Energy Systems

The ATP-PC system is utilised during what exercise intensity?

• low intensity (<50% MHR)

• Medium-High Intensity (60-80% MHR)

• High Intensity (90-100% MHR)

• At rest

Which would be the dominant energy system in this physical activity? (Lifting heavy weight)

• ATP-PC System

• Lactic Acid System

• Aerobic System

The anaerobic glycolysis system

• operates without oxygen

• provides energy for about 15 seconds to 2 minutes

• is used for medium-high intensity exercise

• all of the above

• none of the above

The substance that accumulates in the muscle during anaerobic Glycolysis is known as:

• phosphate creatine

• triglyceride

• lactic acid

• ATP

Which of the following fuels can be used to produce energy?

• Carbohydrates

• Proteins

• Fats

• all of the above

• none of the above

The energy system used for a particular activity will depend on the:

• intensity of the activity

• duration of the activity

• both of the above

• none of the above

The burning sensation you feel during and shortly after exercise is largely due to

• Proteins

• Lactic Acid

• Hormones

• Acids

Anaerobic exercises require ______ whereas aerobic exercises require ______.

• No energy, energy

• Energy, no energy

• Oxygen, no oxygen

• No oxygen, oxygen

ATP stands for what?

• Aerobic Tri-potassium

• Adenosine Tri-phosphate

• Adrenaline Twitch Protein

The ATP - PC System usually lasts for how long?

• 8-10 seconds

• 10 seconds - 2 minutes

• 2 + minutes

• 1 hour +