Exam 2 Flashcards by Jessica Maskell

Q

Epicranius action

A

Raises eyebrows

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Q

Obicularis Oculi action

A

Closes eyes

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Q

Obicularis Oris action

A

Closes lips

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Q

Zygomaticus action

A

Smiling

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Q

Zygomaticus insertion

A

Corners of mouth

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Q

Zygomaticus origin

A

Zygomatic bone

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Q

Masseter action

A

Closes jaw

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Q

Temporalis action

A

Closes jaw

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Q

Diaphragm action

A

flattens, increasing thorax volume during inspiration

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Q

External intercostals origin

A

inferior border of rib above

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Q

External intercostals insertion

A

superior border of rib below

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Q

External intercostals action

A

elevate rib cage during inspiration

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Q

Internal intercostals origin

A

Superior border of rib below

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Q

internal intercostals insertion

A

inferior border of rib above

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Q

internal intercostals action

A

lower rib cage during forced expiration

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Q

Biceps brachii origin

A

scapula

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Q

Biceps brachii insertion

A

radius

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Q

Biceps brachii action

A

flexes elbow

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Q

deltoid origin

A

clavicle and scapula

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Q

deltoid insertion

A

humerus

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Q

deltoid action

A

abducts arm

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Q

Latissiumus dorsi insertion

A

humerus

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Q

Latissimus dorsi action

A

extends arm

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Q

Pectorals major action

A

flexes arm

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Trapezius (point)

...

Triceps brachii insertion

olecranon of posterior ulna

Triceps brachii action

extends forearm

brachioradialis origin

distal end of humerus

brachioradialis insertion

radius

brachioradialis action

flexes elbow

extensor digitorum action

extends fingers

flexor carpi radialis

flexes wrist

gluteus maximus action

extends thigh

biceps femoris origin

ischium

biceps femoris insertion

tibia

biceps femoris action

extends thigh and flexes knee

semimembranosus origin

ischium

semimembranosus insertion

tibia

semimembranosus action

extends thigh and flexes knee

semitendinosus origin

ischium

semitendinosus insertion

tibia

semitendinosus action

extends thigh and flexes knee

rectus femoris insertion

tibia

rectus femoris action

extends knee and flexes thigh

sartorius (point)

...

extensor digitorum longus action

extends toes

vastus intermedius origin

femur

vastus intermedius insertion

tibia

vastus intermedius action

extends knee

vastus lateralis origin

femur

vastus lateralis insertion

tibia

vastus lateralis action

extends knee

vastus medialis origin

femur

vastus medialis insertion

tibia

vastus medialis action

extends knee

tibialis anterior origin

tibia

tibialis anterior action

dorsiflexes foot (inverts)

tibialis posterior action

inverts foot

gastrocnemius origin

femur

gastrocnemius insertion

calcaneus

gastrocnemius action

plantar-flexes foot

soleus insertion

calcaneus

soleus action

plantar-flexes foot