chapter 5: muscular system

slow twitch fibers are?

Type 1

fast twitch fibers are?

type 2

muscular contraction with little to no movement?

isometric

muscular contraction in which movement occurs?

isotonic

shortening phase of a muscular contraction?

concentric

lengthening phase of a muscular contraction?

eccentric

found in internal organs and blood vessles?

smooth muscle

found in the heart?

cardiac muscle

attach to bones?

skeletal muscle

wavelike movements of smooth muslces?

peristalsis

muscles that produce movement; also know has prime movers

agonist

muscles that undergo stretch during movement.

antagonist

muscles that bend joints

flexors

aid in movement

synergists

muscle that strengthens joints

extensors

stabilizing muscles

fixators

cardiac muscle is striated. true or false

true

skeletal muscle is?

voluntary

area of attachment where movment does not occur?

origin

area of attachment where movement does occur?

insertion

loss of muscle tone due to not being used?

atrophy