12PE - Energy Systems

You need your athletes to be able to perform high intensity sprints of 0-10 secs with around 2 mins of recovery between each. Which system should be the focus of your training routine?

• ATP-PC

• Lactic Acid

• Aerobic

What order does the body use the three main macro nutrients (Protein, Carbs and fats) for energy?

• Protein - Carbohydrates - Fats

• Carbohydrates - Protein - Fats

• Protein - Fats - Carbohydrates

• Carbohydrates - Fats - Protein

A removalist takes 20 mins to unload a truck of furniture. He gets about 30 secs - 2 mins rest as he walks back to the truck. It takes him 10 secs-3mins to carry the furniture into the house. Which system is being primarily used?

• Lactic Acid system

• Aerobic System

• ATP -PC system

• A combination of both Aerobic and Lactic acid Systems

The Australian horse racing industry has been rocked by allegations some of its elite trainers took part in the doping of animals before major events including the Melbourne Cup. Known in racing circles as "milkshakes", sodium bicarbonate helps by buffering lactic acid build-up in the muscles if administered immediately before a race. What effect would this have on a horse?

• Increase a horse's stamina

• Decrease a horse's stamina

• Increase a horse's top speed

• Increase the amount of lactic acid built up

a 2km run requires athletes to run the full distance in one continuous effort. Which fitness components are being measured here?

• Aerobic Capacity and Speed

• Aerobic Capacity and muscular endurance

• Anaerobic Capacity and Local Muscular endurance

• Anaerobic Capacity and Local Muscular strength

Which nutrient would most likely be used by the body as a source of energy for a touch player sprinting away from a defensive player in a breakaway try?

• Carbohydrates

• Fats

• Protein

• ATP

Which nutrient would most likely be used by the body as a source of energy for a netball goalkeeper, waiting for the ball to come to their end during a training match

• Carbohydrates

• Fats

• Protein

• ATP

Which nutrient would most likely be used by the body as a source of energy for a marathon runner who had ‘hit the wall’ in the last 2 km of her race

• Carbohydrates

• Fats

• Protein

• ATP

Identify the factors (e.g. physical activities) that determine the type of energy that is used by the body

• the duration of the physical activity

• the intensity of the physical activity

• the number of rest periods

• the athlete’s level of fitness

• All of these are factors

In the context of sport and physical activity, energy is best defined as:

• a person’s ability to participate effectively in a particular sport or physical activity.

• a specialised field of physiology that studies the short-term and long-term effects of exercise on the human body.

• the power derived from fuels and used by the body to perform basic bodily functions and to produce movement.

• the ability to exert maximum force in the shortest amount of time.