Shark Musculature (Origin, Insertion, And Function)

Front 1

Pectoral fin extensors origin

Back 1

scapular process and adjacent fascia

Front 2

pectoral fin extensors insertion

Back 2

radials and ceratotrichia

Front 3

pectoral fin extensors function

Back 3

elevates pectoral fin

Front 4

pectoral fin flexors origin

Back 4

coracoid bar

Front 5

pectoral fin flexors insertion

Back 5

radials and ceratotrichia

Front 6

pectoral fin flexors function

Back 6

depresses pectoral fin

Front 7

adductor mandibulae origin

Back 7

posterior part of palatoquadrate cartilage

Front 8

adductor mandibulae insertion

Back 8

Meckel's cartilage

Front 9

adductor mandibulae function

Back 9

closes the mouth

Front 10

intermandibularis origin

Back 10

Meckel's cartilage and fascia of the adductor mandibulae

Front 11

intermandibularis insertion

Back 11

midventral raphe

Front 12

intermandibularis function

Back 12

raises the floor of the mouth

Front 13

interhyoideus origin

Back 13

midventral raphe

Front 14

interhyoideus insertion

Back 14

ceratohyal

Front 15

interhyoideus function

Back 15

compresses gill pouches

Front 16

preorbitalis origin

Back 16

midventral surface of the chondrocranium

Front 17

preorbitalis insertion

Back 17

adductor mandibulae

Front 18

preorbitalis function

Back 18

closes the mouth

Front 19

cucullaris origin

Back 19

dorsal longitudinal bundle fascia

Front 20

cucullaris insertion

Back 20

epibranchial cartilage and scapular process

Front 21

cucullaris function

Back 21

elevates the gill arches and pectoral girdle

Front 22

common coracoarcuals origin

Back 22

coracoid bar

Front 23

common coracoarcuals insertion

Back 23

coracohyoid

Front 24

common coracoarcuals function

Back 24

opens the mouth

Front 25

coracomandibularis origin

Back 25

fascia of common coracoarcuals

Front 26

coracomandibularis insertion

Back 26

Meckel's cartilage

Front 27

coracomandibularis function

Back 27

opens the mouth

Front 28

coracohyoideus origin

Back 28

common coracoarcuals

Front 29

coracohyoideus insertion

Back 29

basihyal

Front 30

coracohyoideus function

Back 30

opens the mouth

Front 31

inferior oblique origin

Back 31

anterior end of orbit

Front 32

inferior oblique insertion

Back 32

ventral side of eyeball

Front 33

inferior oblique function

Back 33

rotates eye ventrally

Front 34

inferior rectus origin

Back 34

posterior end of orbit

Front 35

inferior rectus insertion

Back 35

ventral side of eyeball

Front 36

inferior rectus function

Back 36

rotates eye ventrally

Front 37

lateral rectus origin

Back 37

posterior end of orbit

Front 38

lateral rectus insertion

Back 38

lateral side of eyeball

Front 39

lateral rectus function

Back 39

rotates eye posteriorly

Front 40

medial rectus origin

Back 40

posterior end of orbit

Front 41

medial rectus insertion

Back 41

medial side of eyeball

Front 42

medial rectus function

Back 42

rotates eye cranially

Front 43

superior oblique origin

Back 43

anterior end of orbit

Front 44

superior oblique insertion

Back 44

dorsal side of eyeball

Front 45

superior oblique function

Back 45

rotates eye dorsally

Front 46

superior rectus origin

Back 46

posterior end of orbit

Front 47

superior rectus insertion

Back 47

dorsal side of eyeball

Front 48

superior rectus function

Back 48

rotates eye dorsally