Arm And Forearm Muscles

Front 1

Triceps Brachii Long Head


ORIGIN

Back 1

Infraglenoid Tubercle of the Scapula

Front 2

Triceps Brachii Long Head


INSERTION

Back 2

Olecranon Process of the Ulna

Front 3

Triceps Brachii Long Head


ACTION

Back 3

Elbow extension

Front 4

Triceps Brachii Lateral Head


ORIGIN

Back 4

Posterior humerus

Front 5

Triceps Brachii Lateral Head


INSERTION

Back 5

Olecranon Process of the Ulna

Front 6

Triceps Brachii Lateral Head


ACTION

Back 6

Elbow extension

Front 7

Triceps Brachii Lateral Head


ORIGIN

Back 7

Posterior humerus

Front 8

Triceps Brachii Lateral Head


INSERTION

Back 8

Olecranon Process of the Ulna

Front 9

Triceps Brachii Lateral Head


ACTION

Back 9

Elbow extension

Front 10

Aconeus


ORIGIN

Back 10

Lateral eipcondyle of the humerus

Front 11

Aconeus


INSERTION

Back 11

olecranon process of the unlan

Front 12

Aconeus


ACTION

Back 12

Elbow extension

Front 13

Palmer Interossi


ACTION

Back 13

Adduct fingers

Front 14

Dorsal Interossi


ACTION

Back 14

Abduct fingers

Front 15

Biceps Brachii Long Head


ORIGIN

Back 15

Supraglenoid tubercle of the scapula

Front 16

Biceps Brachii Long Head


INSERTION

Back 16

radial tuberosity

Front 17

Biceps Brachii Long Head


ACTION

Back 17

arm and elbow flexion and supination

Front 18

Biceps Brachii Short Head


ORIGIN

Back 18

coracoid process of the scapula

Front 19

Biceps Brachii Short Head

INSERTION

Back 19

radial tuberosity

Front 20

Biceps Brachii Short Head


ACTION

Back 20

arm and elbow flexion and supination

Front 21

Brachialis


ORIGIN

Back 21

anterior humerus

Front 22

Brachialis


INSERTION

Back 22

coranoid process of the ulna

Front 23

Brachialis


ACTION

Back 23

elbow flexion

Front 24

Brachioradialis


ORIGIN

Back 24

DISTAL lateral humerus

Front 25

Brachioradialis

INSERTION

Back 25

styloid process of the radius

Front 26

Brachioradialis


ACTION

Back 26

elbow flexion and supination

Front 27

Supinator

ORIGIN

Back 27

lateral epicondyle of the humerus

Front 28

Supinator

INSERTION

Back 28

proximal radius

Front 29

Supinator


ACTION

Back 29

Supinates

Front 30

Palmaris Longus

ORIGIN

Back 30

Medial eipcondyle of the humerus

Front 31

Palmaris Longus

INSERTION

Back 31

metacarpals 2 and 5

palmer aponeurosis

Front 32

Palmaris Longus

ACTION

Back 32

wrist flexion


weak elbow flexion

Front 33

Pronator Quadratus

ORIGIN

Back 33

Distal Anterior Ulna

Front 34

Pronator Quadratus

INSERTION

Back 34

Distal Anterior Radius

Front 35

Pronator Quadratus


ACTION

Back 35

Pronation

Front 36

Pronator Teres

ORIGIN

Back 36

MEDIAL epicondyle of humerus

coronoid process of the ulna

Front 37

Pronator Teres

INSERTION

Back 37

lateral mid radius

Front 38

Pronator Teres

ACTION

Back 38

pronation

weak elbow flexion

Front 39

Extensor Carpi Radialis Brevis

ORIGIN

Back 39

Lateral epicondyle of the humerus

Front 40

Extensor Carpi Radialis Brevis

INSERTION

Back 40

base of the 3rd metacarpal

Front 41

Extensor Carpi Radialis Brevis


ACTION

Back 41

wrist extension

Front 42

Extensor Carpi Radialis Brevis

ORIGIN

Back 42

Lateral epicondyle of the humerus

Front 43

Extensor Carpi Radialis Brevis

INSERTION

Back 43

base of the 2nd metacarpal

Front 44

Extensor Carpi Radialis Brevis


ACTION

Back 44

wrist extension

Front 45

Extensor Digitorium

ORIGIN

Back 45

Lateral epicondyle of the humerus

Front 46

Extensor Digitorium

INSERTION

Back 46

phalanges 2-5

Front 47

Extensor Digitorium

ACTION

Back 47

finger and wrist extension

Front 48

Extensor Carpi Ulnaris

ORIGIN

Back 48

Lateral epicondyle of the humerus

Front 49

Extensor Carpi Ulnaris

Back 49

base of 5th metacarpal

Front 50

Extensor Carpi Ulnaris

ACTION

Back 50

wrist extension
adduction

Front 51

Flexor Carpi Radialis

ORIGIN

Back 51

medial epicondyle of humerus

Front 52

Flexor Carpi Radialis


INSERTION

Back 52

base of 2nd and 3rd metacarpal

Front 53

Flexor Carpi Radialis

Back 53

wrist flexion
weak elbow flexion

Front 54

Flexor Digitorium Profundus

ORIGIN

Back 54

coranoid process of theulna

Front 55

Flexor Digitorium Profundus

INSERTION

Back 55

PHALANGES 2-5

Front 56

Flexor Digitorium Profundus

ACTION

Back 56

flexes phalanges 2-5

Front 57

Flexor Pollicus Longus

ORIGIN

Back 57

medial epicondyle
ulna
radius

Front 58

Flexor Pollicus Longus

INSERTION

Back 58

distal phalanx

Front 59

Flexor Pollicus Longus


ACTION

Back 59

flexes distal phalanx of thumb

Front 60

Flexor Digitorum superficialis

ORIGIN

Back 60

MEDIAL epicondyle of the humerus

Front 61

Flexor Digitorum Superficialis


INSERTION

Back 61

phalanges 2-5

Front 62

Flexor Digitorum Superficialis


ACTION

Back 62

flexes phalanges 2-5
weak elbow flexion

Front 63

Flexor Carpi Ulnaris

ORIGIN

Back 63

MEDIAL epicondyle of the humerus

Front 64

Flexor Carpi Ulnaris

INSERTION

Back 64

pisiform
hamate
base of 5th metacarpal

Front 65

Flexor Carpi Ulnaris

ACTION

Back 65

wrist flexion
weak elbow flexion