Muscles.

Front 1

Back 1

Orbicularis Oculi.

Origin: frontal and maxillary bone.

Insertion: Eyelid tissue.

Action: Blinking and Squinting

Front 2

Back 2

Orbicularis Oris

Orgin: maxilla and mandible

Insertions: muscles and skin at angles of mouth.

Action: close lips, kissing, and whistling.

Front 3

Back 3

Zygomaticus

Orgin: Zygomatic Bone

Insertions: Muscles and skin at mouth corners.

Actions: smiling and laughing.

Front 4

Back 4

Buccinator

Origin: Maxilla and mandible.

Insertion: Orbicularis Oris.

Action: Compress cheek, sucking

Front 5

Back 5

Platysma

Orgin: fascia of the chest.

Insertions: mandible and skin/muscle of mouth.

Action: depress mandible. tenses skin of neck during shaving.

Front 6

Back 6

Masseter

Orgin: zygomatic bone and maxilla

Insertions: Mandible

action: closes jaw and elevates/ retracts mandible.

Front 7

Back 7

Temporalis

Orgin: Temporal bone.

Insertions: Mandible

Actions: closes jaw and elevates/retracts mandible.

Front 8

Back 8

Sternocleidomastoid

Orgin: sternum and clavicle

Insertions: temporal and occipital

Action: rotate head toward opposite shoulder and neck flexion.

Front 9

Back 9

Pectoralis Major

Orgin: sternum, clavicle,ribs, external oblique muscle.

Action: Arm flexion and forced inspiration.

Front 10

Back 10

Pectoralis Minor

Orgin: Ribs.

Insertion: Scapula

Action: pulls Scapula forward and inferior.

Front 11

Back 11

serratus anterior.

Origin: ribs

Insertions: Scapula

Action: abduction of humerus.

Front 12

Back 12

Deltoid.

Orgin: clavicle and scapula

Insertions: humerus

Action: abduction of humerus.

Front 13

Back 13

intercostals.

Origin. ribs (inferior border)

Insertions: ribs (superior border)

actions: elevates ribs. aids in inspiration.

Front 14

Back 14

Rectus Abdominus

orgin: pubic bone

Insertions: sternum-iconic, proves and ribs.

Action: flexes and rotates vertebral column.

Front 15

Back 15

External Oblique

Orgin: ribs

insertions: linea alba, pubic crest,
and illium.

Action: flexes and rotates vertebral column.

Front 16

Back 16

Trapezius

Origin: occipital bone, cervical and thoracic vertebrae.

Action: extends head
shrug shoulder.

Front 17

Back 17

Biceps Brachii

Origin: scapula

Insertion: Radius- radial, tuberosit.

Action: flexes elbow joint, antagonist of forearm extension.

Front 18

Back 18

Brachialis

Origin: Humerus

Insertions: ulna.

Action: flexes elbow joint.

Front 19

Back 19

Brachioradialis

Origin: humerus

Insertions: radius-styloid process

Action: flexes elbow joint.

Front 20

Back 20

Triceps Brachii

Origin: scapula and humerus

Insertions: ulna olecranan process

Action: extension at elbow joint, antagonist of forearm flexion.

Front 21

Back 21

Supinator

Origin: Humerus and ulna

Insertions: radius

Action: suprinate forearm

Front 22

Back 22

Pronator teres

Origin: Humerus and ulna.

Insertions: radius

Action: pronates forearm.

Front 23

Back 23

Sartorius

Origin: illium iliac spine.

Insertions: tibia.

Action: flex, abduct, and laterally rotate thigh. helps with cross leg position.

Front 24

Back 24

Rectus Femoris.

Origin: ilium iliac spine, and acetabulum.

Insertions: patella and tibia.

Action: extends knee and flexes thigh at hip.

Front 25

Back 25

Vastly Literalist

Origin: femur

Insertions: patella and tibia- tibia tuberosity.

Action: extends knee.

Front 26

Back 26

Vastus Medialis.

Origin: femur.

Insertions: patella and tibia- tibial tuberosity.

Action: extends knee.

Front 27

Back 27

Tensor Fasciae Latae

Origin: illium-crest and spine.

Insertions: tibia.

Action: flex, abducts, and medically rotates thigh.

Front 28

Back 28

Gluteus maximus.

Origin: illium, sacrum, coccyx.

Insertions: femur.

Action: extends thigh.

Front 29

Back 29

Gluteus Mediums

Origin: ilium

Insertions: femur- greater.
trochanter.

Action: abducts and medially rotates thigh.

Front 30

Back 30

Biceps Femoris

Origin: femur and ischium.

Insertions: tibia and fibula.

Action: extends thigh and flexes knee.

Front 31

Back 31

Semitendinosus.

Origin: ischium- ischial tuberosity.

Insertions: femur and tibia.

Action: extends thigh and flexes knee.

Front 32

Back 32

semimembranosus

Origin: ischium- ischial tuberosity.

Insertions: femur and tibia.

Action: Extends thigh and flexes knee.

Front 33

Back 33

Tibialis Anterior

Origin: tibia

Insertions: Arsals and metatarsal.

Action: dorsiflexion

Front 34

Back 34

Gastrocnemius

Origin: femur

Insertions: Calcaneus

Action: plantar Flexion.

Front 35

Back 35

Solaris

Origin: tibia and fibula

Insertions: Calcaneus.

Action: Plantar flexion.