VERIFIED ANSWERS/ALREADY GRADED A+ (UPDATED
TO PASS)
This type of muscle blends into tendinous insertions that attach to bones, pulling them, which
produces the desired movement.
a. skeletal muscle
b. swoll muscle
c. cardiac muscle
d. smooth muscle Correct answer-a. skeletal muscle
Muscle are connected to bones by what?
a. ligaments
b. tendons
c. science is still investigating
d. motor units Correct answer-b. tendons
What type of muscle fibers are referred to as coach potato fibers?
a. IIy
b. IIa
c. Fascia
d. IIx Correct answer-d. IIx
Bodybuilders practice "muscle confusion" because:
a. Not all motor units are activated in movement
b. to honor Joe Weider
c. to "grease the groove"
d. it reduces energy expenditure Correct answer-a. not all motor units are activated in a movement
What factor does not induce muscle hypertrophy?
a. metabolic stress
b. mechanical tension
c. muscle damage
d. caloric restriction Correct answer-d. caloric restriction
What muscle fibers are recruited first in any given movement?
a. slow twitch
b. fast twitch
c. it depends on genetics
d. this is a contemporary debate in science Correct answer-b. slow twitch
What type of muscle fibers is highly resistant to fatigue?
a. slow twitch
b. fast twitch
c. depends on genetics
d. this is a contemporary debate in science Correct answer-a. slow twitch
When a prime mover muscle contracts, the opposing muscle relaxed. This is known as:
a. sliding filament theory
b. henneman principle
, c. stretch reflex
d. reciprocal innervation` Correct answer-d. reciprocal innervation
______ is a decrease in the angle between two body segments.
a. flexion
b. extension
c. abduction
d. adduction Correct answer-a. flexion
Adduction is the movement of a body segment away from the midline.
a. true
b. false Correct answer-b. false
Which plane divides the body into right and left portions?
a. frontal plane
b. sagittal plane
c. transverse plane
d. horizontal plane Correct answer-b. sagittal plane
Which plane of motion does hip abduction occur in?
a. sagittal plane
b. transverse plane
c. horizontal plane
d. frontal plane Correct answer-d. frontal plane
During a biceps curl, the triceps acts as a(n)
a. prime mover
b. assistant mover
c. antagonist
d. stabilizer Correct answer-c. antagonist
A prime mover is the muscle that produces the most force to move a bone during a given movement.
a. true
b. false Correct answer-a. true
The mechanical advantage of a muscle is greatest when the angle of pull is:
a. 0 degrees
b. 90 degrees
c. 120 degrees
d. 180 degrees Correct answer-b. 90 degrees
The biceps curl is an example of which type of lever?
a. first-class lever
b. second-class lever
c. third-class lever
d. fourth-class lever Correct answer-c. third-class lever
The three kinds of limit strength include all of the following except?
a. strength endurance
b. static strength
c. eccentric strength