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Muscles antomy

names of the muscles and classifications

Trapezius moves the scapula and extends the head
Latissimus dorsi pulls arms down forcefully
Gluteus Maximus Extends and rotates the thigh
Gracilis Adducts and rotates the thigh
Rectus femoris Flexes the hip and extends the leg at the knee
Biceps femoris Flexes leg at the knee and extends the thigh
semitendonosus Flexes leg at the knee and extends the thigh
frontalis moves the forehead and eyebrows
zygomaticus major used for smiling
orbicularis oris used for kissing
occipitalis draws the scalp backwards
sternocleidomastoid turns the head to the side or to the chest
Deltoid abducts,roatates,and extends the arm
pectoralis major adducts and rotates the arm
external obliques beds the vertebral column laterally
Rectus abdominum Flexes vertebral column and the ab's
linea alba white fibrous band covering the abdomen
Triceps brachii flexes arm
Biceps brachii flexes arm
Extensor digitorum extends the hand and fingers
Brachioradialis flexes the forearm
Sartorius flexes the knee; crosses the legs
Adductor longus adducts the leg
Quadriceps femoris extends leg at the knee
Gastrocnemius Plantar flexes the foor
Soleus plantar flexes the foot
Achilles tendon attaches gastrocnemius to calcaneus
Extensor digitorum longus dorsiflexes and everts foot
Tibialis anterior Dorsiflexes and inverts the foot
Cardiac Muscles found in the heart, striated and involuntary
Smooth Muscles found in many internal organs and blood vessels, involuntary is not striated
Skeletal Muscles found on the skeletal system are voluntary and are striated
Synergists work together
Antagonist do opposite actions
Fixators stabalize the origin of the prime mover
How are muscles named? Direction,Size,Shape,Action,Number of origins,and Location
Created by: staread