Characteristics Used to Name Muscles Flashcards
rectus
parallel to midline
transverse
perpendicular to midline
oblique
diagonal to midline
maximus
largest
minimus
smallest
longus
long
brevis
short
latissimus
widest
longissimus
longest
magnus
large
major
larger
minor
small
vastus
huge
deltoid
triangular
trapezius
trapezoid
serratus
saw-toothed
rhomboid
diamond-shaped
orbicularis
circular
pectinate
comblike
piriformis
pear-shaped
platys
flat
quadratus
square, four-sided
gracilis
slender
flexor
decreases joint angle
extensor
increases joint angle
abductor
moves bone away from midline
adductor
moves bone closer to midline
levator
raises/elevates body part
depressor
lowers/depresses body part
supinator
turns palm anteriorly
pronator
turns palm posteriorly
sphincter
decrease size of an opening
tensor
makes body part rigid
rotator
rotates bone around longitudinal axis
biceps
2 origins
triceps
3 origins
quadriceps
4 origins
Location
structure near which a muscle is found
ex) Temporalis - muscle near temporal bone
Origin & Insertion
sites where muscle originates & inserts
ex) sternocleidomastoid - originating on sternum & clavicle and inserting on mastoid portion of temporal bone