A question from a certified yoga4cancer teacher:
“A student in my Tuesday class just returned after colon surgery and now has a colostomy. She’s thrilled to be back on her mat, but I want to make sure I’m actually keeping her safe — not just avoiding the topic out of nervousness. What do I need to understand about teaching yoga to someone with a colostomy bag?”
Tari’s answer:
Yes — movement is not only safe for most people living with a colostomy, it’s actively encouraged as part of recovery. Walking is typically recommended almost immediately after surgery, and yoga is considered an appropriate activity once a student’s surgeon or ostomy nurse has cleared them for it. The goal isn’t to avoid movement out of caution; it’s to practice intelligent movement — informed by what’s actually happening at the surgical site, not fear of it.
What Is a Colostomy, and Why Does It Matter for Yoga?
A colostomy is a surgically created opening — a stoma — that reroutes part of the colon through the abdominal wall to an external pouch, allowing waste to exit the body when the lower digestive tract can’t function normally. An ileostomy does the same thing higher up, from the small intestine, and a urostomy diverts urine rather than stool. All three involve the same underlying vulnerability for a yoga teacher’s purposes: a surgically altered abdominal wall, with no muscle protecting the stoma itself, and an external appliance that depends on a secure seal.
That combination is why colostomies deserve their own conversation, distinct from other post-surgical considerations like a PICC line or a chemo port. A PICC line raises concerns about the arm and infection risk at the insertion site. A colostomy raises concerns about the core — intra-abdominal pressure, the healing surgical site, and a device that can be physically dislodged or compressed.
The Core Safety Issue: Intra-Abdominal Pressure
Every abdominal surgery — including the one that creates a stoma — weakens the abdominal wall at the surgical site. The medical concern that follows is a parastomal hernia: a bulge that develops when tissue pushes through that weakened area, most often near the stoma itself. Estimates of how common this is vary widely across studies, from roughly one in four to as many as seven in ten stoma patients, depending on how a hernia is defined and how carefully it’s screened for — but every source agrees it is common, and that abdominal pressure management is central to preventing it.
This maps directly onto something already core to the yoga4cancer Method: our teaching on compression and restriction. A seated twist, a bandha (breath lock), or breath retention all work by generating inward, compressive force in the torso. That’s a legitimate and often therapeutic yogic tool — but for a healing or newly formed stoma, uncontrolled intra-abdominal pressure is exactly the mechanism to manage carefully, not ignore. Our own training already flags this in a related context: Downward Facing Dog is noted as a pose that can “affect conditions in the abdomen and torso, like colostomy bags, abdominal tumors, or breast reconstructions” — precisely because of the pressure and positioning it places on the abdomen.
Safety Considerations for Our Teachers
- Get clearance, and get specifics. Before a student with a new stoma returns to class, they should have clearance from their surgeon or ostomy nurse — and clearance for walking is not the same as clearance for core work or inversions. Recovery timelines commonly restrict heavy lifting and strenuous core activity for six to eight weeks post-surgery, sometimes longer.
- Use your Fast Facts process. Ask, privately: What was the surgery? How long ago? Is there still a support belt or garment in use? Has their care team given any specific restrictions? Treat this the same way you would any other post-surgical intake.
- Watch for breath holding. Bearing down or holding the breath during exertion (a Valsalva maneuver) spikes intra-abdominal pressure — this is flagged in stoma-specific medical guidance and lines up exactly with our own caution against breath retention and bandha engagement. Cue continuous, exhale-led breath through any effort.
- Avoid direct pressure on the pouch. Prone poses and deep compressive folds can press directly on the appliance, risking discomfort or a broken seal.
- Suggest emptying the pouch and staying hydrated before class, the same guidance given before any physical activity.
- Don’t touch or adjust near the stoma site without asking first — the same permission-based approach we teach for any surgical site or sensitive area.
- Introduce core work gradually and gently, favoring the kind of low-load stabilizing movement (pelvic tilts, gentle bridges, breath-linked engagement) that stoma-specific medical guidance recommends over classic yoga ab work like Boat Pose.
Poses That Need a Closer Look
| Pose / Practice | Concern | Modification |
|---|---|---|
| Downward Facing Dog | Direct abdominal pressure and inversion of pouch contents | Wall-supported variation, Puppy Pose with support, or omit |
| Seated or Supine Twists | “Squeeze and soak” compression directly on the abdominal wall and stoma site | Keep it gentle and open — length over depth; skip deep-bind variations |
| Prone poses (Cobra, Locust, Sphinx) | Direct pressure on the stoma and pouch; risk to the surgical site and seal | A well-propped Baby Cobra is an option. As is a Supported Bridge or Supported Fish as optional back bends , especially early in recovery |
| Boat Pose / plank holds / core-intensive sequences | High intra-abdominal pressure — the exact mechanism behind parastomal hernia | Gentle, medically aligned core work (pelvic tilts, supported bridges) rather than classic ab-intensive poses |
| Deep Forward Folds | Compresses the abdomen against the thighs and against the pouch | Never a deep forward fold from seated. Support or partially fold. From standing, use a partial fold with hands on thighs, knees bent, and a wider stance. |
A Common Follow-Up: “Can She Do Backbends or Twists at All?”
Yes, with modification and time. The goal isn’t permanent avoidance — it’s sequencing intensity to match healing. In the earliest weeks, favor open, supported shapes and skip deep compression altogether. As a student’s care team clears them for more activity (often in stages, sometimes with a support garment recommended for higher-intensity movement), twists and backbends can be reintroduced gradually, gently, and always without breath holding. This is a case where checking in with the student’s own timeline matters more than a fixed pose list — exactly the kind of individualized judgment Oncology Yoga training asks of every teacher.
Why This Matters More Than It Might Seem
Research on parastomal hernia has turned up something sobering: in one UK survey of over 2,600 people living with a stoma, 82% reported never receiving guidance on abdominal or core exercise after surgery, and 88% weren’t doing any core exercise at all — despite clinical guidelines recommending it. That’s a real gap in post-surgical care, and it’s one a well-informed yoga teacher is unusually well positioned to help close — not by acting as a medical provider, but by offering supported, breath-aware movement in a setting where a student feels safe enough to actually show up.
That’s Ahimsa in practice: not avoiding the topic because it feels outside a teacher’s comfort zone, but actively building the knowledge and exploring ways to serve a student who needs exactly this kind of care.
Have a question about teaching yoga with a specific health condition or medical device? Submit it for a future Ask Tari column.
References
- United Ostomy Associations of America — ostomy.org
- Colorectal Cancer Alliance — Physical Activity with an Ostomy
- North Bristol NHS Trust — Hernia Prevention and Core Exercise
- Russell, S. “Parastomal hernia and physical activity. Are patients getting the right advice?” British Journal of Nursing, 26(17), S12-S18 (2017) — PubMed


