Fitness Terms 101

Let’s establish some fitness lingo definitions for you. I remember when I was starting out and hearing all this terms and phrases that I wasn’t quite sure what they meant. I ended up googling a lot of what I heard to research to find out what people were talking about. So here is a list of general fitness terms that should help you out!

Reps – One complete movement of a single exercise. Measured in how many times you do a single exercise in one set; short for repetition.

Sets – A group of reps, or repetitions, completed in a row.

Superset – Set of two exercises that are performed consecutively without any rest time between them

Triset – Set of three exercises that are performed consecutively without any rest time between them

Giantset – Set of four exercises that are performed consecutively without any rest time between them

Circuit – Set of more than four exercise performed consecutively without rest between them

Workout Intensity – How hard the workout or activity is or how much work is being done.

Workout Volume – How many total sets, repetitions, and/or exercises during a workout.

Workout Density – How much volume is done during a time period.

Overtraining – Excessive frequency, volume, or intensity of training, resulting in fatigue (which is also caused by lack of proper rest and recovery).

Delayed-onset Muscle Soreness (DOMS) – Pain or discomfort often felt 24 to 72 hours after intense exercise or unaccustomed physical activity.

Anaerobic – Means training without oxygen. Anaerobic exercise is defined as short duration, high intensity exercise lasting anywhere from merely seconds up to around two minutes. After two minutes, the body's aerobic system kicks in.

Aerobic – For a mode of exercise to be considered aerobic, it should be (a) be rhythmic in nature, (b) use large muscle groups, and (c) be continuous in nature.

Plyometric (Reactive) Training – Exercises that generate quick, powerful movements involving an explosive concentric muscle contraction preceded by an eccentric muscle action.

Concentric – When a muscle is exerting force greater than the resistive force, resulting in shortening of the muscle.

Eccentric – An eccentric muscle action occurs when a muscle develops tension while lengthening; this is known as a “negative” action.

Lateral Movements – A movement moving on the side of the body; left or right.

Abduction Movements – A movement moving away from the midline of the body.

Adduction Movements – A movement moving toward the midline of the body.


If you have any questions or need clarification on any of these terms & definitions, feel free to reach out and Contact Me so that I can clear up any confusion and upgrade this blog as needed!