What Reformer Pilates Really Does to Your Body, According to an Expert

by | Apr 13, 2026 | Workouts

Reformer Pilates has gone from niche studio session to mainstream training method, but the conversation around it is still filled with misconceptions. Strip away the hype and what you’re left with is a highly effective, full-body workout that builds deep strength, improves movement and exposes weaknesses you didn’t know you had.

If your core could talk, it would probably tell you to get on a reformer. Not because it’s trending, but because it delivers the kind of stabilising strength that carries over into everything, from how you stand to how you train.

To separate fact from fiction, we spoke to Geraldine Anderson, Head of Group Training at Planet Fitness.

It’s Not Just Stretching

One of the biggest myths is that reformer Pilates is easy or just glorified stretching.

In reality, it’s controlled strength training. Every movement involves pushing or pulling against resistance, returning with precision and maintaining alignment throughout. Done properly, it lights up deep stabiliser muscles that traditional workouts often miss. “If you think it’s easy, you’re probably doing it wrong,” Anderson says.

It Builds Real-World Strength

Reformer Pilates doesn’t just build gym strength. It builds usable strength.

Unlike traditional weight training, which often works muscles in a single plane, reformer exercises challenge your body as muscles lengthen and contract under tension. That means better control, coordination and strength that shows up in everyday life, whether you’re carrying groceries or catching yourself from a misstep.

It’s Not Just for Women or Flexible People

There’s a persistent stereotype that Pilates is only for women, dancers or already-flexible people. That couldn’t be further from the truth.

Reformer Pilates is for anyone who wants to move better. Athletes use it to improve performance. Beginners use it to build a foundation. Even people who lift heavy often discover gaps in their mobility and control once they step onto a reformer.

The Machine Isn’t as Intimidating as It Looks

Yes, the reformer looks complicated at first. But it’s designed to support your body, not work against it.

The spring system helps reduce load on joints while still providing resistance, making it ideal for both strength training and recovery. With proper guidance, learning the machine becomes intuitive. “It’s like learning to drive,” Anderson explains. “It feels impossible until you understand what each part does. Then it clicks.”

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You Don’t Need to Be Fit to Start

Another common misconception is that you need strength or flexibility before trying reformer Pilates.

In fact, beginners often benefit the most. The adjustable resistance makes it accessible at any level, and it’s widely used in injury prevention and rehabilitation because of its low-impact nature.

It Can Support Fat Loss

Reformer Pilates might not burn calories at the same rate as high-intensity workouts, but it still plays an important role in body composition. By building lean muscle, it increases your resting metabolic rate. More muscle means your body burns more energy throughout the day, even when you’re not training.

The Results Go Beyond Aesthetics

The most noticeable changes aren’t always visual.

Many people start reformer Pilates for fitness but stay for how it improves the way they move and feel. Better posture, improved balance, reduced pain and increased mobility are common outcomes. Anderson has seen clients go from struggling with basic movements to moving freely within weeks.

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“Sometimes people who are otherwise strong can’t balance on one leg or move their shoulders properly,” she says. “Then suddenly, they can. That’s the shift.”

Why It All Comes Back to Your Core

At the centre of it all is your core, not just your abs, but the entire system that stabilises your body.

When your core is functioning properly, everything else improves. Strength becomes more efficient. Movement becomes more controlled. Training becomes more effective. “It’s not just about what you can lift,” Anderson says. “It’s about how well you can move.” And that’s where reformer Pilates quietly outperforms expectations.