Diet & Nutrition

Basic Bodybuilding Terms Every Fitness Lover Must Know

Most beginners start their fitness journey without understanding the basic bodybuilding terms. This is because we are more focused on weights and reps but in the basic bodybuilding terms.
That is why we have decided to cover basic bodybuilding terms so that people can understand how to get the most out of their fitness journey.


The tissue is body material in animals and plants that are made up of large numbers of cells that are similar in form and function.


Muscles are defined as the masses of tissue which are attached to the body and helps in producing movements by tightening and relaxing.


Fat is a protective extra layer of flesh kept under the skin which is naturally oily or greasy.

Example: Butter and olive oil are fats.


An organ is a part of an organism that’s made of a group of two or more tissues that work together to achieve a specific function.

Example: Your lungs, heart, stomach, and brain are all major organs. Your eyes and ears are sense organs, and skin is the largest organ.

Note: Muscle is not an organ because a muscle is just one kind of tissue, and an organ must consist of at least two kinds of tissue to be considered an organ.


A gram is a metric unit of weight where one pound is about 454 grams.

Example: A football is about 400 grams.


A kilogram is equal to a thousand grams. There are a little more than two pounds to every kilogram.


A milligram is one-thousandth of a gram. There are one thousand milligrams in a gram.

Example: A football weighs 40,000 milligrams.


Celsius is a scale of temperature on which water freezes at 0 degrees and boils at 100 degrees.

Note: In the Fahrenheit scale used in the U.S., water freezes at 32 degrees and boils at 212 degrees.


A calorie is a measurement unit of the amount of energy that can be produced by food. One calorie is enough energy to raise the temperature of one kilogram of water by one degree Celsius. Thus, when you’re referring to the calories contained in food, you’re referring to the potential energy stored in the food.

Note: Extra calories taken into the body beyond what is needed to run the body or build muscle can be stored as fat.


A nutrient is a substance that gives a living body something that it needs to live and grow.

Example: Water, fruits, vegetables, and meats all contain nutrients


An element (also called a chemical element) is a substance that cannot be broken down into smaller parts by a chemical reaction. There are over 100 elements, which are detailed on the periodic table, and they are the primary building blocks of matter.

Examples: Oxygen and helium are elements.


A compound is a substance made up of two or more different elements.

Example: Water is a compound made up of the combined elements of oxygen and hydrogen.


To break something down means to separate it into smaller, more basic parts.

Example: Waste that is left out for long enough will break down eventually and become soil.


A molecule is the smallest particle of any compound that still exists as that substance. If you were to break it down any further, it would separate into the elements that make it up (meaning it would no longer exist as that original substance).

Example: Molecules make up cells, which in turn make up the body. The individual molecules of a substance are so small that they can only be seen through a powerful microscope.


An acid is a chemical compound that usually eats away at materials and often tastes sour.


Proteins are naturally occurring compounds that are used for growth and repair in the body and to build cells and tissues. Muscle tissue contains lots of protein. Protein keeps you strong and makes your bones last It is an essential nutrient for life.


Amino acids are very small units of material that protein is built out of.


A gas is a substance that is in an air-like form (not solid or liquid).

Example: Oxygen, helium, and propane are gases at room temperature.


Carbon is a common non-metallic chemical element that is found in much of the matter on earth and in all life.

Example: Coal is mainly made up of carbon as well as ashes that are left after matter is burned. Motor oil, plants, and animals (including humans!) all contain carbon.


Oxygen is a chemical element that is a gas with no color or smell and is necessary for most living things to survive.


Hydrogen is a colorless, odorless gas that is very flammable and is the simplest and most abundant chemical element in the universe.

Example: Water is actually a compound of oxygen and hydrogen. When two units of hydrogen combine with one unit of oxygen then water is formed either as ice (solid), liquid, or steam (gas). That’s why water is known as H2O—two parts hydrogen, one part oxygen.


Carbohydrates are chemical elements composed of carbon, oxygen, and hydrogen. Carbohydrates are important nutrients for energy and for building cells in the body. The word carbohydrate is formed by carbo which means carbon, and –hydrate which means water. It is an essential nutrient for life.

Example: Broccoli, lettuce, apples, bananas, bread, cereal, and sugar are all carbohydrates.


Digestion is the process of breaking down which food so that is can be absorbed and used by the body.


An enzyme is a substance produced by organisms that helps cause specific chemical reactions.

Example: Certain digestive enzymes help to break down food.


This is a series of processes by which molecules from food are broken down to release energy, which is then used to fuel the cells in the body and to create more complex molecules used for building new cells. Metabolism is necessary for life and is how the body creates and maintains the cells that make it up.
If you want to understand basic bodybuilding terms metabolism is the most important to understand.

Note: When the body becomes hungry, one’s metabolism slows down and less energy is released. The longer someone waits between meals, the slower their metabolism goes.


Anabolism is a metabolic process in which energy is used to make more complex substances (such as tissue) from simpler ones.


Catabolism is the production of energy through the conversion of complex molecules (such as muscle or fat) into simpler ones.

Bottom line is that if you understand the basic bodybuilding terms you will be able to reach your goals more quickly.



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