01 Elbow/Forearm/Hand OIAN Flashcards Preview

7202 Anatomy > 01 Elbow/Forearm/Hand OIAN > Flashcards

Flashcards in 01 Elbow/Forearm/Hand OIAN Deck (112):
1

elbow flexors
brachialis
ORIGIN

anterior surface of humerus

2

elbow flexors
brachialis
INSERTION

- proximal ulna
- coronoid process

3

brachialis
ACTION

flexes elbow

4

elbow flexors
brachialis
INNERVATION

- musculocutaneous n.
- radial n.

5

elbow flexors
biceps
ORIGIN

- supraglenoid tubercle (LHB)
- coracoid process (SHB)

6

elbow flexors
biceps
INSERTION

radial tuberosity

7

biceps
ACTION

- flexes elbow
- supinates forearm

8

elbow flexors
biceps
INNERVATION

musculocutaneous n.

9

elbow flexors
brachioradialis
ORIGIN

lateral supracondylar ridge

10

elbow flexors
brachioradialis
INSERTION

near radial styloid process

11

brachioradialis
ACTION

flexes elbow

12

elbow flexors
brachioradialis
INNERVATION

radial n.

13

elbow flexors/pronators
pronator teres
ORIGIN

- medial epicondyle
- proximal ulna

14

elbow flexors/pronators
pronator teres
INSERTION

radius just distal to supinator

15

pronator teres
ACTION

- pronates forearm
- assists with elbow flexion

16

elbow flexors/pronators
pronator teres
INNERVATION

median n.

17

elbow extensors
triceps
ORIGIN

- posterior humerus
- infraglenoid tubercle

18

elbow extensors
triceps
INSERTION

olecranon process

19

triceps
ACTION

extends elbow

20

elbow extensors
triceps
INNERVATION

radial n.

21

forearm pronators
pronator quadratus
ORIGIN

anterior distal ulna

22

forearm pronators
pronator quadratus
INSERTION

anterior distal radius

23

pronator quadratus
ACTION

pronates forearm

24

forearm pronators
pronator quadratus
INNERVATION

median n.

25

forearm supinators
supinator
ORIGIN

- lateral epicondyle
- posterior proximal ulna

26

forearm supinators
supinator
INSERTION

proximal radius (anterior, lateral, posterior)

27

supinator
ACTION

supinates forearm

28

forearm supinators
supinator
INNERVATION

radial n.

29

primary wrist extensors
ECRL
ORIGIN

lateral supracondylar ridge

30

primary wrist extensors
ECRL
INSERTION

dorsal surface of base of 2nd metacarpal

31

ECRL
ACTION

extends wrist

32

primary wrist extensors
ECRL
INNERVATION

radial n.

33

primary wrist extensors
ECRB
ORIGIN

lateral epicondyle

34

primary wrist extensors
ECRB
INSERTION

dorsal surface of base of 3rd metacarpal

35

ECRB
ACTION

extends wrist

36

primary wrist extensors
ECRB
INNERVATION

radial n.

37

primary wrist extensors
ECU
ORIGIN

lateral epicondyle

38

primary wrist extensors
ECU
INSERTION

- ulnar styloid
- dorsal surface of base of 5th metacarpal

39

ECU
ACTION

- extends wrist
- ulnar deviation

40

primary wrist extensors
ECU
INNERVATION

radial n.

41

secondary wrist extensors
extensor digitorum
ORIGIN

lateral epicondyle

42

secondary wrist extensors
extensor digitorum
INSERTION

extensor expansions of medial 4 digits

43

secondary wrist extensors
extensor digitorum
ACTION

- extends medial 4 digits
- assists in wrist extension

44

secondary wrist extensors
extensor digitorum
INNERVATION

radial n.

45

secondary wrist extensors
extensor indicis
ORIGIN

posterior surface of ulna and interosseous membrane

46

secondary wrist extensors
extensor indicis
INSERTION

extensor expansion of 2nd digit

47

secondary wrist extensors
extensor indicis
ACTION

- extends wrist
- extends 2nd digit

48

secondary wrist extensors
extensor indicis
INNERVATION

radial n.

49

secondary wrist extensors
extensor digiti minimi
ORIGIN

lateral epicondyle

50

secondary wrist extensors
extensor digiti minimi
INSERTION

extensor expansion of 5th digit

51

secondary wrist extensors
extensor digiti minimi
ACTION

- extends 5th digit
- assists in wrist extension

52

secondary wrist extensors
extensor digiti minimi
INNERVATION

radial n.

53

secondary wrist extensors
extensor pollicis longus
ORIGIN

posterior surface of:
- radius
- ulna
- interosseous membrane

54

secondary wrist extensors
extensor pollicis longus
INSERTION

dorsal base of distal phalanx of thumb

55

secondary wrist extensors
extensor pollicis longus
ACTION

- extends thumb
- assists in wrist extension

56

secondary wrist extensors
extensor pollicis longus
INNERVATION

radial n.

57

primary wrist flexors
flexor carpi radialis
ORIGIN

medial epicondyle

58

primary wrist flexors
flexor carpi radialis
INSERTION

base of 2nd metacarpal

59

flexor carpi radialis
ACTION

- flexes wrist
- radial deviation

60

primary wrist flexors
flexor carpi radialis
INNERVATION

median n.

61

primary wrist flexors
flexor carpi ulnaris
ORIGIN

- medial epicondyle
- olecranon
- posterior ulna

62

primary wrist flexors
flexor carpi ulnaris
INSERTION

pisiform

63

flexor carpi ulnaris
ACTION

- flexes wrist
- ulnar deviation

64

primary wrist flexors
flexor carpi ulnaris
INNERVATION

ulnar n.

65

primary wrist flexors
palmaris longus
ORIGIN

medial epicondyle

66

primary wrist flexors
palmaris longus
INSERTION

palmar aponeurosis

67

palmaris longus
ACTION

flexes wrist

68

primary wrist flexors
palmaris longus
INNERVATION

median n.

69

secondary wrist flexors
flexor digitorum profundus
ORIGIN

anterior surface of proximal ulna and interosseous membrane

70

secondary wrist flexors
flexor digitorum profundus
INSERTION

palmar base of distal phalanges of medial 4 digits

71

secondary wrist flexors
flexor digitorum profundus
ACTION

- flexes distal phalanges of medial 4 digits
- assists with wrist flexion

72

secondary wrist flexors
flexor digitorum profundus
INNERVATION

- medial 2: ulnar n.
- lateral 2: median n.

73

secondary wrist flexors
flexor digitorum superficialis
ORIGIN

- medial epicondyle
- superior anterior radius

74

secondary wrist flexors
flexor digitorum superficialis
INSERTION

sides of middle phalanges 2-5

75

secondary wrist flexors
flexor digitorum superficialis
ACTION

- flexes medial 4 phalanges (PIP/DIP)
- flexes wrist

76

secondary wrist flexors
flexor digitorum superficialis
INNERVATION

median n.

77

secondary wrist flexors
flexor pollicis longus
ORIGIN

anterior surface of radius and interosseous membrane

78

secondary wrist flexors
flexor pollicis longus
INSERTION

palmar base of distal phalanx of thumb

79

secondary wrist flexors
flexor pollicis longus
ACTION

- flexes phalanges of thumb
- assists with wrist flexion

80

secondary wrist flexors
flexor pollicis longus
INNERVATION

median n.

81

secondary wrist flexors
abductor pollicis longus
ORIGIN

- posterior interosseous membrane
- radius

82

secondary wrist flexors
abductor pollicis longus
INSERTION

dorsal surface of base of 1st metacarpal

83

secondary wrist flexors
abductor pollicis longus
ACTION

- extends & abducts thumb
- assists with wrist flexion

84

secondary wrist flexors
abductor pollicis longus
INNERVATION

radial n.

85

secondary wrist flexors
extensor pollicis brevis
ORIGIN

posterior radius and interosseous membrane

86

secondary wrist flexors
extensor pollicis brevis
INSERTION

dorsal base of proximal phalanx of thumb

87

secondary wrist flexors
extensor pollicis brevis
ACTION

- extends proximal phalanx of thumb

88

secondary wrist flexors
extensor pollicis brevis
INNERVATION

radial n.

89

Muscles of the thenar eminence

- abductor pollicis brevis (CMC)
- flexor pollicis brevis (CMC, MCP)
- opponens pollicis (CMC)

90

Muscles of the hypothenar eminence

- abductor digiti minimi (CMC)
- flexor digiti minimi (MCP and PIP)
- opponens digiti minimi (CMC)

91

What are the additional thumb muscles?

- adductor pollicis (CMC)
- abductor pollicis longus

92

thenar muscles
ORIGINS

- flexor retinaculum
- scaphoid
- trapezium

93

thenar muscles
INSERTIONS

proximal phalanx or metacarpal of thumb

94

thenar muscles
INNERVATIONS

recurrent branch of median nerve

95

hypothenar muscles
ORIGINS

- pisiform
- hook of hamate

96

hypothenar muscles
INSERTIONS

- 5th proximal phalanx or
- 5th metacarpal

97

hypothenar muscles
INNERVATION

deep branch of ulnar nerve

98

adductor pollicis (CMC)
ORIGIN

- palmar surface of 2nd and 3rd metacarpals
- adjacent carpals

99

adductor pollicis (CMC)
INSERTION

base of proximal phalanx of thumb

100

adductor pollicis (CMC)
INNERVATION

deep branch of ulnar nerve

101

abductor pollicis longus
ORIGIN

- posterior surface of interosseous membrane
- radius

102

abductor pollicis longus
INSERTION

palmar base of 1st metacarpal

103

abductor pollicis longus
INNERVATION

posterior interosseous nerve

104

abductor pollicis longus
LOCATION

posterior forearm

105

interossei
ORIGINS

adjacent metacarpals

106

interossei
INSERTIONS

- sides of proximal phalanges
- proximal wing tendons of the extensor mechanism

107

interossei
INNERVATION

deep branch of ulnar nerve

108

interossei
LOCATION

between metacarpals

109

lumbricals
ORIGINS

tendons of flexor digitorum profundus

110

lumbricals
INSERTIONS

lateral distal wing tendons of the extensor mechanism

111

lumbricals
INNERVATION

- medial 2: deep branch of ulnar n.
- lateral 2: median n.

112

lumbricals
LOCATION

deep palm