12PE | 3.2 - Energy Systems Characteristics

The ATP-PC energy system can be dominant for maximal intensity activities lasting...

• 2-3 seconds

• 8-10 seconds

• 60-75 seconds

• 20-30 seconds

The aerobic energy system will produce the following by-products as a result of the ATP resynthesis process:

• CO2, Heat and water

• H+

• PC

• Lactic Acid

A fatigue/limiting factor for the ATP-PC energy system is...

• Glycogen depletion

• Accumulation of metabolic by-products

• PC depletion

• Heat exhaustion

A fatigue/limiting factor for the anaerobic glycolysis energy system is...

• Glycogen depletion

• Accumulation of metabolic by-products (H+)

• PC depletion

• Heat exhaustion

A fatigue/limiting factor for the aerobic glycolysis energy system is...

• Glycogen depletion

• Accumulation of metabolic by-products

• PC depletion

• Lipid depletion

The most dominant supplier of ATP for max intensity sporting activities lasting 45 seconds of maximal intensities is...

• Anaerobic glycolysis energy system

• Aerobic energy system

• ATP-PC system

The most dominant supplier of ATP for sporting activities lasting over 2 hours (like a marathon) is...

• Anaerobic glycolysis energy system

• Aerobic energy system

• ATP-PC system

The preferred fuel during exercise is...

• Fats

• PC

• Protein

• Glycogen

The preferred fuel during rest is...

• Fats

• PC

• Protein

• Glycogen

The energy system that provides the fastest RATE of ATP production is...

• ATP-PC

• Anaerobic Glycolysis

• Aerobic Glycolysis

• Aerobic Lipolysis