Muscle And Their Origins/insertions Only

Front 1

Deltoid

Back 1

Origin: lateral one-third of clavicle acromion and spine of scapula

Insertion: deltoid tuberocity

Front 2

Trapezius

Back 2

Origin - external occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae and spinous processes of C-7 through T-12

Insertion - lateral 1/3 of clavicle, acromion, and spine of the scapula

Front 3

Latissimus dorsi

Back 3

origin - inferior angle of the scapula, spinous processes of the last six thoracic vertebrae, last three or four ribs, thorough caliber fascia, and posterior iliac crest

Insertion - intertubular groove of the humerus

Front 4

Teres major

Back 4

Origin - inferior angle and a lower one-third of lateral border of the scapula

Insertion - crest of the lesser tubercle of the humerus

Front 5

Supraspinatus

Back 5

Origin - super spinous fossa of the scapula

insertion - greater tubervle of the humerus

Front 6

Infraspinatus

Back 6

Origin dash infra spinous fossa of the scapula

Insertion dash greater tubercle of the humerus

Front 7

Teres minor

Back 7

Origin - upper 2/3 of the lateral border of the scapula

Insertion - tubercle of the humerus

Front 8

Subscapularis

Back 8

Origin dash subscapular fossa of the scapula

Insertion dash lesser tubercle of the humerus

Front 9

Rhomboid major

Back 9

Origin - spinous process of the t-2 to t-5

Insertion - medial border of the scapula between the spine and the scapula inferior angle

Front 10

Rhomoid minor

Back 10

Origin - spinous processes of the C-7 and t-1

Insertion - upper portion of the medial border of the scapula, across from the spine of the scapula

Front 11

Levator scapula

Back 11

Origin - transverse processes of the first through fourth cervical vertebrae

Insertion - medial border of the scapula, between the superior angle and Superior portion of the spine of scapula

Front 12

Serratus anterior

Back 12

Origin - external surfaces of the upper eight or nine ribs

Insertion dash anterior surface of the medial border of the scapula

Front 13

Pectoralis major

Back 13

Origin - medial half of the clavicle, sternum and cartilage of the first through sixth ribs

Insertion - crest of greater tubercle of humorous

Front 14

Pectoralis minor

Back 14

origin - 3rd 4th and 5th ribs

Insertion dash medial surface of the coracoid process of the scapula

Front 15

Subclavius

Back 15

Origin - first rib and cartilage

insertion - inferior surface of the middle one-third of clavicle

Front 16

Biceps brachii

Back 16

Origin -

short head : correlate process of scapula

long head : Supraglenoid tubercle of

scapula

Insertion - tuberosity of the radius and aponeurosis of the biceps brachii

Front 17

Triceps brachii

Back 17

Origin:

Long head: infraglenoid tubercle of the scapula

Lateral head : posterior surface of the proximal half of the humerus changing them

Medial head: posterior surface of distal half of the humerus

Insertion : olecranon process of the ulna

Front 18

Coracobrachialis

Back 18

Origin - coracoid process of the scapula

insertion - medial surface of the mid-humeral shaft

Front 19

Brachialis

Back 19

Origin - distal half of anterior surface of humerus

insertion - tuberosity and coronoid process of ulna

Front 20

Brachioradialis

Back 20

Origin - proximal 2/3 of the lateral supracondylar ridge of the humerus

insertion- styloid process of the radius

Front 21

Extensor carpi radialis longus

Back 21

Origin - distal 1/3 of the lateral supercondylar ridge of the humerus

Insertion - base of the second metacarpal

Front 22

Extensor carpi radialis brevis

Back 22

Origin - common extensor tendon from the lateral epicondyle of the humerus

Insertion - base of the third metacarpal

Front 23

Extensor carpi ulnaris

Back 23

Origin - common extensor tendon from the lateral epicondyle of the humerus

insertion - base of the fifth metacarpal

Front 24

Extensor digitorum

Back 24

Origin - common extensor tendon from the lateral epicondyle of humerus

insertion - basis of middle and distal phalanges of second through fifth fingers

Front 25

Aconeus

Back 25

Origin - lateral epicondyle of the humerus

insertion - olecranon process and posterior proximal surface of ulna

Front 26

Extender indicis

Back 26

Origin - posterior surface of distal shaft of ulna and interosseous membrane

Extensor - tendon of the extensor digitorum have the level of the second metacarpal

Front 27

Flexor carpi radialis

Back 27

Origin - common flexor tendon from medial epicondyle of humerus

insertion - bases of second and third metacarpals

Front 28

Palmaris longus

Back 28

Origin - common flexor tendon from the medial epicondyle of humerus

insertion - flexor retinaculum and palmar aponeurosis

Front 29

Flexor carpi ulnaris

Back 29

Origin :

humoral head - common flexor tendon from medial epicondyle of humerus ulnar head - posterior surface of proximal 2/3 of ulna

Insertion- pisiform, hook of the hamate, and base of fifth metacarpal

Front 30

Flexor digitorum superficialis

Back 30

Origin - common flexor tendon from medial epicondyle of humerus ulnar collateral ligament, chronoid process of ulna interosseous membrane, and proximal shaft of radius

Insertion - sides of middle phalanges of second through fifth fingers

Front 31

Plexor digitorum profundus

Back 31

Origin - anterior and medial surfaces of proximal three quarters of ulna

Insertion- faces of digital phalanges, palmar service of second through fifth fingers

Front 32

Pronator teres

Back 32

Origin - common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna

insertion - middle of lateral surface of the radius

Front 33

Pronator quadratus

Back 33

Origin - medial anterior surface of distal ulna

insertion - lateral anterior surface of distal radius

Front 34

Supinator

Back 34

Origin - lateral epicondyle of humerus, radial collateral ligament, annular ligament, and supinator crest of the ulna

Insertion- anterior, lateral surface of proximal one third of radial shaft

Front 35

Abductor pollicis longus

Back 35

Origin - posterior surface of radius and ulna, and interosseos membrane

insertion - base of first metacarpal

Front 36

Extensor pollicis longus

Back 36

Origin - posterior surface of ulna and interosseous membrane

insertion - base of distal phalanx of thumb

Front 37

Extensor pollicis brevis

Back 37

Origin - posterior surface of radius and interosseous membrane

insertion - base of proximal phalanx of thumb

Front 38

Abductor pollicis brevis

Back 38

Origin - flexor retinaculum, trapezium and scaphoid tubercles

insertion - base of proximal phalanx of thumb

Front 39

Flexor Pollicis Brevis

Back 39

Origin-

Superficial head - flexor retinaculum

deep head - trapezium, trapezoid, and capitate

insertion-based proximal phalanx of thumb

Front 40

Opponens Pollicis

Back 40

Origin - flexor retinaculum and tubercle of the trapezium

Insertion - entire length of the first metacarpal bone, radial surface

Front 41

Adductor Pollicis

Back 41

Origin - capitate, second and third metacarpals

Insertion - base of proximal phalanx of thumb

Front 42

Lumbricals of the Hand

Back 42

Origin - Surfaces of the flexor digitorum profundus tendons

Insertion - extensor aponeurosis on dorsal surface of phalanges

Front 43

Palmar Interossei

Back 43

Origin - base of first, second, fourth, and fifth metacarpals

Insertion- base of the proximal phalanx of the related finger and the extensor aponeurosis

Front 44

Dorsal Interossei

Back 44

Origin - adjacent sides of all metacarpalsInsertion- base of the proximal phalanx of the second, third, and fourth fingers and the extensor aponeurosis