week 1-4 MCQ's- principles, exercise prep, linear speed and MDS Flashcards
Which of the following is a characteristic of fast twitch muscle fibres?
A. low contraction speed
B. high resistance to fatigue
C. low anaerobic enzyme content
D. high power output
D. high power output
Which of the following is true of the effects of exercise on connective tissue?
A. Exercise can increase the quantity but not the quality of connective tissue
B. Exercise can increase the quality but not the quantity of connective tissue
C. Exercise can increase both the quantity and quality of connective tissue
D. Exercise cannot affect the quantity or quality of connective tissue
C. Exercise can increase both the quantity and quality of connective tissue
The rate at which motor units are recruited is termed;
A. Muscle synchronicity
B. Rate coding
C. Muscle contraction velocity
D. Joint angular velocity
B. Rate coding
“A training adaptation only takes place if the magnitude of the training load is above the habitual level.” Which law of training does this statement describe?
A. Progressive overload
B. Individuality
C. Accommodation
D. Reversibility
A. Progressive overload
Continuous, rhythmic endurance exercise involving a large amount of muscle mass will improve endurance performance predominantly through:
A. Muscle adaptations that facilitate an increased extraction of oxygen from blood at the muscle
B. Myocardial adaptations that facilitate an increased delivery of oxygen to the muscle
C. Neuromuscular adaptations that facilitate a more efficient utilization of energy
D. Ventilatory adaptations that increase the amount of oxygen the athlete can breathe in
B. Myocardial adaptations that facilitate an increased delivery of oxygen to the muscle
A back squat repetition maximum assessment tests:
A. isometric strength
B. isoinertial strength
C. isokinetic strength
D. eccentric strength
B. isoinertial strength
Which class of lever is most common in the human body?
A. first class B. second class C. third class D. fourth class
C. third class
Momentum is defined as:
A. The horizontal force of a body
B. The quantity of motion an object possesses
C. The impulse of a system
D. The rate of doing work
B. The quantity of motion an object possesses
According to the fitness/fatigue theory, which of these statements is not true?
A. Preparedness will only increase after fatigue is fully dissipated
B. A training session will produce both potentiation and fatigue
C. Potentiation effects last longer than fatigue effects
D. The degree of potentiation will depend upon the acute exercise stimulus
A. Preparedness will only increase after fatigue is fully dissipated
Which of the following statements regarding post-activation potentiation (PAP) is correct:
A. Male athletes will benefit more from PAP than female athletes
B. A moderate load is better than a heavy load for eliciting PAP
C. The explosive exercise being potentiated should differ in movement from the conditioning stimulus
D. Stronger athletes will benefit more from PAP than weaker athletes
D. Stronger athletes will benefit more from PAP than weaker athletes
According to the available evidence, which of the following sets, reps and load configurations would be best for eliciting post-activation potentiation in strength-trained athletes?
A. 3 x 3 repetitions at 85-90% 1 repetition maximum
B. 5 x 5 repetitions at 75-80% 1 repetition maximum
C. 3 x 5 repetitions performed explosively at 60% 1 repetition maximum
D. 3 x 10 repetitions at 65-70% 1 repetition maximum
A. 3 x 3 repetitions at 85-90% 1 repetition maximum
Which of the following techniques should be emphasized during the acceleration phase of the sprint?
A. immediately attain an upright position
B. minimize the initial knee lift
C. push off with the front leg only
D. swing the arms through a large range of motion
D. swing the arms through a large range of motion
Which of the following is the most likely primary determinant of stride length in sprinters?
A. Total ground reaction forces
B. Flexibility of the hamstrings
C. Hip flexor strength
D. Hip flexor flexibility
A. Total ground reaction forces
During a 100 m sprint as the athlete gets faster what happens to ground contact time?
A. Stays the same
B. Varies with each stride
C. Decreases
D. Increases
C. Decreases
What is the key difference between change of direction and agility?
A. Change of direction may be defined as the ability to change direction in response to a sport-specific stimulus, incorporating physical, technical, perceptual and decision-making skills
B. There are no differences between change of direction or agility.
C. Agility may be defined as the ability to change direction in response to a sport-specific stimulus, incorporating physical, technical, perceptual and decision-making skills
D. Agility requires the athlete to respond to a pre-planned stimulus
C. Agility may be defined as the ability to change direction in response to a sport-specific stimulus, incorporating physical, technical, perceptual and decision-making skills