Skeletal Muscles - Medical Science 1

Front 1

Gastrocnemius

Back 1

Calf muscle that performs plantar flexion and flexes knee/leg

Front 2

Gluteal Muscles

Back 2

Group of buttock muscles that abduct, rotate, and extend the thigh

Front 3

Popliteal

Back 3

Flexes knee/leg and slightly rotates leg medially

Front 4

Quadriceps Femoris

Back 4

Thigh muscles that flex the thigh and extend the knee/leg

Front 5

Soleus

Back 5

Calf muscles that solely performs flexion

Front 6

Tibialis Anterior and Posterior

Back 6

Calf muscle that performs plantar flexion and dorsiflexion

Front 7

Hamstrings

Back 7

Thigh muscles that extend the hip and flex the knee/leg

Front 8

Interossei

Back 8

Muscles of the feet and hands that flex, extend, abduct, and aduct the toes and fingers

Front 9

Gracilius

Back 9

Flexes the knee/leg and aducts the leg and thigh

Front 10

Sartorius

Back 10

Flexes and adducts the knee/leg and thigh (longest muscle)

Front 11

Brachialis

Back 11

Muscle that flexes the forearm/elbow (deep to biceps brachii)

Front 12

Deltoid

Back 12

Muscle that abducts, flexes, and extends the upper arm

Front 13

Supinator

Back 13

Forearm muscle that turns the palm and forearm anterior

Front 14

Pronator

Back 14

Forearm muscle that turns the palm and forearm posterior

Front 15

Biceps Brachii

Back 15

Upper arm muscle that flexes the forearm and eblow

Front 16

Triceps Brachii

Back 16

Upper arm muscle that extends the forearm

Front 17

Brachioradialis

Back 17

Forearm muscle that flexes the elbow and forearm

Front 18

Risorius

Back 18

Muscle that retracts the edges of the mouth (smiling)

Front 19

Obicularis Oculi

Back 19

Muscles that surround the eye to close

Front 20

Obicularis Oris

Back 20

Muscles that surround the mouth to pucker lips

Front 21

Masseter

Back 21

Muscles in cheek that allow chewing

Front 22

Buccinator

Back 22

Cheek muscles that retract edges of the mouth

Front 23

Occipitofrontal

Back 23

Muscle that raises eyebrows

Front 24

Pectoralis

Back 24

Muscles that adduct and flex the upper arms

Front 25

Latissimus Dorsi

Back 25

Muscle of the back that extends and adducts the upper arm

Front 26

Sternocleidomastoid

Back 26

Muscle that tilts head forward or to one side and rotates it

Front 27

Trapezius

Back 27

Muscle of the posterior neck and upper trunk that elevates, adducts, and depresses scapula

Front 28

Serratus

Back 28

Muscles pull scapula forward and upwardly rotates it, lowers ribs during respiration

Front 29

Platysma

Back 29

Muscle of the neck that pulls the mandible downward

Front 30

Transversus Abdomonis

Back 30

Compress and support the abdominal muscles

Front 31

Rectus Abdomonis

Back 31

Muscle that supports the abdomen and flexes the lumbar vertebrae

Front 32

Internal and External Obliques

Back 32

Lateral muscles support the abdominal orns

Front 33

Diaphragm

Back 33

Dome-shaped muscle separates abdominal and thoracic cavities, lowers during respiration