Anatomy & Physiology: Muscle Identification: Location

Front 1

Orbicularis Oris

Back 1

Lips- fibers run circularly

Front 2

Occipitalis

Back 2

Overlies base of occiput; fixes origin of frontalis

Front 3

Gluteus Maximus

Back 3

Forms bulk of buttock; overlies large sciatic nerve

Front 4

Brachialis

Back 4

Immediately deep to biceps brachii on distal humerus

Front 5

Orbicularis Oculi

Back 5

Muscle of the eyelid; surrounds rim of the orbit

Front 6

External oblique

Back 6

most superficial muscle of 3 lateral muscles

Front 7

Latissimus dorsi

Back 7

On lower back, covered by trapezius superiorly

Front 8

Deltoid

Back 8

Forms rounded shoulder mass

Front 9

Rectus abdominis

Back 9

Medial superficial muscle pair; extends from pubis to rib cage

Front 10

Internal oblique

Back 10

Underlies External oblique

Front 11

Transversalis

Back 11

deepest muscle of abdominal wall

Front 12

Soleus

Back 12

Deep to gastrocnemius on posterior surface of calf

Front 13

Temporalis

Back 13

Fan-shaped muscle that covers parts of the temporal, frontal and parietal bones

Front 14

Pectoralis major

Back 14

Covers upper portion of chest; forms anterior axillary fold

Front 15

Tensor Fasciae Latae

Back 15

Enclosed between fascia layers of anterolateral aspect of thigh

Front 16

Pectoralis Minor

Back 16

Directly beneath pect. major

Front 17

Sternocleidomastoid

Back 17

Deep to platysma on anterolateral surface of neck

Front 18

Serratus Anterior

Back 18

lies deep to scapula beneath and inferior to pec muscles on lateral rib cage

Front 19

Triceps Brachii

Back 19

Muscle of posterior compartment of arm

Front 20

Frontalis

Back 20

covers forehead and dome of skull

Front 21

Masseter

Back 21

Covers the lateral aspect of the mandibular ramus

Front 22

Biceps Brachii

Back 22

Humerus; anterior muscle; superficial

Front 23

Rectus Femoris

Back 23

Superficial muscle of anterior thigh; runs straight down thigh

Front 24

Gastrocnemius

Back 24

Superficial muscle, shpaes posterior cage

Front 25

Zygomaticus

Back 25

extends diagonally from corner of mouth to cheek bone

Front 26

Trapezius

Back 26

Most superficial muscle of posterior thorax

Front 27

Vastus Medialis

Back 27

Forms inferomedial aspect of thigh

Front 28

Gluteus Medius

Back 28

Covered by gluteus maximus

Front 29

Diaphragm

Back 29

Forms floor of thoracic cavity

Front 30

Vastus Lateralis

Back 30

Forms lateral aspect of thigh

Front 31

Semimembranous

Back 31

Deep to semitendinosus

Front 32

Adductor Brevis

Back 32

Largely concealed by adductor longus and pectineus

Front 33

Sartorius

Back 33

Running obliquely across anterior surface of thigh to knee












longest muscle in body

Front 34

Adductor longus

Back 34

Overlies middle aspect of adductor magnus

Front 35

tibialis anterior

Back 35

Superficial muscle of anterior leg; laterally parallels sharp anterior margin of tibia

Front 36

Adductor magnus

Back 36

Medial aspect of thigh (a composite muscle- part adductor and part hamstring)

Front 37

Gluteus minimus

Back 37

Smallest/deepest gluteal muscle

Front 38

Iliopsoas

Back 38

Iliacus, psoas major; pass under inguinal ligament

Front 39

Vastus intermedius

Back 39

Obscured by rectus femoris, lies between vastus lateralis and vastus medialis on anterior thigh

Front 40

Semiteninosus

Back 40

Lies medial to biceps femoris

Front 41

Biceps femoris

Back 41

Most lateral muscle of the group