HAPP111- muscle- direction, size, shape, action, and meaning Flashcards
rectus
parallel to midline
transverse
perpendicular to midline
biceps
two origin
triceps
three origin
oblique
diagonal to midline
quadriceps
four origin
Maximus
largest
minus
smallest
longus
long
latissimus
widest
brevis
short
major
larger
longissimus
longest
minor
smaller
Magnus
large
vastus
huge
trapezius
trapezoid
delton
triangular
serratus
sawtoothed
rhomboid
diamond-shaped
orbicularis
circular
pectinate
comblike
quadratus
square/four-sided
piriformis
pear-shaped
plastys
flat
flexor
decreases joint angle
gracilis
slender
abductor
move bone away from the midline
extensor
increases joint angle
adductor
move bone closer to midline
levator
raises
depressor
lower
supinator
turns palms anteriorly
pronator
turns palms posteriorly
sphincter
decreases the size of an opening
tensor
make body parts rigid
rotator
rotates bones around the longitudinal axis