Bioenergetics: Lecture Unit 1Storage, Mobilisation and Utilisation of Fuel duringRest and Exercise

Which of the following activities metabolizes the highest percentage of carbohydrate as a fuel source?Multiple ChoiceRunning the 200-meter hurdlesWalking for 1 hourLifting weights for 30 minutesHard cycling for 1 hour

What is the most important substrate for fuelling high intensity endurance exercise: a. vitamins  b. fibre c. protein d. carbohydrates

Which of the following is a correct statement about the energy systems and fuels used by the body? Question 4 options: a) The lactic acid system is the predominant source of energy after 3 minutes of activity and until activity has reached 20 minutes in length. b) After 20 minutes of sustained activity, fuel for the muscles primarily comes from glucose that is broken down by glycolysis. c) All energy systems are used at all times, but one system dominates depending on intensity and conditioning of athlete. d) About 90 percent of the fuel is derived from fat at rest. e) An anaerobic energy system is the most efficient way to fuel the body for prolonged activity.

Following a 12 week continuous training program, athletes are better able to utilise which fuel source at sub maximal levels?

Which energy system primarily provides fuel for short, intense bursts of activity, such as weightlifting or sprinting?*1 pointA. Aerobic SystemB. Anaerobic SystemC. Glycolytic systemD. Oxidative system