Physiology of Exercise and Training Adaptations

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During low-moderate intensity exercise, what is the primary source of oxygen for ATP production?

Oxygen generated through glycolysis
Oxygen from the atmosphere
Oxygen from the blood
Oxygen stored in myoglobin (correct)

What is the primary difference between aerobic and anaerobic metabolism?

The rate of ATP production
The type of fuel used to produce ATP
The presence or absence of oxygen (correct)
The location of ATP production within the cell

Which of the following is a characteristic of muscular strength?

The ability to increase heart rate during exercise
The ability to contractile tissue to generate tension (correct)
The ability to produce low-intensity repeated activities over a prolonged period
The ability to move through a full range of motion without injury

What is the primary function of the aerobic system during exercise?

To generate ATP over a prolonged period of time (B) Signup and view all the answers

What is the term for the ability of the neuromuscular system to generate and control forces during functional activities?

Functional strength (A) Signup and view all the answers

What is the term for the number of repetitions grouped together during an exercise?

Sets (B) Signup and view all the answers

What is the primary function of ATP in cellular processes?

To power cell functions and reform ATP (A) Signup and view all the answers

Which energy system is unique to muscle fibers and provides energy for 3-15 seconds of maximal contraction?

Phosphocreatine system (D) Signup and view all the answers

What is the byproduct of anaerobic metabolism during high-intensity exercise?

Lactic acid (A) Signup and view all the answers

Which of the following statements is true about anaerobic glycolysis?

It produces lactic acid as a byproduct (D) Signup and view all the answers

What is the purpose of the Cori cycle?

To convert lactic acid back into glucose or glycogen in the liver (A) Signup and view all the answers

What is the duration of energy supply from the anaerobic glycolytic system?

30-40 seconds (A) Signup and view all the answers

What adaptation occurs in the initial strength gains during resistance exercise?

Neural adaptation (A) Signup and view all the answers

What is the primary reason for subsequent increases in strength after the initial gains?

Hypertrophy (A) Signup and view all the answers

What is the primary reason for adjusting the rest interval between sets?

To accommodate varying levels of exercise intensity (C) Signup and view all the answers

What is the recommended intensity for muscle endurance training?

15-50 reps (to failure), 3-5 sets (D) Signup and view all the answers

According to the principle of specificity, what is the primary consideration when selecting an exercise?

The goal of the exercise program (D) Signup and view all the answers

What is the primary consequence of detraining?

A loss of exercise-induced adaptations (A) Signup and view all the answers

What is the primary consideration for determining the frequency of exercise?

All of the above (D) Signup and view all the answers

What is the recommended frequency for cardiovascular training for performance-related goals?

3-5 times per week, higher % HRmax (B) Signup and view all the answers

What is the primary cause of delayed onset muscle soreness (DOMS)?

Unaccustomed high-intensity exercise (D) Signup and view all the answers

What is the primary adaptation in tendons and ligaments during resistance exercise?

Increased strength (C) Signup and view all the answers

What is the primary purpose of the principle of progression?

To gradually increase exercise intensity (A) Signup and view all the answers

What is the typical duration of delayed onset muscle soreness (DOMS)?

A few days to a week (C) Signup and view all the answers