Chapter 15: Muscles Flashcards
flexion
decreasing the angle between two bones; bending a limb
extension
increasing the angle between two bones; straightening out a limb
abduction
movement away from the midline of the body
adduction
movement toward the midline of the body
rotation
circular movement around an axis
internal rotation
toward the center of the body
external rotation
away from the center of the body
dorsiflexion
decreasing the angle of the ankle joint so that the foot bends backward (upward)
plantar flexion
motion that extends the foot downward toward the ground
supination
the act of turning the palm up, outward roll of the foot
pronation
the act of turning the palm down, inward roll of the foot
fascia
fribrous membrane separating and enveloping muscles
insertion of a muscle
connection of the muscle to a bone that moves
origin of a muscle
connection of the muscle to a stationary bone
striated muscle
muscle connected to bones; voluntary or skelatal muscle
visceral muscle
muscle connected to internal organs; involuntary or smooth muscle
fasci/o
fascia (forms sheaths enveloping muscles)
fibr/o
fibrous connective tisue
leiomy/o
smooth (visceral) muscle that lines the walls of internal organs
my/o
muscle
myocardi/o
heart muscle
myos/o
muscle
plant/o
sole of the foot
rhabdomy/o
skeletal (striated) muscle connected to bones
sarc/o
muscle and flesh
-asthenia
lack of strength
-trophy
development, nourishment
ab-
away from
ad-
toward
dorsi-
back
poly-
many, much
