Anatomy 1 Lab Final

Front 1

Rectus Abdominis Muscle:
Origin -
Insertion -
Action -

Back 1

O - Superior edge of Pubis
I - Xiphoid process of Sternum, lower Ribs
A - tenses abdominal wall, flexes vertebral column

Front 2

Gracilis Muscle:
Origin -
Insertion -
Action -

Back 2

O - Inferior edge of Pubic bone
I - Medial surface of Tibia
A - adducts thigh, flexes leg

Front 3

Biceps Femoris Muscle:
Origin -
Insertion -
Action -

Back 3

O - Ischium, Femur
I - head of fibula, lateral condyle of tibia
A - flexes & laterally rotates leg, extends thigh

Front 4

Sartorius Muscle:
Origin -
Insertion -
Action -

Back 4

O - Anterior Ilium
I - Medial Surface of Tibia
A - Flexes leg & thigh, abducts & rotates thigh

Front 5

Rectus Femoris Muscle:
Origin -
Insertion -
Action -

Back 5

O - Ilium, margin of acetabulum
I - anterior tibia by the Patellar tendon
A - extends the leg

Front 6

Tibialis Anterior Muscle:
Origin -
Insertion -
Action -

Back 6

O - Lateral condyle & surface of tibia
I - tarsal bone & IST metatarsal
A - dorsiflexion, inversion

Front 7

Extensor Digitorum Longus:
Origin -
Insertion -
Action -

Back 7

O - Lateral condyle of tibia & fibula
I - dorsal surfaces of toes 2-5
A - dorsiflexion and extension of toes

Front 8

Gastrocnemius:
Origin -
Insertion -
Action -

Back 8

O - lateral & medial condyles of femur
I - posterior surface of calcaneus (Achilles tendon)
A - plantar flexion

Front 9

Flexor Digitorum Longus:
Origin -
Insertion -
Action -

Back 9

O - Posterior Tibia
I - Distal phalanges of toes 2-5
A - flexion of toes

Front 10

Extensor Hallucis Longus:
Origin -
Insertion -
Action -

Back 10

O - anterior fibula
I - distal phalanx of Great Toe
A - extends great Toe

Front 11

Biceps Brachii Muscle:
Origin -
Insertion -
Action -

Back 11

O - Scapula
I - Radius
A - Flexes & Laterally Rotates

Front 12

Brachioradialis Muscle:
Origin -
Insertion -
Action -

Back 12

O - Distal Humerus
I - Radius
A - Flexes

Front 13

Triceps Brachii Muscle:
Origin -
Insertion -
Action -

Back 13

O - Scapula & humerus
I - Olecranon process of ulna
A - extends

Front 14

Flexor Digitorum Superficialis Muscle:
Origin -
Insertion -
Action -

Back 14

O - Distal humerus, proximal ulna & radius
I - tendons of the fingers
A - flexes fingers & hand

Front 15

Flexor Pollicis Longus Muscle:
Origin -
Insertion -
Action -

Back 15

O - Anterior Radius
I - distal phalanx of thumb
A - flexes the thumb

Front 16

Extensor Digitorum Muscle:
Origin -
Insertion -
Action -

Back 16

O - distal humerus
I - Posterior surface of phalanges in finger 2-5
A - extends fingers

Front 17

Extensor Pollicis Longus Muscle:
Origin -
Insertion -
Action -

Back 17

O - middle of ulna
I - distal phalanx of the thumb
A - extends the thumb

Front 18

Buccinator Muscle:
Origin -
Insertion -
Action -

Back 18

O - Mandible, Maxilla
I - Angle of mouth
A - aids in chewing, blowing air out

Front 19

Platysma Muscle:
Origin -
Insertion -
Action -

Back 19

O - CT in upper chest
I - inferior edge of Mandible
A - pulls the angles of mouth down

Front 20

Masseter Muscle:
Origin -
Insertion -
Action -

Back 20

O - inferior edge of Zygomatic bone
I - mandible
A - prime mover in mastication

Front 21

Sternocleidomastoid Muscle:
Origin -
Insertion -
Action -

Back 21

O - sternum, clavicle
I - mastoid process of temporal bone
A - turns face laterally, pulls the head down

Front 22

Levator Scapulae Muscle:
Origin -
Insertion -
Action -

Back 22

O - Cervical Vertebrae
I - Meidal edge of scapula
A - elevates scapula

Front 23

Deltoid Muscle:
Origin -
Insertion -
Action -

Back 23

O - scapula & clavicle
I - humerus
A - abducts, extends, & flexes

Front 24

Cerebrum

Back 24

hemispheres of brain

Front 25

Corpus Callosum

Back 25

White fibers that connect cerebrum hemispheres

Front 26

Frontal Lobes

Back 26

Front of brain

Front 27

Parietal Lobes

Back 27

Middle Top of brain

Front 28

Temporal lobes

Back 28

middle top sides of brain

Front 29

occipital lobes

Back 29

back of brain

Front 30

cerebellum

Back 30

far back of brain. seperate from brain

Front 31

optic chiasma

Back 31

tail thing in back of brain

Front 32

optic nerve

Back 32

tip of optic chiasma (tail ends)

Front 33

3 parts of brain stem

Back 33

midbrain - fron
pons - middle
medulla oblongata - end

Front 34

optic chiasma

Back 34

tail thing in back of brain

Front 35

optic nerve

Back 35

tip of optic chiasma (tail ends)

Front 36

3 parts of brain stem

Back 36

midbrain - fron
pons - middle
medulla oblongata - end