Pilates by the experts.
The Pilates Rx is a concierge studio unlike any other: every session is led by a licensed medical professional. Based in Somerville, MA, we offer highly personalized pilates infused physical therapy, private Pilates instruction, and pelvic health services in a refined, boutique studio setting.
Every session is fully customized to you—your lifestyle, your goals, and your body’s needs. With over a decade of experience in rehabilitation and Pilates-based movement, our team brings clinical depth you won’t find at a traditional studio.
Whether you’re navigating recovery, entering a new chapter of motherhood, or simply ready to elevate your performance, we’re here to help you do what you love—better.
Trusted by executives and public-facing professionals who value discretion and individualized attention.
ARE YOU NEW HERE?
Try our Intro Offer or get started with one of our signature programs
PHYSICAL THERAPY
The Rx
For the active individual who seems to keep hurting themselves despite trying all the things and are ready to feel better (and move better!) once and for all.
POST-PT PILATES
Momentum
Ideal for anyone navigating life after PT, or seeking smart support for lingering pain and past injuries.
PERINATAL CARE
For the Moms
For expecting moms + new moms who want to keep working out, reduce pregnancy aches + pains, or safely return to working out after baby.
Call us movement optimists.
Your body holds incredible potential at every stage of life—and it’s our belief that movement should empower, not limit you.
You can expect science-backed care blended with the art of precision cueing, leaving no detail left untouched. Through calm, expert-guided sessions, you’ll build full-body alignment, movement confidence, and the kind of long-term strength that changes everything.
MEET YOUR TEAM
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Allie Duffy is a Doctor of Physical Therapy, expert in movement analysis, and comprehensively trained Polestar Pilates instructor. She earned her Doctorate from the University of Connecticut before relocating to Boston, where she specialized in outpatient orthopedics and developed a strong clinical focus on movement dysfunction and performance.
She is the founder of The Pilates Rx, where she integrates physical therapy and Pilates to deliver highly individualized, evidence-informed care that bridges rehab and performance. Allie is known for her precise movement assessment, clinical depth, and ability to translate complex patterns into clear, effective treatment strategies that support long-term change.
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Jessica is a Doctor of Physical Therapy who earned both her Bachelor’s in Rehabilitation Science and her Doctorate from Northeastern University. She has extensive experience in both orthopedic and perinatal care and specializes in helping clients move efficiently, recover fully, and build lasting strength through all stages of life.
She is the founder of The Pilates Rx “For the Moms” program, supporting clients through pregnancy and postpartum with expert, movement-based care that bridges physical therapy and Pilates. Jessica also serves as Clinic Manager at The Pilates Rx, where she leads clinical operations and helps ensure a high standard of individualized, patient-centered care.
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Christina Seng is a Pelvic Health Physical Therapist Clinical Specialist and Certified STOTT Pilates™ instructor. Christina treats pelvic health and sports orthopedic diagnoses. She graduated from Northeastern University, Boston, MA with her Master’s of Physical Therapy. Her clinical work has been in both private and hospital-affiliated outpatient clinics in Boston, San Diego, and Hawaii with orthopedic, Pelvic Health, and sports-related populations. She is a certified pilates instructor comprehensively trained by STOTT Pilates™ and instructed in a private studio in La Jolla, CA and in physical therapy clinics.
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Andrea is a Doctor of Chiropractic with a background in kinesiology and exercise science from Michigan State University. She earned her doctorate from National University of Health Sciences and is comprehensively trained through Polestar Pilates.
Her approach blends hands-on care with movement-based training to help clients build strength, improve mobility, and feel better in their bodies. Andrea is known for her thoughtful, individualized sessions and her ability to support lasting, sustainable results.
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Cate is a Doctor of Physical Therapy, Board-Certified Orthopedic Clinical Specialist, and comprehensively certified through BASI Pilates, with advanced training in dry needling. As a runner herself, she has a deep understanding of the demands of the sport and specializes in helping clients stay active, resilient, and pain-free.
Her approach is precise and highly individualized, combining clinical expertise with movement to support long-term results. Cate is known for her ability to assess and treat the root cause of symptoms, helping clients return to the activities they love with confidence.
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Ally is a Doctor of Physical Therapy who earned her degree from Northeastern University and is comprehensively certified through Polestar Pilates. She specializes in helping clients with low back pain build strength, stability, and confidence in their movement.
Her approach is highly individualized and detail-oriented, blending clinical insight with movement to support lasting results. Ally began her journey with The Pilates Rx as an intern before joining the team full-time, bringing a deep understanding of the practice and its approach to care.
“I started going in for private Pilates lessons to get in shape before my wedding in June and have been continuing afterward.
My body feels much more balanced, and I notice a huge difference in my body awareness.”
“The cueing is simple, direct and super easy to follow. It was a sweaty, yet fun, 50 minutes of an intense full body reformer workout and I finished the session feeling invigorated and rejuvenated!”
MORE WAYS TO MOVE
Take Classes Together
On-The-Go
Access over 100 exercise videos of varying levels both with and without small props. You can replay the videos as many times as you'd like, all on your schedule. Each video is taught by a Doctor of Physical Therapy and new videos are added each week.