Pilates Shoulder Exercises on the Reformer: A Full Guide

The Best Pilates Shoulder Exercises on the Reformer — And Why Your Shoulders Are Begging for Them

If your shoulders carry the story of your life — the desk hours, the stress, the way you hike the Wasatch with your traps clenched up near your ears — then you already know something needs to change. Pilates shoulder exercises on the reformer are, in my experience, the single most effective way to unravel that tension while building the strength your shoulder girdle actually needs. I’ve watched hundreds of clients in my studio go from wincing during overhead movements to reaching freely, sometimes within just a few weeks. The reformer makes this possible in ways a mat simply can’t.

This isn’t about adding another exercise to your rotation. This is about finally understanding what’s happening in your shoulder complex — and using the reformer’s spring resistance to retrain the whole system.

Why the Reformer Is Uniquely Powerful for Pilates Shoulder Exercises

The reformer does something no other piece of equipment does quite as well: it provides variable, directional resistance while you’re lying down, sitting, kneeling, or standing. For the shoulder — a ball-and-socket joint that relies on muscular stability more than bony structure — this is everything.

Joseph Pilates developed his apparatus — originally called the “Universal Reformer” — in the 1920s, partly to rehabilitate injured soldiers. The shoulder was a primary focus. That legacy lives in every arm spring, every pulling strap exercise, and every kneeling arm series we still teach today.

In my studio, I see the difference spring resistance makes constantly. A client from Draper came to me last year with a frozen shoulder diagnosis. She’d tried bands, free weights, even PT. The reformer let us load her shoulder in supine positions where she could actually relax her upper traps and access her deeper stabilizers. Within eight sessions she had full overhead range back. That’s the reformer’s magic: it meets you exactly where you are.

Top Pilates Shoulder Exercises on the Reformer I Teach Every Week

These are the exercises I come back to again and again in my group and private classes. They work because they address the shoulder from multiple angles — not just the “push and pull” most people default to.

1. Arm Circles (Supine on the Carriage)

Lying face-up with straps in both hands, you draw slow circles with your arms while the carriage stays still. This sounds simple. It is not. The spring tension demands rotator cuff engagement through the full range of motion — internal rotation, external rotation, flexion, extension, and every transition between. I use a light spring here. Control is the point, not effort.

2. Pulling Straps (Prone on the Long Box)

This is the exercise I’d save if I could only keep one. Lying face-down on the box, you pull the straps back alongside your hips, drawing your shoulder blades down and together. It trains scapular retraction and depression — the exact patterns that atrophy when you sit at a computer. Your rhomboids, lower traps, and posterior deltoids all fire together. Most of my clients from Sandy and Lehi who work tech jobs need this desperately.

3. Chest Expansion (Kneeling)

Kneeling on the carriage, pulling the straps straight back with arms by your sides, then holding while you turn your head left and right. This exercise ties shoulder stability into spinal rotation and breath work. It’s a Joseph Pilates original and it’s brilliant. The isometric hold at the bottom is where the deep stabilizers really wake up.

4. Hug-a-Tree

Seated or standing, with springs pulling your arms apart, you bring your arms together in front of you as if wrapping around a wide tree. This targets the pectorals and serratus anterior while demanding eccentric control of the posterior shoulder as you open back up. The serratus anterior is one of the most undertrained muscles I encounter. When it’s weak, the scapula wings, and overhead movements become impingement factories.

5. Kneeling Arm Series with Light Springs

This includes bicep curls, overhead presses, and lateral raises — but all done kneeling on the carriage facing the foot bar. The unstable surface forces your core to stabilize, which means your shoulder can’t cheat by using momentum. It’s a completely different experience from doing the same movements standing on solid ground.

6. Scapular Protraction and Retraction (Plank on the Carriage)

In a long plank position with hands on the foot bar, you let your chest sink between your shoulder blades, then push the floor away. Protraction and retraction. That’s it. Simple movement, profound effect. This is where I rebuild scapulohumeral rhythm in clients who’ve lost it.

What’s Actually Going Wrong in Your Shoulders

Before I prescribe exercises, I want to understand the pattern. In Utah, I see a lot of the same story: people who are active, fit even — skiing Park City in winter, hiking Cottonwood Heights in summer — but who have limited shoulder mobility and nagging pain.

The culprit is almost always an imbalance between the muscles that elevate and internally rotate the shoulder (upper traps, pecs, anterior deltoid) and the muscles that depress, retract, and externally rotate (lower traps, rhomboids, rotator cuff, serratus anterior). The first group is overworked. The second group is underworked. The joint pays the price.

The reformer addresses this directly. Most of the exercises I listed above bias the posterior chain and the stabilizers. That’s intentional. You don’t need more push-ups. You need more pulls, more external rotation, more scapular control.

How to Build a Reformer Shoulder Routine That Actually Helps

Here’s my approach when I design shoulder-focused sessions for my clients:

1. Start with mobility. Arm circles on light springs, slow and controlled. Let the joint warm up in a decompressed position.
2. Train the stabilizers. Pulling straps, chest expansion, scapular push-ups. Focus on the muscles you can’t see in the mirror.
3. Integrate into whole-body patterns. Kneeling arm series, side-lying work, exercises that connect the shoulder to the core and hips.
4. Use appropriate spring tension. Heavier is not better for shoulder work. I use lighter springs more often than clients expect. The lighter the spring, the more the stabilizers have to work.
5. Breathe intentionally. Exhale on the effort. Inhale to expand the ribcage. The diaphragm and the shoulder girdle are intimately connected through fascial lines.

If you’re in the Salt Lake City area and want guidance, I’d love to see you in the studio. You can book a session here — private sessions are the best way to get a shoulder protocol built specifically for your body.

When Pilates Shoulder Exercises on the Reformer Aren’t Enough

I believe in being honest about scope. If you have a labral tear, a full rotator cuff tear, or active inflammatory conditions like adhesive capsulitis (frozen shoulder), you should be working with a physical therapist or orthopedic specialist first. Pilates is extraordinary as a complement to rehab and as a long-term maintenance strategy, but it is not a replacement for medical care when medical care is needed.

That said, I’ve collaborated with several PTs along the Wasatch Front who send their patients to me once they’ve cleared the acute phase. The reformer picks up where PT leaves off — building endurance, refining motor patterns, and restoring confidence in movement. If your provider is open to it, a combined approach is powerful.

What My Clients Say About Their Shoulder Transformations

A client from Utah County told me last month: “I forgot what it felt like to reach for something on a high shelf without bracing.” That sentence stuck with me. Because that’s what we’re really after. Not performance metrics. Not Instagram-worthy flexibility. Just the ability to move your arms freely without thinking about it.

Another client — a rock climber based near Sandy — came in with chronic shoulder impingement. We spent twelve weeks focused on scapular stability and external rotation strength. His climbing improved. His pain decreased. He said the reformer “retaught his shoulders how to work as a team.”

These stories aren’t unusual. They’re what happens when you give the shoulder joint what it needs: balanced strength, full range of motion, and intelligent loading. The reformer delivers all three.

Getting Started with Reformer Shoulder Work in Utah

If you’ve never been on a reformer, shoulder exercises are actually a wonderful entry point. They’re typically done lying down or kneeling, which means your balance isn’t challenged the way it is in footwork or standing series. You can focus entirely on what your shoulder is doing.

I recommend starting with a private session so I can assess your movement patterns and choose the right spring tensions. From there, our group reformer classes always include shoulder work — it’s woven into nearly every session because nearly everyone needs it.

Pilates shoulder exercises on the reformer aren’t a trend. They’re a practice — one rooted in over a century of movement science. If your shoulders have been asking for help, this is where you answer. Come move with me.

— Bianca

Written by Bianca

Bianca is the founder and lead instructor at Alchemize Pilates, a boutique reformer Pilates studio in Salt Lake City, Utah. With comprehensive Pilates certification and years of experience working with clients navigating shoulder injuries, chronic pain, and movement goals along the Wasatch Front, she brings both technical knowledge and deep personal care to every session. When she’s not in the studio, you’ll find her on the trails above Cottonwood. Book a session with Bianca →