Understanding Energy Systems in Sport

Which energy system is primarily used for short, explosive activities lasting up to 10 seconds, such as a 100-metre sprint?

• Aerobic energy system

• ATP-PC system

• Lactic acid system

• Glycolytic system

What is the primary fuel source for the ATP-PC system?

• Glucose

• Fatty acids

• Phosphocreatine

• Lactic acid

Which energy system is predominantly used during a 400-metre race?

• ATP-PC system

• Lactic acid system

• Aerobic energy system

• Phosphagen system

What is the main by-product of the lactic acid system?

• Carbon dioxide

• Water

• Lactic acid

• Oxygen

Which energy system is primarily used for endurance activities, such as a marathon?

• ATP-PC system

• Lactic acid system

• Aerobic energy system

• Anaerobic glycolysis

What is the primary fuel source for the aerobic energy system during prolonged exercise?

• Phosphocreatine

• Glucose and fatty acids

• Lactic acid

• Amino acids

Which of the following best describes the energy continuum concept?

• The use of a single energy system during exercise

• The sequential use of energy systems

• The simultaneous use of all energy systems

• The dominance of one energy system over others

During a 1500-metre race, which energy system is predominantly used?

• ATP-PC system

• Lactic acid system

• Aerobic energy system

• Phosphagen system

What is the role of oxygen in the aerobic energy system?

• To produce lactic acid

• To break down phosphocreatine

• To oxidise glucose and fatty acids

• To synthesise ATP without by-products

Which energy system is most active during a 10-second weightlifting session?

• ATP-PC system

• Lactic acid system

• Aerobic energy system

• Glycolytic system