Chapter 7 The Muscular System

atrophy

benefits of regular exercise include all of the following except:

tetanus

contractions that melt together to produce a sustained contraction are called:

foot movements

dorsiflexion refers to:

aerobic training

endurance training is also

aerobic training

endurance training is also known as:

joint

in most cases, isotonic contraction of muscle produces movement at an:

hypertrophy

increase in muscle size is called:

abduction

moving a part away from the midline is

adduction

moving a part toward the midline is

motor neuron

muscle cells are stimulated by a nerve fiber called a :

strength training

muscle hypertrophy can be best enhanced by a program of:

synergists

muscles that help other muscles produce movements are called:

all of the above

physiological muscle fatigue is caused by:

disuse atrophy

prolonged inactivity causes muscles to shrink in mass, producing a condition called:

isometric

pushing against a wall is an example of which type of contraction?

is voluntary

skelektal muscle:

calcium

the connecting bridges between myofilaments form properly only if _____is present.

origin

the muscles attachment to the more stationary bone is called its:

islolated muscles prepared for research

twitch contractions can be easily seen in:

isotonic

walking is an example of which type of contraction?

isometric

when a muscle does not shorten and no movement results the contraction is:

rotating

when you move your head from side to side as in shaking your head no , you are______ a muscle group.

rectus femoris

which of the following is not a hamstring muscle?

muscle length remains constant

which of the following statements concerning isometric contractions is true?

pronation

_____occurs when you turn the palm of your hand from an anterior to posterior position.

flexion

a movement that makes he angle between two bones smaller is: