Quiz 7 Flashcards
3 kinds of muscle are
skeletal, cardiac, and smooth
what do skeletal muscles attach to
to bones or connective tissue
What are the 7 roles of muslces
agonist, antagonist, prime mover, assistors, synergists, stabilizers, and neutralizers
agonist
muscle that is producing the action
antagonist
any muscle that potentially can oppose the agonist
prime mover
the most effective muscle for producing a specific action
synergists
2 or more muscles that work together to produce an action
stabilizers
muscles that stabilize a joint or one end of a lever, while movement occurs at the other end
neutralizers
muscles that produce an action to oppose an unwanted action by another muscle
Fiber Types and roles
fast twitch - helps you move quickly
slow twitch - helps you move slowly
what is the stretch reflex
when a muscle reaches its full length, there is an automatic reflex for the muscle to contract
what is the Golgi tendon reflex
produces and automatic relaxation to protect muscles from excessive force
what are the 3 muscle shapes
fusiform, pennate, and convergent
attachments of muscles
origins and insertions
types of muscle contractions
shortening, lengthening, and static
shortening muscle contraction
force of a muscle contraction is greater than the force of gravity
lengthening muscle contractions
force of muscle contraction is less than the force of gravity
static muscle contractions
force of a muscle contraction is equal to the force of gravity
