollicis Brevis - Insertion

Proximal phalanx of the thumb

4

Flexor Pollicis Brevis - Action

Flexion of the thumb

5

Flexor Pollicis Brevis - Innervation

Medial nerve

6

Hypothenar

Anterior hand, pinky side

7

Abductor Digiti Minimi - Origin

Pisiform

8

Abductor Digiti Minimi - Insertion

Proximal phalanx of the 5th finger

9

Abductor Digiti Minimi - Action

Abduction of the 5th finger

10

Abductor Digiti Minimi - Innervation

Ulnar nerve

11

Opponens Digiti Minimi - Origin

Hook of the hamate

12

Opponens Digiti Minimi - Insertion

Metacarpal V

13

Opponens Digiti Minimi - Action

Opposition of the 5th finger

14

Opponens Digiti Minimi - Innervation

Ulnar nerve

15

Lumbricals (4) - Origin

Flexor digitorum profundus tendon

16

Lumbricals (4) - Insertion

Posterior proximal phalanges of fingers 2-5

17

Lumbricals (4) - Action

Flexion of the fingers

18

Lumbricals (4) - Innervation

Median nerve

19

Dorsal Interossei (4) - Origin

Posterior metacarpals

20

Dorsal Interossei (4) - Insertion

Proximal phalanges

21

Dorsal Interossei (4) - Action

Abduction of the fingers

22

Dorsal Interossei (4) - Innervation

Ulnar nerve

23

Palmar Interossei (3) - Origin

Anterior metacarpals (II, IV, & V)

24

Palmar Interossei (3) - Insertion

Anterior proximal phalanges

25

Palmar Interossei (3) - Action

Adduction of the fingers

26

Palmar Interossei (3) - Innervation

Ulnar nerve