What if one exercise sequence could reveal how well your clients connect strength with control?
The Midback Series on the Reformer does exactly that. It distills shoulder work to its essentials, with the carriage providing a base of support as the arms move against resistance while the shoulder girdle is challenged to remain both responsive and steady. Each variation, from Triceps Press to Arm Circles, develops dynamic shoulder stability and progressively strengthens the arms, revealing how well a client can integrate power with control rather than relying on momentum or compensation.
Far from a simple arm workout, the Midback Series functions as both a training progression and a diagnostic tool. The springs expose subtle imbalances while the structured sequence builds endurance, alignment, and coordinated effort. Precision becomes the challenge, and each repetition provides an opportunity to refine stability and strength together.
Watch the Exercise
Merrithew® Lead Instructor Trainer Saulo Ouverney of Sole Pilates in the UK guides the instruction of the Midback Series on the V2 Max™ Reformer, with Kelly, STOTT PILATES® Certified Instructor, performing the exercises.
Key Benefits
- Core Strength & Stability: Engages abdominals and spinal stabilizers to support thoracic flexion while maintaining spinal alignment and controlled, fluid movement.
- Coordination & Motor Control: Encourages neuromuscular efficiency, synchronizing breathing with movement and promoting smooth, integrated motion patterns. Latissimus dorsi, teres major and pectoralis major work concentrically as the arms adduct and eccentrically on the return.
- Full-Body Integration: Progresses from isolated activation to coordinated, whole-body movement of the torso, limbs and core.
- Hip & Pelvic Stability: Activates the hip flexors and pelvic stabilizers as the legs move in opposition to the torso, reinforcing balanced lower-body control.
- Scapular Stability & Shoulder Control: Supports balanced shoulder mechanics and precise scapular motion for safer, more effective arm work.
Midback Series: Essential, Intermediate & Advanced
I. Arms to Side
This exercise emphasizes controlled shoulder abduction and adduction while building core endurance. Begin with one to two springs, increasing spring tension as strength and control improve.
Modified – Stay in Flexion: Maintain thoracic flexion while performing arm abduction and adduction. The spine remains held in a stable, flexed position throughout, challenging the abdominals and shoulder stabilizers to control the torso as the arms move. This continuous isometric engagement reinforces precise upper-body alignment and mindful control, building strength that carries directly into functional, everyday activities.
II. Backstroke Prep
Performed supine on the Long Box with two springs, this variation follows the same arm choreography as the Midback Series Side, with the body elevated above the pulleys. Maintaining consistent thoracic flexion, the small base of support increases demand on the abdominals and challenges the shoulder stabilizers as the arms move against the pull from below. Controlled spinal alignment is required throughout, reinforcing precision and upper-body control while strengthening both arms and core.
III. Backstroke
Using two springs, hold the straps in a salute position with taut ropes. This Advanced exercise requires an integration of the whole body and coordination with the breath, emphasizing precise timing and controlled movement.
Variation – Integrated Arm Movement: In this advanced variation, simultaneous leg and arm movement heightens core engagement and promotes whole-body integration. Each repetition reinforces postural control, alignment, and dynamic stability, providing an opportunity to refine coordination and thoracic-spinal responsiveness.
Cueing Tips
- Progressive Skill Building: Advanced movements are best approached as a conversation between body and control. Break each sequence into its foundational elements and ensure your clients have fully absorbed the essential and intermediate exercises before progressing to advanced. Fluency at every stage enables confident, precise movement as complexity increases.
- Spring Control: Encourage clients to set tension deliberately and move with awareness, particularly during the lengthening phase. Every motion should feel intentional, controlled and safe.
- Active Leg Engagement: Cue clients to maintain long, engaged legs throughout the exercise. Passive legs compromise stability and diminish the effectiveness of the movement. Dynamic leg activation reinforces core and pelvic control.
- Shoulder & Scapular Stability: Emphasize strong, controlled shoulders as a foundation for safe progression, and maintain scapular stabilization so that the shoulders do not elevate or round forward. Proper engagement prevents compensatory patterns and supports efficient, injury-free upper-body mechanics.
- Core & Torso Stability: Maintain imprint and prevent rib cage lift as arms reach up or out. The torso should remain stable and supported by the deep abdominals and pelvic floor, reinforcing spinal alignment during arm and leg movements.
- Movement Quality & Range of Motion: Prioritize precision and controlled execution over maximal extension or flexion. A smaller, stable range of motion is more effective than forcing movement without control or stability.
Tactile Feedback for Core Engagement
Light, intentional hand contact on the ribs can effectively cue core engagement during arm and leg returns. This gentle feedback reminds clients to maintain consistent thoracic flexion and prevents rib flaring, reinforcing spinal alignment and stability throughout the movement. When applied thoughtfully, it enhances proprioception and helps clients move with more precision and control.