phys final

Question 1

what characteristics of SO (slow oxidative) fibers make them more suitable for marathon runners than for sprinters?

Answer 1

E - all of the above

Question 2

at what intensity does an athlete need to train if she wants to improve the capacity of her anaerobic glycolysis (lactic acid) system?

Answer 2

training intensity needs to be above her 2nd lactate threshold

Question 3

muscular strength is:

Answer 3

amount of force a muscle can produce with a single maximum effort

Question 4

muscular endurance is

Answer 4

ability to sustain submaximal muscle contractions over time

Question 5

which athlete would benefit most from a high 2nd lactate threshold?

Answer 5

E - both B & C

Question 6

3 methods used to control energy fitness training intensity are:

Answer 6

speed, perceived exertion, heart rate

Question 7

general progression for a properly periodized resistance training program is from:

Answer 7

D. strength to power to power endurance

Question 8

the overload needed to maintain or improve ones fitness level is determined in terms of all of the following except:

Answer 8

D. specificity

Question 9

all of the following are true with free weights except

Answer 9

D. allow a greater variety of exercise

Question 10

compared to resistance training for strength, resistance training for power is characterized by:

Answer 10

A. less resistance with faster movement speed

Question 11

with regard to resistance training, intensity is equal to:

Answer 11

D. volume of training (number of lifts x resistance)

Question 12

training intensity that should compromise 70-90% of the energy fitness training for endurance athletes is-

Answer 12

B. 20-30% below current race speed

Question 13

training intensities in this training zone violate the overload and the specificity principle-

Answer 13

D. NZ zone

Question 14

which of the following best describes 2nd lactate threshold?

Answer 14

C. intensity at which lactic acid production starts exceeding lactic acid clearance

Question 15

which of the following best describes VO2 max

Answer 15

B. max amount of oxygen the body is capable of transporting and utilizing in 1 minute

Question 16

which of the following best defines the 1st lactate threshold?

Answer 16

A. max amount of lactic acid the muscles can tolerate without fatiguing

Question 17

In the first 10 seconds of exercise, muscle fibers get their energy from stored compounds known as:

Answer 17

A. phosphocreatine

Question 18

primary source for muscle contractions is:

Answer 18

A. ATP

Question 19

produces in muscle fibers when the effort exceeds the oxygen supply:

Answer 19

B. lactic acid

Question 20

your body’s most abundant source of energy is-

Answer 20

C. fat

Question 21

when the immediate sources of energy are running low, we generally use the following 2 to replenish-

Answer 21

C. carbohydrates & fat

Question 22

in prolonged exertion, when the muscle and liver glycogen become depleted, we are forced to rely on -

Answer 22

B. fat

Question 23

what determines how much time during the off season & preseason should be reserved for EZ zone training?

Answer 23

E. All of the above

Question 24

primary energy system used for: golf swing?

Answer 24

A. ATP-CP system

Question 25

primary energy system used for: 62 mile ultra marathon?

Answer 25

C. Anaerobic glycolysis

Question 26

primary energy system used for: figure skating compulsory?

Answer 26

F. B & C

Question 27

primary energy system used for: 100m freestyle sprint?

Answer 27

D. A & B

Question 28

amount of blood the heart can pump with 1 best:

Answer 28

A. stroke volume

Question 29

amount of oxygen removed from the blood per minute in capillaries as the blood circulates in the body:

Answer 29

G. a-v-O2 difference

Question 30

number of heartbeats per minute:

Answer 30

E. heart rate

Question 31

amount of blood circulated by the heart in 1 minute

Answer 31

F. cardiac output