Muscles Of The Forearm And Hand

Front 1

Brachialis A

Back 1

Flexes the elbow

Front 2

Brachialias O

Back 2

Distal half of anterior surface of humerus

Front 3

Brachialias I

Back 3

Tuberosity and coronoid process of ulna

Front 4

Brachioradialis A

Back 4

Flexes the elbow and assists in pronation oand supinationof the forearm when resisted

Front 5

Brachioradialis O

Back 5

Lateral supracondylar ridge of humerus

Front 6

Brachioradialis I

Back 6

Styloid process of radius

Front 7

Extensor Crapi Radialis Longus and Brevis A

Back 7

Extend the wrist, abduct the wrist, assist in flextion of elbow

Front 8

Extensor Carpi Radialis Longus and Brevis O

Back 8

Lateral supracondylar ridge of humerus

Front 9

Extensor Carpi Radialis Longus I

Back 9

Base of second metacarpal

Front 10

Extensor Carpi Radialias Brevis I

Back 10

Base of third metacarpal

Front 11

Extensor Carpi Ulnaris A

Back 11

Extends the wrist, Adducts the wrist

Front 12

Extensor Carpi Ularis O

Back 12

Common extensor tendon from lateral epicondlye of humerus

Front 13

Extensor Carpi Ulnaris I

Back 13

Base of fifth metacarpal

Front 14

Flexor Carpi Radialis A

Back 14

Flexes the wrist, Abducts the wrist, Flexes the elbow

Front 15

Flexor Carpi Radialis O

Back 15

Common flexor tendon from medial epicondlye

Front 16

Flexor Carpi Radialis I

Back 16

Base of second and third metacarpal

Front 17

Palmaris Longus A

Back 17

Tenses the palmar fascia, Flexes teh wrist, Flexes the elbow

Front 18

Palmaris Longus O

Back 18

Common flexor tendon from medial epicondyle

Front 19

Palmaris Longus I

Back 19

Base of second and third metacarpal

Front 20

Flexor Carpi Ulnaris A

Back 20

Flexes the wrist, Adducts the wrist, May flex the elbow

Front 21

Flexor Carpi Ulnaris O

Back 21

Common flexor tendon form medial epicondlye

Front 22

Flexor CArpi Ulnaris I

Back 22

Pisiform

Front 23

Flexor Digitorum Profundus A

Back 23

Flexes the second through fifth fingers, May flex the wrist

Front 24

Flexor Digitorum Produndus O

Back 24

Anterier and medial surfaces of proximal three-quarters of ulna

Front 25

Flexor Digitorum Profundus I

Back 25

By four tendons into bases of distal phlanges, palmar surface

Front 26

Flexor Digitorum Superficialis A

Back 26

Flexes the second throught fifth fingers, Flexes the wrist

Front 27

Flexor Digitorum Superficialis O

Back 27

Common flexor tendon from medial epicondlye of humerus, ulnar collateral ligament, coroniod process of radius

Front 28

Flexor Digitorum Superficialis I

Back 28

By four tendons into sides of middle phalanges of second through fifth fingers

Front 29

Pronator Teres A

Back 29

Pronates the forearm, Assists in flexion of elbow

Front 30

Pronator Teres O

Back 30

Medial epicondlye of humerus, common flexor tendon, and coronoid process of ulna

Front 31

Pronator Teres I

Back 31

Middle of lateral surface of radius

Front 32

Opponens Pollicis A

Back 32

Opposition of the thumb at the carpometacarpal joint

Front 33

Opponens Pollicis O

Back 33

Flexor retinaculum and tubercle of the trapezium

Front 34

Opponens Pollicis I

Back 34

Entire lingth of first metacarpal bone, radial side

Front 35

First Dorsal Interosseous A

Back 35

Abducts the index finger, Assists in flexion of index finger, Assists inextension of index finger

Front 36

First Dorsal Interossious O

Back 36

Ulnar surface of first metacarpal, radial surface of second metaacrpal

Front 37

First Dorsal Interosseous I

Back 37

Proximal phalange on radial side of index finger

Front 38

Adductor Pollicis A

Back 38

Adducts the thumb, Adducts and assists flexion of the thumb

Front 39

Adductor Pollicis O

Back 39

Capitate, second and third metacarpals

Front 40

Adductor Pollicis I

Back 40

Base of proximal phalange

Front 41

Extensor Pollicis Longus and Brevis A

Back 41

Extend the thumb (interphalangeal joint), Assists in extending the thumb (metacarpophlangeal and carpometacarpal joints)

Front 42

Extensor Pollicis Longus and Brevis O

Back 42

Posterior surface fo radius and ulna, deep to extensors

Front 43

Extensor Pollicis Longus I

Back 43

Distal phalange of thumb

Front 44

Extensor Pollicis Brevis I

Back 44

Proximal phalange of thumb

Front 45

Flexor Pollicis Longus A

Back 45

Flexes the thumb (interphalangeal joint), Assists in flexing the thumb (metacarpophalangeal and carpometacarpal joints)

Front 46

Flexor Pollicis Longus O

Back 46

Anterior surface of radius, deep fo flexors

Front 47

Flexor Pollicis Longus I

Back 47

Distal phalange of thumb

Front 48

Abductor Pollicis Longus A

Back 48

Abducts the thumb, Extends the thumb

Front 49

Abductor Pollicis Longus O

Back 49

Posterior surface of radius oand ulna, deep to extensors

Front 50

Abductor Pollicis Longus I

Back 50

Base of first metacarpal