Splinting during a bowel movement means using your fingers or hand to physically support the perineum, vagina, or area around the anus to help push stool out. It’s a manual technique people use when straining alone isn’t enough to fully empty the rectum. While it might sound unusual, it’s a well-recognized practice among pelvic floor specialists and is more common than most people realize.
How Splinting Actually Works
The basic idea is simple: you apply pressure with one or two fingers to physically assist stool moving through the anal canal. There are a few different ways people do this, depending on what works and where the underlying problem is located.
The most common approach involves inserting a finger into the vagina and pressing backward toward the rectum. This supports the wall between the vagina and rectum, preventing stool from getting trapped in a pocket or bulge. About 59% of women who splint use this vaginal approach. Another 31% press on the perineum (the area of skin between the vagina and anus) from the outside, supporting the tissue during straining. A smaller number, around 10%, apply pressure near the buttock or directly around the anus to help guide stool out.
Michigan Medicine, part of the University of Michigan health system, describes the technique straightforwardly: lubricate one or two fingers, insert into the vagina, and press back against the anus to help push trapped stool out of the anal canal. Some people use a similar approach with a tampon for support.
Why Some People Need to Splint
The most common reason is a rectocele, a condition where the wall between the rectum and vagina weakens and bulges forward. When you bear down to have a bowel movement, the pushing force that should drive stool downward and out instead pushes it forward into that bulge. Stool gets trapped, and no amount of straining moves it along. People with rectoceles often describe the sensation as “pushing doesn’t push it out.”
Rectoceles are surprisingly common. In the Women’s Health Initiative, which examined over 27,000 women, about 18.6% had a rectocele. Not all of them cause symptoms, but larger ones frequently lead to difficulty emptying the bowel, a feeling of incomplete evacuation, pelvic pressure, and the need to splint.
Other pelvic floor disorders can also make splinting necessary. Pelvic organ prolapse, where organs shift downward due to weakened support structures, sometimes affects how the rectum functions. A condition called pelvic floor dyssynergia, where the muscles that should relax during a bowel movement tighten instead, can create a similar sensation of blocked or incomplete evacuation. Interestingly, research has found that the severity of prolapse doesn’t always predict how much trouble someone has with bowel movements. A person with a smaller rectocele can sometimes have worse symptoms than someone with a larger one.
When Splinting Becomes a Concern
Splinting itself isn’t dangerous. It’s a practical workaround, and many people do it for years without complications. But needing to splint regularly is a signal that something structural or functional has changed in your pelvic floor. It’s worth mentioning to a healthcare provider, particularly because the underlying issue can sometimes involve more than one pelvic compartment. Someone with a rectocele may also have bladder prolapse or other pelvic floor changes that benefit from a comprehensive evaluation.
The bigger concern with chronic splinting is that it often goes hand in hand with prolonged straining, incomplete evacuation, and constipation, all of which can worsen pelvic floor weakness over time. Addressing the root cause rather than relying solely on the workaround tends to lead to better long-term outcomes.
How the Underlying Problem Is Diagnosed
If you report needing to splint or feeling like you can’t fully empty your bowels, your provider may recommend imaging to see what’s happening inside your pelvis during a bowel movement. Dynamic MRI of the pelvic floor is one of the most informative tests. It captures real-time images while you squeeze, strain, and evacuate, showing how the pelvic organs move and whether stool is getting diverted into a rectocele or other structural issue. This type of imaging is especially useful before any surgical planning because it can reveal problems in multiple areas of the pelvis that might not be obvious from a physical exam alone.
Treatment Options Beyond Splinting
Treatment depends on what’s causing the problem and how much it affects your daily life. For many people, the first steps are conservative and don’t involve surgery at all.
Pelvic Floor Physical Therapy
Pelvic floor muscle training, often combined with biofeedback, is one of the most effective non-surgical approaches. For people with dyssynergia (muscles that tighten when they should relax), biofeedback teaches you to coordinate your abdominal pressure with pelvic floor relaxation during evacuation. You practice simulated defecation and learn to retrain the sensory signals related to rectal filling. The goal is to restore a natural, effective pushing pattern so that stool moves through the canal without getting stuck or requiring manual help.
For people whose issue is more about weakened structural support, pelvic floor exercises target the strength, endurance, and coordination of the muscles that hold everything in place. These exercises carry no risk and are typically recommended as a starting point regardless of the specific diagnosis.
Dietary and Lifestyle Changes
First-line therapy for associated constipation includes increasing fiber and fluid intake, along with osmotic laxatives if needed. Softer, bulkier stool is easier to evacuate and puts less strain on a compromised pelvic floor. This won’t fix a structural issue like a rectocele, but it can reduce how often you need to splint and make bowel movements less of a struggle.
Surgery
When conservative measures aren’t enough, surgical repair is an option for rectoceles. The most common procedure, called posterior colporrhaphy, reinforces the weakened wall between the vagina and rectum. About 84% of patients report symptomatic improvement after surgery, and 85% say they would recommend the procedure. However, the numbers tell a more nuanced story: objective failure rates (meaning the bulge returns on examination) run around 37 to 42%, and about 15% of patients eventually need a second operation. Adding a biological graft to the repair hasn’t been shown to improve these outcomes. So while surgery helps most people feel significantly better, it doesn’t guarantee a permanent fix, and the decision usually comes down to how much the symptoms are affecting quality of life after other treatments have been tried.