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Health & Fitness > Energy Systems > Flashcards

Energy Systems Flashcards

1
Q

What does the term “anaerobic” mean?

A

It means “without oxygen.”

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2
Q

What type of activities rely on the anaerobic energy system?

A

Short-duration activities lasting between 1 second and 60 seconds, such as sprinting, jumping, or weightlifting.

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3
Q

How does the anaerobic energy system produce energy?

A

It breaks down glucose into energy, with lactic acid as a by-product.

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4
Q

What is the chemical equation for the anaerobic energy system?

A

Glucose → Energy + Lactic Acid.

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5
Q

What is a disadvantage of using the anaerobic energy system?

A

Lactic acid buildup can cause fatigue and muscle soreness.

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6
Q

What is an example of a sport that heavily relies on the anaerobic energy system?

A

100-meter sprint or high-intensity interval training (HIIT).

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7
Q

Why can the anaerobic energy system only be used for short periods?

A

Because it produces energy quickly but cannot sustain this production due to lactic acid accumulation.

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8
Q

What are the main fuel sources for the anaerobic energy system?

A

Glucose

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9
Q

How does training affect the anaerobic energy system?

A

High-intensity training can increase tolerance to lactic acid and improve short-burst energy production.

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10
Q

What happens to lactic acid after exercise?

A

It is transported to the liver, where it is converted back into glucose or broken down.

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11
Q

What does the term “aerobic” mean?

A

It means “with oxygen.”

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12
Q

What type of activities rely on the aerobic energy system?

A

Long-duration, low-to-moderate-intensity activities lasting more than 1 minute, such as jogging, cycling, or swimming.

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13
Q

How does the aerobic energy system produce energy?

A

It uses oxygen to break down glucose and fats to produce energy, with carbon dioxide and water as by-products.

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14
Q

What is the chemical equation for the aerobic energy system?

A

Glucose + Oxygen → Energy + Carbon Dioxide + Water.

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15
Q

What is a major advantage of the aerobic energy system?

A

It provides a sustainable energy supply for prolonged periods.

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16
Q

What are the main fuel sources for the aerobic energy system?

A

Glucose, glycogen, and fats.

17
Q

What is an example of a sport that relies heavily on the aerobic energy system?

A

Marathon running or long-distance swimming.

18
Q

Why does the aerobic energy system take longer to activate than the anaerobic system?

A

It requires oxygen to be delivered to the muscles, which takes time.

19
Q

How does training improve the aerobic energy system?

A

Regular endurance training increases oxygen delivery, improves cardiovascular efficiency, and enhances the body’s ability to use fats as a fuel source.

20
Q

What are the by-products of the aerobic energy system?

A

Carbon dioxide and water.

21
Q

What is the main difference between the anaerobic and aerobic energy systems?

A

The anaerobic system does not use oxygen, while the aerobic system is oxygen-dependent.

22
Q

Which energy system produces lactic acid as a by-product?

A

The anaerobic energy system.

23
Q

Which energy system is used during high-intensity, short-duration exercise?

A

The anaerobic energy system.

24
Q

Which energy system is used during low-intensity, long-duration exercise?

A

The aerobic energy system.

25
Q

Why can the aerobic energy system sustain exercise for longer durations?

A

Because it relies on oxygen and can utilize fat stores for energy, which are abundant.

26
Q

Which energy system is more efficient in producing energy?

A

The aerobic energy system, as it produces more ATP per glucose molecule compared to the anaerobic system.

27
Q

What happens when oxygen is not available during exercise?

A

The body shifts to the anaerobic energy system to meet energy demands.

28
Q

How do the energy systems work together during exercise?

A

The anaerobic system provides quick energy at the start of exercise, and the aerobic system takes over for sustained activity.

29
Q

What type of training improves both energy systems?

A

Interval training improves the anaerobic system, while continuous endurance training enhances the aerobic system.

30
Q

How do energy systems impact overall performance in sports?

A

Efficient energy systems ensure the body meets energy demands, delays fatigue, and improves athletic performance.

Health & Fitness (11 decks)

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