Strength From
Your Core.
Precision-driven reformer work targeting core stability, posture, and functional strength on state-of-the-art equipment.
45 min
Session Length
Foundation · Flow · Power · Stretch
Session Styles
20–30 credits
Credit Range
Why Reformer Pilates?
Precision-driven core stability and postural alignment
Low-impact strength building that protects joints
Progressive overload with adjustable spring resistance
Functional strength that transfers to daily life
Origin Story
A Hundred Years of Refinement
Joseph Pilates developed the first reformer in the early 20th century while interned on the Isle of Man during World War I. Working with bedridden internees, he rigged springs to hospital bed frames so they could exercise while recovering, the prototype for what he later called the “Universal Reformer.”
He moved to New York in 1926 and opened a studio with his wife Clara on Eighth Avenue, where dancers, boxers, and performers became its first devotees. George Balanchine and Martha Graham sent injured dancers there. The method, built around breath, control, centering, precision, flow, and concentration, spread quietly through the dance world for fifty years before crossing into mainstream fitness.
The modern reformer keeps every principle Joseph Pilates set out: a carriage that slides on rails, springs that load every move, and a foot bar, straps, and box that turn one machine into hundreds of exercises. What has changed is the engineering, precision bearings, micro-adjustable spring tension, and ergonomic surfaces, and the science. Decades of clinical research now support what dancers always knew: spring-resisted, low-impact loading is one of the most effective ways to build strength without compromising joints.
R1SE's reformers are commercial-grade studio machines built for high-frequency use, micro-adjustable for every body, and serviced regularly so spring tension is honest from session one to session one thousand.
The Vocabulary
Core Reformer Moves
Every reformer session draws from a shared library of classical exercises. You will hear these called by name in our Foundation sessions and beyond.
Footwork
The opening sequence on every reformer session. Lying on the carriage, the feet press the foot bar through parallel, V-position, wide, and heels, warming the lower body, loading the springs, and dialling in alignment from feet through pelvis.
The Hundred
Classical core marker. A pulsing arm beat held over 100 counts (10 inhales, 10 exhales) with legs in tabletop or extended. Builds breath-led abdominal endurance and warms the deep core.
Long Stretch / Up Stretch
Plank-based work with hands on the foot bar and feet on the carriage. Trains shoulder stability, scapular control, and total-body integration through spring-resisted carriage glides.
Short Box
Seated on a padded box with feet anchored, working flexion, extension, side bend, and rotation. Sculpts the obliques and trains spinal articulation under load.
Knee Stretches
Kneeling on the carriage, pulling the carriage in and out with the legs. Builds powerful glute and hamstring activation while challenging core stability against the spring.
Elephant
Standing on the carriage with hands on the foot bar in an inverted V. Lengthens hamstrings while loading the deep abdominals, a signature reformer move.
Long Box / Pulling Straps
Prone on the long box, pulling the straps to engage the posterior chain, mid-back, lats, and rear deltoids. Antidote to forward, screen-bound posture.
Side Splits
Standing with one foot on the foot bar and one on the carriage, spring-resisted abductor/adductor work. Builds frontal-plane strength and balance.
Reformer Terminology
The pieces of the machine itself, in plain English.
Carriage
The padded sliding platform you lie, kneel, sit, or stand on.
Foot Bar
Adjustable bar at the front of the reformer used as a platform for hands and feet.
Springs
Colour-coded resistance: typically heavy (red), medium (blue), light (yellow), and extra-light. Combinations adjust the load through every move.
Headrest
Hinged padded section that supports the cervical spine; raised or lowered depending on the move.
Shoulder Blocks
Pads that anchor the shoulders during supine work to keep the body in place against spring load.
Straps & Loops
Long ropes with handles or foot loops used for upper-body and lower-body work.
Box
Padded wooden box placed on the carriage for short-box and long-box exercises.
Jumpboard
A platform that replaces the foot bar to add plyometric, low-impact cardio.
Why It Works
The Science of Spring-Resisted Loading
Variable Resistance Through Range
Springs load eccentrically and concentrically with a force profile that increases as they stretch. This means muscles are challenged hardest at the point in the movement where they are typically most stable, the opposite of free weights, where load is constant and joint compression highest at the start.
Deep Core Recruitment
The unstable carriage forces transverse abdominis, multifidus, and pelvic floor activation in every move. Studies in the Journal of Bodywork and Movement Therapies show reformer Pilates produces significantly higher deep core EMG activation than mat-based equivalents.
Joint-Sparing Strength
Spring loading bypasses the impact and shear forces that cause cumulative joint stress in barbell training. A 2019 systematic review (de Souza Cavina et al.) found Pilates significantly improved muscular endurance, flexibility, and balance with near-zero injury rates, one of the safest progressive-resistance modalities studied.
Postural Reset
Most reformer work is performed in supine, prone, kneeling, or seated positions that decompress the spine. This reverses the cumulative axial load of sitting, standing, and lifting, one reason members consistently report looking taller within weeks.
Watch: The Science Behind Reformer Pilates
3 Session Styles
Important: Foundation Level Required
All new members must complete a Foundation session before attending Flow or Fit sessions. This ensures you learn correct technique and get the most from every session.
Book Foundation SessionFoundation (Required First)
You must complete a Foundation session before attending any other Reformer Pilates level. Learn the reformer, build core awareness, and establish proper alignment fundamentals.
New to Pilates or reformer - START HERE
Book SessionFlow
Build on your foundation with more complex spring combinations, increased tempo, and advanced sequencing. Foundation level must be completed first.
6+ months experience
Book SessionFit
Challenging full-body sessions with complex choreography, heavy spring work, and advanced movement patterns. Foundation level must be completed first.
Experienced practitioners
Book SessionFind Your Strength
Small group sessions on state-of-the-art Balanced Body reformers. Book your first session today.
Reformer Pilates Knowledge Library
Go deeper on the science, history and repertoire
The Reformer Hub
Every page in the R1SE reformer Pilates library, one place.
ReadThe Science
Core strength, back pain, falls prevention, postnatal recovery, athletic performance, fully cited.
ReadThe Repertoire
Every classical move on the reformer, grouped by series.
ReadEquipment Anatomy
Every part of the reformer, plus Cadillac, Wunda Chair, Spine Corrector.
ReadReformer for Beginners
First-session walkthrough, what to wear, what to expect, common fears.
ReadBecoming an Instructor
The UK qualification map and the R1SE Academy pathway.
Read