muscular system: stuffs bc you have bad memory

excitability

ability to respond to stimulus; nerve or hormone

contractibility

ability to shorten and produce movement when stimulated

extensibility

ability to be stretched and lengthened

elasticity

ability to return to original shape

cardiac

walls of the heart and causes heartbeat

visceral

found in hollow organs, walls of blood vessels, eyes

skeletal

attached to bone to produce body movement

tendon

attaches muscle to bone

origin

end of muscle connected to bone that does not move

insertion

end of muscle connected to bone that moves

fascia

sheet of tough fibrous tissue that wraps around individual muscle

muscle strain

torn or stretched muscles or tendons

firbomyalgia

group of muscle disorders with chronic pain in specific muscle sites

muscular dystrophy

group of inherited diseases; muscles waste away

circumduction

circular movement; one end of body region stays stationary, other end moves in circle

supination and pronation

movements of forearm

dorsiflexion and plantar flexion

movements at ankle (lifiting top of foot; lifting heel of foot)

inversion and eversion

turning of the foot

protraction and retraction

shoulder moves forward; shoulder moves backwards