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action: raises eyebrows
occipitofrontalis
action: closes eye
orbicularis oculi
action: purses lips
orbicularis oris
action: tenses skin on neck
platysma
origin: zygomatic arch
insertion: lateral surface of mandibular ramus
action: closes jaw
masseter
origin: along temporal lines of skull
insertion: coronoid process of mandible
action: elevates mandible
temporalis
origin: occipital bone
insertion: clavicle
action: extend neck
trapezius
origin: clavicular head attached to sternal end of clavicle
insertion: mastoid region of skull
action: flex the neck
sternocleidomastoid
origin: superior surface around pubis symphysis
insertion: xiphoid process
action: depresses ribs
rectus abdominus
action: compresses abdomen
transverse abdominus
action: bends spine
external oblique
action: compresses abdomen
internal oblique
action: contraction expands thoracic cavity
diaphragm
origin: body of sternum
insertion: crest of greater tubercle
action: medial rotation of shoulder
pectoralis major
origin: clavicle
insertion: deltoid tuberosity of humerus
action: abduction at shoulder
deltoid
origin: lumbar vertebrae
insertion: groove of humerus
action: medial rotation at shoulder
latissimus dorsi
action: medial rotation at shoulder
teres major
origin: coracoid process
insertion: radial tuberosity
action: flexion at elbow
biceps brachii
action: flexion at elbow
brachialis
action: flexion at elbow
brachioradialis
origin: superior lateral margin of humerus
insertion: olecranon of ulna
action: extension at elbow
triceps brachii
action: lateral rotation at hip
gluteus maximus
action: flexion at hip
iliopsoas
action: flexion at hip
sartorius
action: flexion at knee
gracilis
origin: rib of ilium
insertion: tibial tuberosity
action: extension at knee
vastus medialis
origin: greater trochanter of femur
insertion: tibial tuberosity
action: extension at knee
vastus intermedius
origin: length of linea aspera of femur
insertion: tibial tuberosity
action: extension at knee
vastus lateralis
action: flexion at knee
biceps femoris
action: flexion at knee
semitendinosus
action: flexion at knee
semimembranosus
origin: lateral condyle of tibia
insertion: base of first metatarsal bone
action: flexion at ankle
tibialis anterior
origin: femoral condyles
insertion: calcaneus
action: extension at ankle
gastrocnemius
action: extension at ankle
soleus
muscle fascicle
single muscle cell
muscle fiber
surrounds entire muscle
epimysium
surrounding a fascicle
perimysium
surrounding each muscle fiber
endomysium
endoplasmic reticulum of a muscle cell
sarcoplasmic reticulum
extension of cell membrane that penetrates through the muscle cell
T-tubule
thin filaments in muscle fibrils that attach to myosin heads
Actin
thick filaments that have club-like heads
myosin
skeletal muscle tissue
voluntary
striated
long, cylindrical, multinucleate cells
attached to bone
cardiac muscle tissue
involuntary
striated
short, wide cells
only in heart
smooth muscle tissue
involuntary
not striated
squamate cell structure
located in viscera
occipitofrontalis
orbicularis oculi
orbicularis oris
platysma
masseter
temporalis
trapezius
sternocleidomastoid
rectus abdominus
transverse abdominus
external oblique
internal oblique
diaphragm
pectoralis major
deltoid
latissimus dorsi
teres major
biceps brachii
brachialis
brachioradialis
triceps brachii
gluteus maximus
iliopsoas
sartorius
gracilis
rectus femoris
vastus medialis
vastus lateralis
vastus intermedius
biceps femoris
What is the top line pointing to?
semitendinosus
what is the middle line pointing to?
semimembranosus
what is the bottom line pointing to?
tibialis anterior
gastrocnemius
soleus
iliotibial tract
calcaneal tendon
soma of neuron
nucleus of neuron
axon of neuron
dendrites of neuron
cerebrum
frontal lobe
parietal lobe
temporal lobe
occipital lobe
insula
cerebellum
diencephalon
thalamus
hypothalamus
pituitary gland
brainstem
mesencephalon
what is A pointing to?
Note 
Flashcard (72)