Characteristics Used to Name Muscles Flashcards by aisha moustapha

Q

rectus

A

parallel to midline

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Q

transverse

A

perpendicular to midline

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Q

oblique

A

diagonal to midline

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Q

maximus

A

largest

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Q

minimus

A

smallest

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Q

longus

A

long

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Q

brevis

A

short

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Q

latissimus

A

widest

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Q

longissimus

A

longest

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Q

magnus

A

large

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Q

major

A

larger

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Q

minor

A

small

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Q

vastus

A

huge

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Q

deltoid

A

triangular

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Q

trapezius

A

trapezoid

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Q

serratus

A

saw-toothed

Q

rhomboid

A

diamond-shaped

Q

orbicularis

A

circular

Q

pectinate

A

comblike

Q

piriformis

A

pear-shaped

Q

platys

A

flat

Q

quadratus

A

square, four-sided

Q

gracilis

A

slender

Q

flexor

A

decreases joint angle

Q

extensor

A

increases joint angle

Q

abductor

A

moves bone away from midline

Q

adductor

A

moves bone closer to midline

Q

levator

A

raises/elevates body part

Q

depressor

A

lowers/depresses body part

Q

supinator

A

turns palm anteriorly

Q

pronator

A

turns palm posteriorly

Q

sphincter

A

decrease size of an opening

Q

tensor

A

makes body part rigid

Q

rotator

A

rotates bone around longitudinal axis

Q

biceps

A

2 origins

Q

triceps

A

3 origins

Q

quadriceps

A

4 origins

Q

Location

A

structure near which a muscle is found

ex) Temporalis - muscle near temporal bone

Q

Origin & Insertion

A

sites where muscle originates & inserts

ex) sternocleidomastoid - originating on sternum & clavicle and inserting on mastoid portion of temporal bone