Anatomy, Arcadia Pa

Front 1

Trapezius
Origin

Back 1

medial third of the superior nuchal line
spinous process of C7-T12

Front 2

serratus posterior superior
origin

Back 2

nuchal lig
spin. process of C7-T3

Front 3

serratus posterior superior
insertion

Back 3

sup border of 2nd and 4th ribs

Front 4

serratus posterior superior
NS

Back 4

2nd to 5th intercostal nerves

Front 5

serratus posterior inferior
Origin

Back 5

spinous process of T11-L2

Front 6

serratus posterior inferior
Insertion

Back 6

inferior borders of 8th to 12th ribs near their angles

Front 7

serratus posterior inferior
NS

Back 7

ventral rami of 9th to 12th thoracic spinal nerves

Front 8

Latissimus Dorsi
origin

Back 8

spinous process of inf. 6 Thoracic vert.

Front 9

Latissimus Dorsi
insertion

Back 9

floor of intertubercule groove of humerus

Front 10

Latissimus Dorsi
NS

Back 10

Thoracodorsal Nerve (C6-C8)

Front 11

Latissimus Dorsi
Ax

Back 11

extends, adducts and medially rotates humerus
raises body toward arms when climbing

Front 12

Levator scapulae
origin

Back 12

posterior tubercules of transverse processes of C1-4

Front 13

Levator scapulae
insertion

Back 13

sup. border of scapula

Front 14

Levator scapulae
NS

Back 14

dorsal scapular nerve (C5) and cervical nerves (C3/4)

Front 15

Supraspinatus
Ax

Back 15

initates and helps deltoid abduct arm and acts with rotator cuff

Front 16

infraspinatus
Ax

Back 16

Lat rotate arm
help hold head in glen

Front 17

Teres Minor
Origin

Back 17

Superior part of lateral border of scap

Front 18

Teres Minor
Insertion

Back 18

inferior facet on greater tubercle of humerus

Front 19

Teres Minor
Ax

Back 19

Lat rotate arm
help hold head in glen

Front 20

Teres Major
Origin

Back 20

Dorsal Surface of inf angle of scap

Front 21

Teres Major
Insertion

Back 21

Medial lip of intertubercular groove of humerus

Front 22

Teres Major
NS

Back 22

Lower scapular nerve (C6-7)

Front 23

Teres Major
Action

Back 23

Adducts arm
Medially rotates arm

Front 24

Subscapularis
Ax

Back 24

Medially rotates arms
Adduction of arm
Helps hold humerus in glen

Front 25

biceps brachii
origin

Back 25

short head- tip of coracoid process
long head- supraglenoid tubercle of scapula

Front 26

Brachialis
insertion

Back 26

coronoid process and tuberosity of ulna

Front 27

Pectoralis Major
Origin

Back 27

Clavicular head- ant surface of medial half of clavicle
Sternocostal- ant surface of sternum and costal cartilages

Front 28

Pectoralis Major
Insertion

Back 28

Lateral lip of intertubercule groove of humerus

Front 29

Pectoralis Minor
origin

Back 29

3-5th ribs near costal cartilages

Front 30

Pectoralis Minor
insertions

Back 30

medial border and superior surfce of coracoid process of scapula

Front 31

Pectoralis Minor
Ax

Back 31

Stabilizes scapula by drawing it towards Thoracic wall

Front 32

Subclavius
origin

Back 32

junction of 1st rib and its costal cartilage

Front 33

Subclavius
Insertion

Back 33

inferior surface of middle third of clavicle

Front 34

subclavius
NS

Back 34

C5 and C6

Front 35

Subclavius
Ax

Back 35

Anchors and depresses clavicle

Front 36

Serratus Anterior
Origin

Back 36

External surfaces of lateral parts of 1-8th ribs

Front 37

Serratus Anterior
Insertion

Back 37

ant surface of medial border of scapula

Front 38

Serratus Anterior
Ax

Back 38

protracts scapula
holds it to thoracic wall
rotates scapula

Front 39

Posterior Scalene
Origin

Back 39

Posterior Tubercles of transverse processes of C4-C6 vert

Front 40

Posterior Scalene
insertion

Back 40

External border of 2nd rib

Front 41

Posterior Scalene
NS

Back 41

anterior rami of cervical spinal nerves

Front 42

Middle Scalene
Origin

Back 42

Posterior Tubercles of transverse processes of C2-C7 vert

Front 43

Middle Scalene
NS

Back 43

Anterior rami of cervical spinal nerves

Front 44

Anterior scalene
origin

Back 44

transverse processes of C4-6 vert.

Front 45

anterior scalene
NS

Back 45

cervical spinal nerves C4-6

Front 46

Omohyoid
origin

Back 46

superior border of scapula near the suprascapular notch

Front 47

Omohyoid
NS

Back 47

C1-3 by brach of ansa cervicalis

Front 48

Omohyoid
Ax

Back 48

Depresses hyoid bone after it has been elevated during swallowing
Depresses, retracts and steadies hyoid bone

Front 49

Stylohyoid
Ax

Back 49

Elevates and retracts hyoid bone, which elongates floor of mouth

Front 50

Anterior Belly of Digastric
Origin

Back 50

digastric fossa of mandible

Front 51

Posterior Belly of Digastric
Origin

Back 51

Mastoid notch of temporal bone

Front 52

Digastric
Insertion

Back 52

Intermediate tendon that attaches to the hyoid bone

Front 53

Digastric
Ax

Back 53

Depresses mandible
Raises hyoid bone and steadies during swallowing and speaking

Front 54

Sternohyoid
NS

Back 54

Cervial Plexus

Front 55

Sternothyroid
NS

Back 55

Cervical Plexus

Front 56

thyrohyoid
origin

Back 56

oblique ling of thyroid cartilage

Front 57

thyrohyoid
insertion

Back 57

inferior border and greater horn of hyoid bone

Front 58

thyrohyoid
NS

Back 58

cervical plexus

Front 59

Thyrohyoid
Ax

Back 59

Depresses hyoid bone and elevates larynx

Front 60

Pronator teres
Origin

Back 60

Med epicondyle of humerus and coronoid process of ulna

Front 61

Pronator teres
Insertion

Back 61

Middle lat surface of radius

Front 62

Pronator quadratus
origin

Back 62

distal 4th of ant surface of ulna

Front 63

Pronator quadratus
insertion

Back 63

distal 4th of ant surface of radius

Front 64

Pronator quadratus
NS

Back 64

Ant surface of nerve off of median nerve

Front 65

Brachioradialis
origin

Back 65

proximal 2/3 of lat supracondylar ridge of humerus

Front 66

Brachioradialis
insertion

Back 66

distal 4th of ant surface of radius

Front 67

Supinator
Origin

Back 67

Lat Epicondyle of humerus, radial collateral and anular ligaments, supinator fossa and crest of ulna

Front 68

Supinator
insertion

Back 68

lat, post and ant surfaces of proximal 3rd of radius