Wendy Bumgardner is a freelance writer covering walking and other health and also fitness topics and also has contended in an ext than 1,000 go events." data-inline-tooltip="true">Wendy Bumgardner

Wendy Bumgardner is a freelance writer extending walking and other health and also fitness topics and also has completed in more than 1,000 go events.

You are watching: Which of the following is a feature of aerobic metabolism?


Tara Laferrara is a certified NASM personal trainer, yoga teacher, and fitness coach. She also created her own online training program, the TL Method.

Your body provides two varieties of metabolism throughout exercise to administer the fuel needed for her muscles. Learn around aerobic and also anaerobic metabolism, exactly how they work, and what it method for you as soon as you exercise.


Anaerobic metabolism is the creation of power through the combustion of carbohydrates in the lack of oxygen. This occurs when your lung cannot put sufficient oxygen into the bloodstream to keep up through the demands of your muscles for energy. It generally is used only for short bursts that activity, together as once you sprint once running or cycle or once you are lifting heavy weights.

When over there isn"t enough oxygen in the bloodstream, glucose and glycogen can not be totally broken down to carbon dioxide and water. Instead, lactic mountain is produced, i m sorry can construct up in the muscles and degrade muscle function.

Aerobic metabolism is the method your human body creates energy through the burning of carbohydrates, amino acids, and fats in the visibility of oxygen. Combustion means burning, i m sorry is why this is called burning sugars, fats, and also proteins because that energy. Aerobic line is offered for the sustained manufacturing of power for exercise and also other human body functions. Instances of practice that use aerobic metabolism include walking, running, or cycle with continual effort.

Your body will frequently switch between aerobic and also anaerobic metabolism during sports and also exercise activities that require brief bursts that sprints and also sustained jogging, such as in soccer, tennis, and basketball.

management Basics

Metabolism describes the processes your body provides to break down nutrients, kind compounds the cells deserve to use for energy and use those compounds to fuel to move functions. Your body secretes enzyme to malfunction food into sugars, proteins, and also fats. Then, every cell of your body have the right to take these in and use lock in aerobic or anaerobic metabolic processes to type adenosine triphosphate (ATP), which is the fuel supplied in the cell.

The calorie from food are burned in this way to create energy in every cell. Your body's as whole metabolism consists of muscle contraction, breathing, blood circulation, preserving body temperature, digesting food, eliminating wastes, and the attributes of the mind and concerned system.

During exercise, you not only boost metabolism in your muscles but likewise in her respiratory and circulatory systems. You require a quicker rate the breathing and also heart price to provide oxygen and also nutrients to your muscles. Your body likewise must work-related harder to stop overheating, such as v sweating.

Anaerobic vs. Aerobic line

Anaerobic metabolism is not as efficient as aerobic metabolism. A molecule that glucose have the right to only create three ATP molecule under anaerobic metabolism, while the produces 39 v aerobic metabolism. ATP is what fuel the muscles.

Anaerobic metabolism have the right to only usage glucose and also glycogen, if aerobic metabolism deserve to also breakdown fats and protein. Intense bouts of exercise in theanaerobic zoneand in the red-line zone through a heart price over 85 percent of her maximum heart rate will an outcome in utilizing anaerobic metabolism to fuel the muscles.

While your body will naturally use the energy pathways the will ideal get the job done, you have actually a an option in just how strenuously girlfriend exercise. Training programs for different sports and tasks are design to do the finest use the aerobic and also anaerobic metabolism.

Lactic Acid and also Exercise

Lactic acid is a by-product of anaerobic glycolysis and anaerobic metabolism, both of i beg your pardon occur during strenuous exercise. Back lactic mountain is used as a fuel by the heart, an excessive amount that lactic acid in her skeletal muscle slows under contractions, avoiding you from keeping peak performance.

When her muscles usage anaerobic metabolism, lactic acid is developed in her muscle cells. Through moderate-intensity exercise, that is able to diffuse out of the cells, however with vigorous muscle contractions it builds up.As you develop up more and an ext lactic acid, your muscles burn and are fatigued.

Often, this is feel in tasks like weight lifting, however you have the right to reach it when running or cycling at a acceleration or uphill. Girlfriend are compelled to ago off and also slow down so her muscles have the right to recover and enable lactic mountain to diffuse the end of the cells. Lactic acid is additional processed by the liver right into glucose to usage for fuel, perfect the cycle.

Anaerobic metabolism produce lactic acid, i m sorry can develop up in the muscle to the point where you "feel the burn." This burn sensation is a typical side impact of anaerobic metabolism.

slowing Lactic acid Buildup

You deserve to improve the point at which lactic acid builds up with specific training programs. Athletes frequently use this to boost their performance. They encompass a regimen of interval or steady-state training that will bring them to your lactate threshold.

It is likewise important to have actually the appropriate diet so her muscles space well-supplied v glycogen for fuel. The lactate threshold is commonly reached in between 50 percent come 80 percent of an athlete"s VO2 max (maximal oxygen uptake). In upstream athletes it can be raised also further, allowing them to put much more effort into their activities.

Aerobic power

In the aerobic metabolic process, the human being body supplies glucose to develop adenosine triphosphate (ATP) molecules. ATP is what fuels your muscles. Anaerobic metabolism, i beg your pardon is provided for vigorous muscle contraction, produces numerous fewer ATP molecules every glucose molecule, so that is much much less efficient.

Aerobic line is part of moving respiration and also involves your cells making energy through glycolysis, the citric acid cycle, and electron transport/oxidative phosphorylation. Over there is thorough chemistry associated in exactly how the body produces power for exercise.

her Body's Fuel

The body supplies aerobic line for power throughout the day come fuel regular activity by the cells, muscles, and also organs. This is why you have abasal metabolic rate, a level the calorie-burning needed just to keep the regular body functions, apart from physical activity calories burned. A living human body is constantly burning some calories, even at rest.

Aerobic line is also why her lungs absorb oxygen to be brought by hemoglobin in the blood to your tissues. The oxygen is provided in aerobic metabolism to oxidize carbohydrates and the oxygen atoms end up attached come carbon in the carbon dioxide molecule that is excreted.

The only byproducts the the process of aerobic line of carbohydrates space carbon dioxide and water. Her body handle of these by breathing, sweating, and also urinating. Contrasted with anaerobic metabolism, which produces lactic acid as well, the byproducts the aerobic line are less complicated to remove from the body. This method less muscle soreness ~ exercise with aerobic metabolism.


Anaerobic exerciseis excellent at a love rate listed below 85% the maximum heart rate and doesn"t usage vigorous muscle contractions. Her body is able to maintain a continuous energy currently by breaking under carbohydrates and fats v aerobic metabolic processes.

At amoderate-intensity level the exercise, you are breathing enough and your muscles" require for ATP is slow and steady sufficient that you can malfunction glycogen into glucose and mobilize stored fat to break down for energy. Girlfriend can additionally take in carbohydrate the the body can use before all of the stores are depleted. Athletes who gain this not correct experiencebonkingor "hitting the wall."


Aerobic exercises use big muscle groups to execute the exact same actions for at the very least 10 minute at a time. This raises her heart rate and also breath price as your body it is provided the oxygen essential to her muscles for aerobic metabolism. This burns sugars and also fats because that energy.

One the the most basic aerobic exercises is walking in ~ abrisk pacewhere you may be breath a tiny hard yet still able to speak in full sentences. Anaerobic go workoutof 30 minutes every day can carry out the encourage level that physical task to promote great health.

Running, cycling, rowing, swimming, cross-country skiing, and cardio exercise machines such together elliptical trainers, stair steppers, rowers, and ski machines deserve to all carry out an aerobic workout.

You can additionally enjoy dancing together an aerobic activity. These tasks can be in either the moderate-intensity or the vigorous-intensity zone and also be aerobic, so lengthy as her heart price doesn't go over 85% of your maximum love rate.

While yoga and also tai chi use aerobic metabolism, they generally don't raise her heart rate enough to be taken into consideration moderate-intensity aerobic exercise.

weight Loss

If her goal is tolose weight v exercise, aerobic line is your friend together it bring away fat out of the fat cells and also burns that to create energy because that the muscles. It likewise burns up the available and stored sugars (carbohydrates) in your cells, so any type of excess won"t it is in processed into fat.

The food that you eat will replenish your available energy stores. If you don't eat much more calories than you burn off, girlfriend won't store extra food calories together fat. Yet you likewise must remember that exercise will develop muscle, so while shedding fat you may also be getting muscle mass.

Verywell Fit provides only high-quality sources, consisting of peer-reviewed studies, to support the facts within ours articles. Check out our editorial process to learn more about how we fact-check and also keep our contents accurate, reliable, and trustworthy.

Milioni F, Zagatto A, Barbieri R, et al. Energy Systems contribution in the Running-based Anaerobic sprint Test. International journal of sports Medicine. 2017;38(03):226-232. Doi:10.1055/s-0042-117722.

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