Muscles Exam 1 2013- Origin And Insertion

Front 1

Trapezius*

Back 1

Origin:
External occipital protuberance & superior nuchal line; ligamentum nuchae; spinous process of C7-T12

Hint 1

Insertion:
Lateral third of clavicle; acromion process; spine of scapula (same as origin of Deltoid)

Front 2

Latissimus dorsi*

Back 2

Origin:
Spinous processes of T7-S1; ribs 9-12; iliac crest; thoracolumbar fascia

Hint 2

Insertion:
Crest of lesser tubercle of humerus

Front 3

Rhomboid Major*

Back 3

Origin:
Spinous processes of T2-T5

Hint 3

Insertion:
Medial border of scapula inferior to spine

Front 4

Teres Minor*

Back 4

Origin:
Middle half of lateral border of scapula

Hint 4

Insertion:
Lowest facet of Greater tubercle of humerus

Front 5

Supraspinatus*

Back 5

Origin:
Supraspinous fossa of scapula

Hint 5

Insertion:
Uppermost of 3 facets of Greater tubercle of humerus

Front 6

Subscapularis*

Back 6

Origin:
Subscapular fossa of scapula

Hint 6

Insertion:
Lesser tubercle of humerus

Front 7

Serratus Anterior*

Back 7

Origin:
Lateral surfaces of Ribs 1-9

Hint 7

Insertion:
Medial border of scapula, anterior surface (anterior to rhomboids)

Front 8

Serratus Posterior Superior*

Back 8

Origin:
Spinous processes of C7-T3 vertebrae

Hint 8

Insertion:
Lateral borders of ribs 2-5

Front 9

Serratus Posterior Inferior*

Back 9

Origin:
Spinous processes of T11-L2 vertebrae

Hint 9

Insertion:
Inferior borders of ribs 8-12

Front 10

Splenius Capitus*

Back 10

Origin:
Ligamentum nuchae and spinous processes of C7-T6 vertebrae

Hint 10

Insertion:
Occipital bone and mastoid process of temporal bone

Front 11

Iliocostallis*

Back 11

Origin:
Tendon from posterior part of iliac crest, posterior sacrum, and lumbar spinous processes

Hint 11

Insertion:
Angles of ribs; transverse processes of cervical vertebrae

Front 12

Longissimus*

Back 12

Origin:
Tendon from posterior part of iliac crest, posterior sacrum, and lumbar spinous processes

Hint 12

Insertion:
Mastoid process of temporal bone and transverse processes of cervical and thoracic vertebra

Front 13

Spinalis*

Back 13

Origin:
Lumbar spinous processes (thoracic part) and C7 spinous process (cervical part)

Hint 13

Insertion:
Spinous process of axis and thoracic vertebra

Front 14

Semispinalis*

Back 14

Origin:
Transverse processes of C4-T12 vertebra

Hint 14

Insertion:
Occipital bone and spinous processes of cervical and thoracic vertebra (5 vert above origin)

Front 15

Multifidus*

Back 15

Origin:
Sacrum and transverse processes of each vertebrae

Hint 15

Insertion:
Spinous processes of vertebra located 3 segments superior to origin

Front 16

Rotatores*

Back 16

Origin:
Transverse processes of each vertebra

Hint 16

Insertion:
Spinous process of vertebra immediately superior

Front 17

Pectoralis Major*

Back 17

Origin:
Medial clavicle; costal cartilages of ribs 1-6; manubrium & body of sternum

Hint 17

Insertion:
Bilaminar tendon crosses the lateral part of intertubercular groove of humerus to greater tubercle

Front 18

Biceps Brachii long and short head*

Back 18

Origin:
Long: Supraglenoid tubercle of scapula
Short: Coracoid process of scapula

Hint 18

Insertion:
Radial tuberosity and bicipital aponeurosis

Front 19

Coracobrachialis*

Back 19

Origin:
Coracoid process of scapula

Hint 19

Insertion:
Middle medial shaft of humerus

Front 20

Brachialis*

Back 20

Origin:
Distal 1/2 of anterior surface of humerus

Hint 20

Insertion:
Tuberosity and coronoid process of ulna

Front 21

Brachioradialis*

Back 21

Origin:
Lateral supracondylar ridge of humerus

Hint 21

Insertion:
Styloid process of radius

Front 22

Triceps Brachii long, lateral, and medial head*

Back 22

Origin:
Long: Infraglenoid tubercle of scapula
Lateral: Posterior humerus below radial groove
Medial: Posterior humerus above radial groove

Hint 22

Insertion:
Olecron of ulna

Front 23

Pronator Teres*

Back 23

Origin:
Medial epicondyle of humerus and coronoid process of ulna

Hint 23

Insertion:
Lateral surface of radius

Front 24

Abductor digiti minimi*
(hand)

Back 24

Origin:
Pisiform bone, tendon of flexor carpi ulnaris

Hint 24

Insertion:
Proximal phalanx of finger 5

Front 25

Opponens Pollicis*

Back 25

Origin:
Flexor retinaculum, scaphoid, trapezium

Hint 25

Insertion:
Lateral side of proximal phalanx of thumb

Front 26

Flexor Digitorum Superficialis*

Back 26

Origin:
Medial epicondyle of humerus, coronoid process of ulna, and radial head from upper part of anterior border of radius

Hint 26

Insertion:
Middle phalanges of fingers 2-5

Front 27

Flexor Digitorum Profundus*

Back 27

Origin:
Anteromedial surface of ulna; interosseous membrane

Hint 27

Insertion:
Distal phalanges of fingers 2-5

Front 28

External Abdominal Oblique*

Back 28

Origin:
External surfaces of 5th-12th ribs

Hint 28

Insertion:
Linea alba, pubic tubercle, and anterior half of iliac crest

Front 29

Pectoralis Minor*

Back 29

Origin:
Ribs 2-5 or 3-6

Hint 29

Insertion:
Coracoid process of scapula

Front 30

Levator Scapulae*

Back 30

Origin:
Posterior tubercles of transverse processes of C1-C4 vertebrae

Hint 30

Insertion:
Superior angle and medial border of scapula superior to root of scapular spine

Front 31

Rhomboid Minor*

Back 31

Origin:
Ligamentum nuchae; spinous processes of C7 and T1 vertebrae

Hint 31

Insertion:
Medial border of scapula at base of spine

Front 32

Teres Major*

Back 32

Origin:
Posterior surface of inferior angle of scapula and lower third of lateral border

Hint 32

Insertion:
Lesser tubercle and intertubercular groove of humerus

Front 33

Deltoid*

Back 33

Origin;
Lateral third of clavicle, acromion, and spine of scapula (same as insertion of trapezius)

Hint 33

Insertion:
Deltoid tuberosity on body of humerus

Front 34

Platysma*

Back 34

Origin:
Subcutaneous tissue of infraclavicular and supraclavicular regions

Hint 34

Insertion:
Base of mandible; skin of cheek and lower lip; angle of mouth; orbicularis oris

Front 35

Infraspinatus*

Back 35

Origin:
Infraspinous fossa of scapula

Hint 35

Insertion:
Middle facet of Greater tubercle of humerus

Front 36

Splenius Cervicis*

Back 36

Origin:
Ligamentum Nuchae and spinous processes of C-T6 vertebrae

Hint 36

Insertion:
Tubercles of transverse processes of C1-C3 or C4 vertebrae

Front 37

Omohyoid*

Back 37

Origin:
Superior border of scapula

Hint 37

Insertion:
Hyoid bone

Front 38

Flexor Carpi Radialis*

Back 38

Origin:
Medial epicondyle of humerus

Hint 38

Insertions:
Base of the 2nd metacarpal

Front 39

Palmaris Longus*

Back 39

Origin:
Medial epicondyle of humerus

Hint 39

Insertion:
Palmar aponeurosis and flexor retinaculum of hand

Front 40

Flexor Carpi Ulnaris*

Back 40

Origin:
Medial epicondyle of humerus; olecranon and posterior surface of upper 3/5ths of ulna

Hint 40

Insertion:
Pisiform bone, hook of hamate; base of metacarpal 5

Front 41

Supinator*

Back 41

Origin:
Lateral epicondyle of humerus, lateral ligaments of elbow and supinator crest of ulna

Hint 41

Insertion:
Lateral surface of radius between anterior and posterior oblique lines

Front 42

Flexor Pollicis Longus*

Back 42

Origin:
Middle 1/2 of anterior surface of radius; interosseous membrane

Hint 42

Insertion:
Base of distal phalanx of thumb

Front 43

Pronator Quadratus*

Back 43

Origin:
Distal 1/4 of anterior ulna

Hint 43

Insertion:
Distal 1/4 of anterior radius

Front 44

Abductor Pollicis Longus*

Back 44

Origin:
Proximal dorsal surfaces of radius and ulna; interosseous membrane

Hint 44

Insertion:
Lateral edge of metacarpal 1

Front 45

Extensor Pollicis Brevis*

Back 45

Origin:
Posterior surface of radius; interosseous membrane

Hint 45

Insertion:
Base of proximal phalanx of thumb

Front 46

Extensor Pollicis Longus*

Back 46

Origin:
Posterior surface of ulna; interosseous membrane

Hint 46

Insertion:
Distal phalanx of thumb

Front 47

Extensor Carpi Radialis Brevis*

Back 47

Origin:
Lateral epicondyle of humerus

Hint 47

Insertion:
Base of 3rd metacarpal

Front 48

Extensor Carpi Radialis Longus*

Back 48

Origin:
Lateral border of humerus just distal to the brachioradialis

Hint 48

Insertion:
Base of 2nd metacarpal

Front 49

Extensor Digitorum*

Back 49

Origin:
Common extensor tendon

Hint 49

Insertion:
Distal and middle phalanges of fingers 2-5

Front 50

Extensor Digiti Minimi*

Back 50

Origin:
Lateral epicondyle of humerus

Hint 50

Insertion:
Proximal phalanx of finger 5

Front 51

Extensor Indicis*

Back 51

Origin:
Posterior surface of ulna; interosseous membrane

Hint 51

Insertion:
Tendon of extensor digitorum

Front 52

Extensor Carpi Ulnaris*

Back 52

Origin:
Common extensor tendon

Hint 52

Insertion:
Base of metacarpal 5

Front 53

Palmaris Brevis*

Back 53

Origin:
Flexor retinaculum and palmar aponeurosis

Hint 53

Insertion:
Proximal phalanx of 5th finger

Front 54

Abductor Pollicis Brevis*

Back 54

Origin:
Flexor retinaculum and trapezium

Hint 54

Insertion:
Shaft of the thumb

Front 55

Flexor Pollicis Brevis*

Back 55

Origin:
Flexor retinaculum and trapezium

Hint 55

Insertion:
Proximal phalanx of thumb

Front 56

Opponens Digiti Minimi*

Back 56

Origin:
Flexor retinaculum; hook of hamate

Hint 56

Insertion:
Base of proximal phalanx of 5th finger

Front 57

Flexor Digiti Minimi Brevis (hand)*

Back 57

Origin:
Flexor retinaculum; hook of hamate

Hint 57

Insertion:
Base of proximal phalanx of 5th finger

Front 58

Thenar Muscles

Back 58

Abductor Pollicis Brevis
Flexor Pollicis Brevis
Opponens Pollicis

Front 59

Hypothenar Muscles

Back 59

(Palmaris Brevis)
Abductor Digiti Minimi
Flexor Digiti Minimi Brevis
Opponens Digiti Minimi

Front 60

Lumbricals (4) (hand)*

Back 60

Origin:
Tendons of flexor digitorum profundus

Hint 60

Insertion:
Dorsal tendons on fingers 2-5

Front 61

Adductor Pollicis*

Back 61

Origin:
Oblique head: Bases of 2nd and 3rd metacarpals; capitate
Transverse head: Metacarpal 3

Hint 61

Insertion:
Medial side o base of proximal phalanx of thumb

Front 62

Palmar Interossei (3)*

Back 62

Origin:
Metacarpal bones 2,4,5

Hint 62

Insertion:
Sides of proximal phalanx bases for fingers 2,4,5

Front 63

Dorsal Interossei (4)*

Back 63

Origin:
Adjacent, opposing faces of metacarpals

Hint 63

Insertion:
Dorsal tendons on fingers 2-4