Wrist And Hand Muscles

Front 1

What is the origin of the green muscle?

Back 1

Extensor Carpi Radialis Longus - Lateral supracondylar ridge of humerus

Front 2

What is the Insertion of the green muscle

Back 2

Extensor Carpi Radialis Longus - Posterior surface of the base of the 2nd metacarpal bone

Front 3

What is the action of the green muscle?

Back 3

Extensor Carpi Radialis Longus - Extension and radial deviation of the wrist joint

Front 4

What is the innervation of the green muscle?

Back 4

Extensor Carpi Radialis Longus- Radial Nerve

Front 5

What is the origin of the red muscle

Back 5

Extensor Carpi Radialis Brevis - Lateral Epicondyle of Humerus

Front 6

What is the insertion of the red muscle

Back 6

Extensor Carpi Radialis Brevis - Posterior surface of the base of the 3rd metacarpal bone

Front 7

What is the action the red muscle?

Back 7

Extensor Carpi Radialis Brevis - Extension and Radial Deviation of the Wrist joint

Front 8

What is the innervation of the red muscle?

Back 8

Extensor Carpi Radialis Brevis - Deep branch of Radial Nerve

Front 9

What is the origin of this muscle?

Back 9

Extensor Carpi Radialis Ulnaris - Lateral Epicondyle of humerus

Front 10

What is the insertion of this muscle?

Back 10

Extensor Carpi Radialis Ulnaris - Base of the 5th metacarpal bone

Front 11

What is the action of this muscle?

Back 11

Extensor Carpi Radialis Ulnaris - Extension and Ulnar Deviation of wrist joint

Front 12

What is the innervation of this muscle?

Back 12

Extensor Carpi Radialis Ulnaris - Deep branch of radial nerve

Front 13

What is the origin of this muscle?

Back 13

Extensor Digitorum - Lateral Epicondyle of Humerus

Front 14

What is the insertion of this muscle?

Back 14

Extensor Digitorum - Middle and Distal Phalanx of the medial 4 fingers

Front 15

What is the action of this muscle?

Back 15

Extensor Digitorum - Extension of wrist and fingers

Front 16

What is the innervation of this muscle?

Back 16

Extensor Digitorum - Deep branch of Radial Nerve

Front 17

What is the origin of the blue muscle?

Back 17

Flexor Carpi Radialis - Medial Epicondyle of Humerus

Front 18

What is the insertion of the blue muscle?

Back 18

Flexor Carpi Radialis - Bases of 2nd and 3rd metacarpal bones

Front 19

What is the action of the blue muscle?

Back 19

Flexor Carpi Radialis - Flexion and Radial Deviation of the Wrist Joint

Front 20

What is the innervation of the blue muscle?

Back 20

Flexor Carpi Radialis - Median Nerve

Front 21

What is the origin of the brown muscle?

Back 21

Flexor Carpi Ulnaris

Humeral Head: MEdial Epicondyle of Humerus

Ulnar Head: Medial Aspect of olecranon process and posterior border of ulna

Front 22

What is the insertion of the brown muscle?

Back 22

PIsiform bone, hook of hamate and base of 5th metacarpal bone

Front 23

What is the action of the brown muscle?

Back 23

Flexor carpi ulnaris - Flexion and Ulnar Deviation of the Wrist Joint

Front 24

What is the innervation of the brown muscle?

Back 24

Flexor carpi ulnaris - Ulnar Nerve

Front 25

What is the origin of the orange muscle?

Back 25

Palmaris Longus - Medial Epicondyle of Humerus

Front 26

What is the insertion of the orange muscle?

Back 26

Palmaris Longus - Flexor retinaculum and palmar aponeurosis

Front 27

What is the action of the orange muscle?

Back 27

Palmaris longus - Flexion of the wrist joint

Front 28

What is the innervaiton of the orange muscle?

Back 28

Palmaris Longus - Ulnar Nerve

Front 29

What is the origin of the green muscle?

Back 29

Flexor Digitorum Superficialis

Humeroulnar head: Medial Epicondyle of HUmerus and Medial border of Coronoid process of Ulna

Radial head: Oblique line on anterior surface of shaft of radius

Front 30

What is the insertion of the orange muscle?

Back 30

Flexor Digitorum Superficialis - Midddle phalanx of Medial 4 fingers

Front 31

What is the action of the green muscle?

Back 31

Flexion of the metacarpophalangeal and proximal interphalangeal joints of 2nd to 5th digit

Front 32

What is the innervation of the green muscle?

Back 32

Flexor Digitorum Superficialis - Median Nerve

Front 33

What is the origin of this muscle?

Back 33

Flexor Digitorum Profundus - Anteromedial surface of shaft of ulna

Front 34

What is the action of this muscle?

Back 34

Flexor Digitorum Profundus - Flexion of the Distal InterphalangealJoints, Proximal Interphalangeal Joints and Metacarpophalangeal Joints of 2nd to 5th digit

Front 35

What is the innervation of this muscle?

Back 35

Flexor Digitorum Profundus - Ulnar nerve (Medial Half) and Median (Lateral Half) Nerve

Front 36

What is the origin of this muscle?

Back 36

Flexor Pollicis Longus - Anterior surface of Shaft of Radius

Front 37

What is the insertion of this muscle?

Back 37

Flexor Pollicis Longus - Distal phalanx of thumb

Front 38

What is the action of this muscle?

Back 38

Flexor Pollicis Longus - Flexion of the carpometacarpal, metacarpophalangeal, and interphalangeal joint of the thumb

Front 39

What is the innervation of this muscle?

Back 39

Flexor Pollicis Longus - Anterior Interosseus Branch of Median Nerve

Front 40

What is the origin of this muscle?

Back 40

Abductor Pollicis Longus - Posterior surface of shaft of radius and ulna

Front 41

What is the insertion of this muscle?

Back 41

Abductor Pollicis Longus - Base of 1st metacarpal bone

Front 42

What is the action of this muscle?

Back 42

Abductor Pollicis Longus - Abduction and Extension of Thumb at Carpometacarpal joint

Front 43

What is the innervation of this muscle?

Back 43

Abductor Pollicis Longus - Deep branch of Radial Nerve

Front 44

What is the origin of this muscle?

Back 44

Extensor Indicis - Posterior surface of shaft of ulna

Front 45

What is the insertion of this muscle?

Back 45

Extensor indicis - Extensor Expansion of Index Finger

Front 46

What is the action of this muscle?

Back 46

Extensor Indicis - Extension of Wrist and Metacarpophalangeal, proximal interphalangeal and distal interphalangeal joint of Index Finger

Front 47

What is the innervation of this muscle?

Back 47

Extensor indicis - Deep branch of radial nerve

Front 48

What is the origin of this muscle?

Back 48

Extensor Digiti Minimi - Lateral Epicondyle of Humerus

Front 49

What is the insertion of this muscle?

Back 49

Extensor digiti minimi - Extensor Expansion of LIttle Finger

Front 50

What is thie action of this muscle?

Back 50

Extensor Digiti Minimi - Extension of Wrist and Metacarpophalangeal, proximal interphalangeal and distal interphalangeal joint of Index Finger

Front 51

What is the innervation of this muscle?

Back 51

Extensor digiti minimi - Deep branch of radial nerve

Front 52

What is the origin of this muscle?

Back 52

Extensor Pollicis Longus - Posterior surface of shaft of ulna

Front 53

What is the insertion of this muscle?

Back 53

Extensor Pollicis Longus - Base of Distal Phalanx of Thumb

Front 54

What is the action of this muscle?

Back 54

Extensor Pollicis Longus - Extension of interphalangeal joint of thumb

Front 55

What is the innervation of this muscle?

Back 55

Extensor Pollicis Longus - Deep branch of radial nerve

Front 56

What is the origin of this muscle?

Back 56

Extensor Pollicis Brevis - Posterior surface of shaft of radius

Front 57

What is the insertion of this muscle?

Back 57

Extensor Pollicis Brevis - Base of Distal Phalanx of Thumb

Front 58

What is the action of this muscle?

Back 58

Extensor Pollicis Brevis - Extension of metacarpophalangeal joint of thumb

Front 59

What is the innervation of this muscle?

Back 59

Extensor Pollicis Brevis - Deep branch of radial nerve

Front 60

What is the origin of this muscle?

Back 60

Abductor Pollicis Longus - Posterior surface of shaft of radius and ulna

Front 61

What is the insertion of this muscle?

Back 61

Abductor Pollicis Longus - BAse of 1st metacarpal bone

Front 62

What is the action of this muscle?

Back 62

Abductor Pollicis Longus - Extension and abduction of thumb at carpometacarpal joint

Front 63

What is the innervation of this muscle?

Back 63

Abductor Pollicis Longus - Deep branch of radial nerve

Front 64

What is the origin of this muscle?

Back 64

Flexor Digitorum Superficialis

Humeroulnar head - Medial Epicondyle of HUmerus and Medial border of Coronoid process of ulna

Radial Head - Oblique line on Anterior surface of shaft of radius

Front 65

What is the insertion of this muscle?

Back 65

Flexor Digitorum Superficialis - Middle Phalanx of medial 4 fingers

Front 66

What is the action of this muscle?

Back 66

Flexor Digitorum Superficialis - Flexion of the metacapophalangeal and proximal interphalangeal joints of 2nd to 5th digit

Front 67

What is the innervation of this muscle?

Back 67

Flexor Digitorum Superficialis - Median Nerve

Front 68

What is the origin of this muscle?

Back 68

Flexor Digitorum Profundus - Anteromedial surface of shaft of ulna

Front 69

What is the insertion of this muscle?

Back 69

Flexor Digitorum Profundus - Distal phalanges of medial 4 fingers

Front 70

What is the action of this muscle?

Back 70

Flexor Digitorum Profundus - Flexion of the distal interphalangeal joints, proximal interphalangeal joints and metacarpophalangeal joints of 2nd to 5th digit

Front 71

What is the innervation of this muscle?

Back 71

Flexor Digitorum Profundus - Ulnar (Medial Half) and Median (Lateral half) Nerve

Front 72

What is the origin of this muscle?

Back 72

Flexor Pollicis Longus - Anterior surface of shaft of radius

Front 73

What is the insertion of this muscle?

Back 73

Flexor Pollicis Longus - Distal phalanx of thumb

Front 74

What is the action of this muscle?

Back 74

Flexor Pollicis Longus - Flexion of the carpometacarpal, metacarpophalangeal, interphalangeal joint of the thumb

Front 75

What is the innervation of this muscle?

Back 75

Flexor Pollicis Longus - Anterior interosseous branch