Muscle Origin And Insertion (Kendall)

Front 1

adductor pollicis origin

Back 1

oblique fibers O: capitate bone and bases of the 2nd and 3rd metacarpals

transverse fibers O: palmar surface of the 3rd metacarpal bone

Front 2

adductor pollicis insertion

Back 2

I: transverse head into the ulnar side of base of the proximal phalanx of the thumb and oblique head into the extensor expansion

Front 3

abductor pollicis brevis origin

Back 3

O: flexor retinaculum, tubercle of the trapezium bone and tubercle of the scaphoid bone

Front 4

abductor pollicis brevis insertion

Back 4

I: base of the proximal phalanx of the thumb, radial side and extensor expansion

Front 5

opponens pollicis origin

Back 5

O: flexor retinaculum and tubercle of the trapezium bone

Front 6

opponens pollicis insertion

Back 6

I: entire length of the 1st metacarpal bone, radial side

Front 7

flexor pollicis longus origin

Back 7

O: anterior surface of the body of the radius below the tuberosity, interosseous membrane, medial border of the coronoid process of the ulna, and/or the medial epicondyle of the humerus

Front 8

flexor pollicis longus inertion

Back 8

I: base of the distal phalanx of the thumb, palmar surface

Front 9

flexor pollicis brevis origin

Back 9

superficial head O: flexor retinaculum and trapezium bone

deep head O: trapezoid and capitate bones

Front 10

flexor pollicis brevis insertion

Back 10

I: base of the proximal phalanx of the thumb (radial side) and extensor expansion

Front 11

extensor pollicis longus origin

Back 11

O: middle 1/3 of the posterior surface of the ulna distal to the origin of the abductor pollicis longus, and to the interosseous membrane

Front 12

extensor pollicis longus insertion

Back 12

I: base of the distal phalanx of the thumb, dorsal surface

Front 13

extensor pollicis brevis origin

Back 13

O: posterior surface of the body of the radius distal to the origin of the abductor pollicis longus, and to the interosseous membrane

Front 14

extensor pollicis brevis insertion

Back 14

I: base of the proximal phalanx of the thumb, dorsal surface

Front 15

abductor pollicis longus origin

Back 15

O: posterior surface of the body of the ulna distal to the origin of the supinator, interosseous membrane, and posterior surface of the middle 1/3 of the body of the radius

Front 16

abductor pollicis longus insertion

Back 16

I: base of the 1st metacarpal bone

Front 17

opponens digiti minimi origin

Back 17

O: hook of the hamate bone and the flexor retinaculum

Front 18

opponens digiti minimi insertion

Back 18

I: entire length of the 5th metacarpal bone, ulnar side

Front 19

abductor digiti minimi origin

Back 19

O: tendon of the flexor carpi ulnaris and the pisiform bone

Front 20

abductor digiti minimi insertion

Back 20

I: by two slips: one into base of proximal phalanx of the little finger, ulnar side, and one into the ulnar border of the extensor expansion

Front 21

flexor digiti minimi origin

Back 21

O: hook of hamate bone and the flexor retinaculum

Front 22

flexor digiti minimi insertion

Back 22

I: base of the proximal phalanx of the little finger, ulnar side

Front 23

palmaris longus origin

Back 23

O: common flexor tendon from the medial epicondyle of the humerus and the deep antebrachial fascia

Front 24

palmaris longus insertion

Back 24

I: flexor retinaculum and palmar aponeurosis

Front 25

palmaris brevis origin

Back 25

O: ulnar border of the palmar aponeurosis and palmar surface of the flexor retinaculum

Front 26

palmaris brevis insertion

Back 26

I: skin on the ulnar border of the hand

Front 27

extensor digitorum (hand) origin

Back 27

O: common extensor tendon from the lateral epicondyle of the humerus and deep antebrachial fascia

Front 28

extensor digitorum (hand) insertion

Back 28

I: by four tendons, each penetrating a membranous expansion on the dorsum of the 2nd - 5th digits and dividing over the proximal phalanx into a medial and two lateral bands. The medial band inserts into the base of the middle phalanx; the lateral bands reunite over the middle phalanx and insert into the base of the distal phalanx

Front 29

flexor digitorum superficialis origin

Back 29

humeral head O: common flexor tendon from the medial epicondyle of the humerus, ulnar collateral ligament of the elbow joint, and deep antebrachial fascia

ulnar head O: medial side of the coronoid process

radial head O: oblique line of the radius

Front 30

flexor digitorum superficialis insertion

Back 30

I: by four tendons into the sides of the middle phalanges of the 2nd-5th digits

Front 31

flexor digitorum profundus origin

Back 31

O: anterior medial surfaces of the proximal 3/4 of the ulna, interosseous membrane, and deep antebrachial fascia

Front 32

flexor digitorum profundus insertion

Back 32

I: by four tendons into the bases of the distal phalanges, anterior surface

Front 33

flexor carpi radialis origin

Back 33

O: common flexor tendon from the medial epicondyle of the humerus and deep antebrachial fascia

Front 34

flexor carpi radialis insertion

Back 34

I: base of the 2nd metacarpal bone and a slip to the base of the 3rd metacarpal bone

Front 35

flexor carpi ulnaris origin

Back 35

humeral head O: common flexor tendon from the medial epicondyle of the humerus

ulnar head O: by aponeurosis from the medial margin of the olecranon, proximal 2/3 of the posterior border of the ulna and from the deep antebrachial fascia

Front 36

flexor carpi ulnaris insertion

Back 36

I: pisiform bone and, by ligaments, to the hamate and 5th metacarpal bones

Front 37

extensor carpi radialis longus origin

Back 37

O: distal 1/3 of the lateral supracondylar ridge of the humerus and lateral intermuscular septum

Front 38

extensor carpi radialis longus insertion

Back 38

I: dorsal surface of the base of the 2nd metacarpal bone, radial side

Front 39

extensor carpi radialis brevis origin

Back 39

O: common extensor tendon from the lateral epicondyle of the humerus, radial collateral ligament of elbow joint, and deep antebrachial fascia

Front 40

extensor carpi radialis brevis insertion

Back 40

I: dorsal surface of the base of the 3rd metacarpal bone

Front 41

extensor carpi ulnaris origin

Back 41

O: common extensor tendon from the lateral epicondyle of the humerus, by the aponeurosis from the posterior border of the ulna and deep antebrachial fascia

Front 42

extensor carpi ulnaris insertion

Back 42

I: base of the 5th metacarpal bone, ulnar side

Front 43

pronator teres origin

Back 43

humeral head O: immediately above the medial epicondyle of the humerus, common flexor tendon, and deep antebrachial fascia

ulnar head O: medial side of the coronoid process of the ulna

Front 44

pronator teres insertion

Back 44

I: middle of the lateral surface of the radius

Front 45

pronator quadratus origin

Back 45

O: medial side, anterior surface of the distal 1/4 of the ulna

Front 46

pronator quadratus insertion

Back 46

I: lateral side, anterior surface of the distal 1/4 of the radius

Front 47

supinator origin

Back 47

O: lateral epicondyle of the humerus, radial collateral ligament of the elbow joint, annular ligament of the radius and supinator crest of the ulna

Front 48

supinator insertion

Back 48

I: lateral surface of the upper 1/3 of the body of the radius, covering part of the anterior and posterior surfaces

Front 49

biceps brachii origin

Back 49

short head O: apex of the coracoid process of the scapula

long head O: supraglenoid tubercle of the scapula

Front 50

biceps brachii insertion

Back 50

I: tuberosity of the radius and aponeurosis of the biceps brachii

Front 51

brachialis origin

Back 51

O: distal 1/2 of the anterior surface of the humerus and both medial and lateral intermuscular septa

Front 52

brachialis insertion

Back 52

I: tuberosity and coronoid process of the ulna

Front 53

triceps brachii origins

Back 53

long head O: infraglenoid tubercle of the scapula

lateral head O: lateral and posterior surfaces of the proximal 1/2 of the body of the humerus and lateral intermuscular septum

medial head O: distal 2/3 of the medial and posterior surfaces of the humerus below the radial groove and from the medial intermuscular septum

Front 54

triceps brachii insertion

Back 54

I: posterior surface of the olecranon process of the ulna and antebrachial fascia

Front 55

anconeous origin

Back 55

O: lateral epicondyle of the humerus, posterior surface

Front 56

anconeous insertion

Back 56

I: lateral side of the olecranon process and upper 1/4 of the posterior surface of the body of the ulna

Front 57

brachioradialis origin

Back 57

O: proximal 2/3 of the lateral supracondylar ridge of the humerus, and lateral intermuscular septum

Front 58

brachioradialis insertion

Back 58

I: lateral side of the base of the styloid process of the radius