Questions and Answers
1. 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
Answer a. skeletal muscle
2. Muscle are connected to bones by what?
a. ligaments
b. tendons
c. science is still investigating
d. motor units
Answer b. tendons
3. What type of muscle fibers are referred to as coach potato fibers?
a. IIy
b. IIa
c. Fascia
,d. IIx
Answer d. IIx
4. 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
Answer a. not all motor units are activated in a movement
5. What factor does not induce muscle hypertrophy?
a. metabolic stress
b. mechanical tension
c. muscle damage
d. caloric restriction
Answer d. caloric restriction
6. 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
, Answer b. slow twitch
7. 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
Answer a. slow twitch
8. 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`
Answer d. reciprocal innervation
9. is a decrease in the angle between two body segments.
a. flexion
b. extension
c. abduction
d. adduction
, Answer a. flexion
10. Adduction is the movement of a body segment away from the midlin
a. true
b. false
Answer b. false
11. Which plane divides the body into right and left portions?
a. frontal plane
b. sagittal plane
c. transverse plane
d. horizontal plane
Answer b. sagittal plane
12. Which plane of motion does hip abduction occur in?
a. sagittal plane
b. transverse plane
c. horizontal plane
d. frontal plane
Answer d. frontal plane
13. During a biceps curl, the triceps acts as a(n)
a. prime mover