Why RX CrossFit?

Author: Mrs. Aisha Becker  |  Last update: Wednesday, November 5, 2025

In CrossFit, the term “RX” refers to completing a workout exactly as prescribed, without any modifications to the movements or the weights used. When an athlete chooses to go RX, they are choosing to do the workout at the maximum level of difficulty, as intended by the workout's creator.

Why is it called RX in CrossFit?

RX is simply by doing the workout as it is prescribed. That's what RX is. It's like a prescription for medicine. So if I'm doing the workout RX, that means I'm doing it the way that it is written with the weights with the reps, with the timescale, all that stuff.

Should I do RX or scaled?

Go scaled. Not because you can't do RX, but because it will be so much more satisfying to do the workout scaled. You'll actually enjoy it instead of just doing grind work and cursing yourself every missed T2B, coz they get heavy.

What does RX mean gym?

To perform a workout as Rx means

that you completed the workout as written (prescribed) without any modifications to the weight or movements.

What does RX stand for in sports?

RX, which means 'prescribed', is the term used in the CrossFit community, to determine what the workout is meant to look like. For instance, the RX weight and movements for Fran are: 21-15-9. Pull ups and Thrusters at 42.5/30kg.

Why you should STOP trying to Rx CrossFit workouts!

Why are they called RX?

The "Rx" symbol was used as an abbreviation for "recipe" and was commonly placed at the beginning of a prescription to instruct the pharmacist or patient to take certain ingredients or medicines. Over time, the "Rx" symbol evolved from the Latin "recipe" abbreviation.

What does RX mean in workouts?

The technical definition of RX means as prescribed. In other words, if a workout calls for 3 rounds of 20 wallballs at 20lbs, 20 chest-to-bar pulllups, and 20 box jump at 24in, and you did it exactly as written then you completed the workout RX.

What does Rx mean in CrossFit Reddit?

So an RX workout is when you do a workout as prescribed. So basically you do the workout as it is given to you. No scaling and in the amount of time given.

What is the exercise Rx?

Exercise prescription commonly refers to the specific plan of fitness-related activities that are designed for a specified purpose, which is often developed by a fitness or rehabilitation specialist for the client or patient.

What does Rx Plus mean in CrossFit?

Rx Plus, on the other hand, is doing just that and more. To Rx Plus a workout you must make the scheduled session even “harder” by either increasing the weight, reps, range of motion or perform kipping movements strict.

What is CrossFit scaling?

On the other hand, scaling refers to modifying the workout to make it more appropriate for the individual's fitness level, skill level, or injury status. Scaling can involve reducing the weight, decreasing the reps, modifying the movements, or altering the workout's overall structure.

What is the difference between CrossFit and Hyrox?

Endurance vs. Power – HYROX is an endurance-based event with a predictable structure, making it more akin to a hybrid endurance race. CrossFit, on the other hand, often focuses on explosive power and varied, high-intensity movements.

Does scale rx really work?

ScaleRx can be installed on any tank or tankless water heater and connects directly to any ¾” Male NPT Copper, PEX, PVC or CPVC pipe. Testing conducted by IAPMO R&T shows ScaleRx to be 76% effective at preventing limescale deposits on copper heating elements.

What is RX vs scaled?

RX is often best for more experienced CrossFitters who have built up strength, endurance, and technical skill. Scaled: Scale the workout when the prescribed movements are too challenging for you or when you need to adjust the intensity for your fitness level.

What do CrossFitters call their gym?

Box: A box = CrossFit gym. Why are they called boxes? Well, honestly, CrossFit gyms just resemble just big open boxes. Warehouse-esque, so to speak.

What age is CrossFit RX for?

You compete in the Crossfit Open and Rx every WOD as an Athlete under age 40.

What is the meaning of RX?

Rx: A medical prescription. The symbol "Rx" is usually said to stand for the Latin word "recipe" meaning "to take." It is customarily part of the superscription (heading) of a prescription.

What is the RX level in CrossFit?

In CrossFit, the term “RX” refers to completing a workout exactly as prescribed, without any modifications to the movements or the weights used. When an athlete chooses to go RX, they are choosing to do the workout at the maximum level of difficulty, as intended by the workout's creator.

What does RX mean in Hyrox?

When you see someone saying they completed a workout “RX” (as prescribed), it means they did it exactly as it was written — no modifications or scaling. 💪 In CrossFit, we design workouts with a specific combination of weights, movements, and rep schemes to challenge athletes of all levels.

Why is CrossFit called RX?

What does RX mean in Crossfit? RX is effectively short hand for the term 'as prescribed'. The medical world uses a lot of Latin terms and RX is short hand of the Latin for as prescribed! I will give a quick guide to what CrossFit HQ generally programmes as RX male and female weights by movement and rep range.

What does RR mean in CrossFit?

RR: Ring Row. P/U: Pull-up. C2B: Chest To Bar Pull-up. MU: Muscle Up. BMU: Bar Muscle Up.

What is Rx gym?

RxGym: All-In-One Gym Software as Prescribed by Gym Owners.

What does Rx power mean?

RX power, or receive power, is a crucial metric in wireless communication, including technologies like LoRaWAN® and IoT. It measures the strength of the incoming signal as received by a receiving device, such as an IoT sensor or a LoRaWAN® gateway.

What is the rep range for CrossFit?

Consider if the load is intended to be light (more than 20 reps can be completed consecutively), medium (between 6-19 reps can be completed consecutively), or heavy (5 or fewer reps can be completed consecutively). Once the goal rep range of the loading is established, scale athletes to achieve that goal.

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