Pilates by the experts.
The Pilates Rx is a concierge Pilates studio offering private instruction, physical therapy and pelvic health services based in Somerville, MA.
Every session is fully customized to you—your lifestyle, your goals, and your body’s needs. Our team is led by Doctors of Physical Therapy with over a decade of experience in rehabilitation and Pilates-based movement.
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.
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.
ARE YOU NEW HERE?
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.
PILATES
The Movement
Perfect for new clients looking to jumpstart their fitness routine with a customized Pilates plan guided by experts in the field.
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.
MEET YOUR TEAM
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Allie Duffy is a Doctor of Physical Therapy, an expert in movement analysis, and a certified Pilates instructor, comprehensively trained by Polestar Pilates. She graduated from the University of Connecticut as a Doctor of Physical Therapy, before moving to Boston to practice physical therapy with a specialization in outpatient orthopedics.
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Jessica received both her Bachelor of Science, Rehabilitation Science and then Doctorate of Physical Therapy from Northeastern University, Boston MA.
Jessica uses the combination of physical therapy and Pilates to encourage mindful movement, address habitual faulty posture and movement compensations, and optimize overall movement health and efficiency.
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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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Katie earned her Bachelor of Science in Behavior & Health from Boston University and went on to receive her Doctorate of Physical Therapy from Tufts University School of Medicine. She is a dedicated and highly skilled physical therapist with a passion for integrating movement science and holistic wellness. She is a comprehensively trained and certified Pilates instructor through Polestar Pilates, specializing in the rehabilitation track.
Click to learn more about Dr. Katie
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Dr. Andrea Ansenberger holds a BS in Kinesiology and Exercise Science from Michigan State University. She earned her Doctor of Chiropractic degree from National University of Health Sciences in Lombard, IL. She is comprehensively trained by Polestar Pilates.
“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.