Are you struggling to figure out if you have a Disc Herniation or Stenosis? Or are you worried you aren't doing the SPARK exercises correctly? Or do you have a general question? Send me a video, and I will personally review it.
Purchase your Form Check below. Once your payment is confirmed, you'll receive immediate access to submit your video.
You'll be redirected to a secure form to upload a short video of your movement or ask your question. Don't worry if the video isn't perfect.
Dr. Derry will personally review your video and send you a customized video response detailing exactly what you need to change within 48-72 business hours.
Ensure you are in the right program (Disc or Stenosis) based on your symptom patterns.
Get your form checked on sensitive movements like nerve glides or suspension squats to ensure they are safe.
Get the peace of mind that you are doing the right things at the right time.
Dr. Derry records a customized video response just for you — not a generic template.
This is for you if:
You've been working through the SPARK program and aren't sure if you're doing the exercises correctly
You're unsure whether your symptoms align more with a disc issue or stenosis
You're experiencing a plateau or setback and want professional eyes on your movement
You want direct, personalized feedback from Dr. Derry without an in-person visit
The Revision Sciatica eBook is the complete written guide — the diagnostic framework, the full SPARK protocol, and the science behind every phase. Add it to your order for just $29 when you check out below to pair the written program with your personalized form check.
PT, DPT, OCS • Board-Certified Orthopedic Specialist
Dr. Michael Derry is the author of Revision Sciatica and a Board-Certified, Residency-Trained Physical Therapist with over a decade of clinical experience specializing in sciatica, spinal stenosis, and disc herniation recovery.
He personally reviews every Form Check submission and records a detailed video response — giving you the same level of attention he provides his in-clinic patients.
Stop second-guessing your form. Get personalized feedback from Dr. Derry and know exactly what to change.
Get My Personalized Form Check — $49