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Ultimate List of Gym Acronyms and What They Mean

By Keenan Walsh · · Updated

Contents

If you’re a gym-goer, you’ve likely encountered numerous strange acronyms gym buddies use in the fitness community. While these acronyms can sound confusing, they are vital in understanding your workout type and achieving your fitness goals. We’ve assembled seven ultimate gym acronyms that you should know.

HIIT

HIIT stands for High-Intensity Interval Training. It is a type of cardiovascular workout involving short bursts of intense exercise followed by rest or low-intensity exercise. You push hard during the work intervals and let your heart rate come down during the recovery intervals.

The acronym is pronounced as “hit” (phonetically “hɪt” ) and not as “hait” or “hee-it”. While the terminology is widely used in the fitness community, it’s rarely used in regular conversations or sentences outside that context.

Many sessions last 10-30 minutes, making HIIT a good option for people short on time. Beginners can do it at a lower intensity, but build a base of regular exercise first and check with a doctor if you have heart problems or other health conditions.

PR

One of the most common terms you’ll hear in a gym is PR which stands for Personal Record. It’s your best performance or personal achievement in certain workouts. PR can be anything from the maximum weight lifted in a deadlift to the most reps done in a bench press.

The acronym is pronounced with individual letters and sounds like “pee-are”. This terminology is often used in conversations inside the gym or in a fitness camp. Using it among gym bros when discussing personal achievements and milestones is appropriate.

PRs are a great way of keeping oneself motivated and tracking own progress. However, it’s important to use this acronym respectfully and not to brag or belittle others in the gym who may not have hit their PRs yet.

LIT

LIT is the abbreviation of Low-Intensity Training (sometimes used for low-impact training). It revolves around exercises that are easier on your joints and muscles. It's a common starting point for beginners and people returning from an injury.

LIT is pronounced as a whole and sounds similar to the past tense of the verb light. Phonetically it can be represented by “lɪt”. LIT may not be the most popular type of workout among gym buddies, as it is often associated with beginners or those not into bodybuilding.

These workouts build endurance and include activities such as easy cycling, walking, swimming and yoga. For fat loss, a 2021 meta-analysis found interval training and moderate-intensity continuous training produced similar results. HIIT mainly saves time.

AMRAP

The popular acronym AMRAP stands for As Many Reps/Rounds As Possible, a type of workout that involves completing as many repetitions or rounds of an exercise as possible within a set time frame. You should include AMRAP in your workout to challenge your endurance, increase work capacity, and measure progress.

It is best if you pronounce this acronym as “am-rap” not “a-m-r-a-p” or “aim-rap”. The terminology is very popular among fitness fanatics and gym buddies who motivate and challenge each other to improve.

AMRAP is a good way to challenge yourself and set new PRs. Maintaining proper form is the key. Stop a set when your technique breaks down rather than grinding out sloppy reps.

ROM

The term ROM is the abbreviation of Range of Motion. It measures how far your joints can move in a particular direction. It’s used to determine the effectiveness of your exercise as it helps you stretch and contract specific muscles increasing flexibility and strength.

To pronounce ROM, you say each letter separately, “R-O-M”. People in the gym frequently use this acronym to ensure proper form and technique of the workout, especially during weight lifting and dumbbell curls. Even athletes and gymnasts widely use this terminology.

Understanding your range of motion (ROM) means knowing how far a joint can comfortably move. Training through a full, controlled ROM helps you work your muscles fully and can improve mobility.

DOMS

The full form of DOMS is Delayed Onset Muscle Soreness. It’s the soreness and stiffness you feel after a hard or unfamiliar workout, usually peaking 1-3 days later. It's most common after eccentric (lowering) work, and its exact cause is still debated: a 2013 study found soreness peaked 1.5-2.5 days after exercise without the muscle-membrane injury long assumed to cause it.

DOMS is pronounced as “Dahms”. It’s a common topic of conversation among swole mates, particularly those serious about bodybuilding. People mostly use DOMS as a comparison between the intensity of their workouts.

It is common in individuals new to workouts or who recently changed their routines. Although DOMS is often seen as a badge of honor for pushing oneself to the maximum limit, it’s not necessarily a measure of muscle growth or progress. Mild DOMS usually fades on its own within several days. Pain that is severe, lasts much longer or comes with dark urine needs medical attention.

EPOC

EPOC is an acronym that stands for Excess Post-Exercise Oxygen Consumption. It's the extra oxygen your body uses after exercise as it recovers, which also means a small number of extra calories burned.

EPOC is typically pronounced as “ee-pock” though some may argue it’s “eh-pock”. Many fitness enthusiasts even call it the afterburn effect. This terminology is often used in gyms when discussing workout routines that consist of HIIT.

Some people choose workouts that maximize EPOC. However, EPOC adds only a small share of your total calorie burn, so your overall activity and diet matter far more for fat loss.

Learning and understanding the gym acronyms can make you feel like less of an outsider. You can engage in conversation and know what the gym members are discussing. So, incorporate these acronyms and stay healthy and keep working out!

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