In brief
- A January 2026 paper in Pediatric Physical Therapy argues that DMI and Cuevas Medek Exercises should not be presented to families as established treatments, because no controlled studies of either have been published.
- It is a narrative critique — the authors' assessment of the existing literature. It is not a new study. It enrolled no children, tested no intervention, and collected no data.
- DMI's co-founders published a response in the same journal defending the approach's theoretical basis. It did not present new evidence of effectiveness.
- The critique does not establish that DMI doesn't work. It establishes that published proof that it does work is not yet available. Those are different claims.
- A randomized controlled trial comparing DMI with the Bobath approach completed in June 2026. Its results have not been published, and when they are they will tell families more than either of these papers.
A critical review published in Pediatric Physical Therapy in January 2026 concluded that both Dynamic Movement Intervention (DMI) and Cuevas Medek Exercises (CME) lack published empirical evidence and rest on theoretical foundations that run counter to contemporary motor learning principles.
What the review did
The review, published in the peer-reviewed journal Pediatric Physical Therapy (Volume 38, Issue 1, Pages 138–143), examined the published evidence for DMI and CME. It assessed both the theoretical underpinnings of each approach and the empirical research supporting them. The review searched for peer-reviewed studies, conference abstracts, and other published materials on both interventions.
What it found
The authors identified no published randomized controlled trials, cohort studies, or case-control studies on either DMI or CME. For CME, the available evidence consisted of a Chilean journal abstract that described the approach but reported no study outcomes, a single case report of a child with neonatal hypoxic-ischemic encephalopathy, and a nonrandomized comparative study with seven children per group comparing CME to Bobath therapy. For DMI, which was introduced in 2021, the review identified no published empirical evidence beyond a single conference abstract.
The review placed both interventions at Sackett Level 5 — the lowest level on the evidence hierarchy, indicating support from expert opinion alone with no published empirical research.
The review also argued that both approaches rely on reflex-hierarchical models of motor control — an understanding of motor development that has been largely superseded by contemporary motor learning principles. It raised ethical concerns about therapists legitimizing interventions that lack evidentiary support and noted the financial burden on families who pay out of pocket for intensive therapies that may not be covered by insurance.
A response from DMI's co-founders
In April 2026, the same journal published a letter to the editor from the co-founders of DMI Therapy (Volume 38, Issue 2, Pages 335–337). The letter argued that the critique was not grounded in subject-matter expertise and aimed to clarify DMI's scientific foundations. It did not present new empirical evidence for DMI's effectiveness.
What this review does not tell you
This review is a narrative critique, not a new study. It did not enroll any participants, test any intervention, or collect any data. It represents the authors' assessment of the existing literature, not a systematic review or meta-analysis. Another group of researchers with a different perspective could reach different conclusions from the same evidence.
The review also does not address the question of whether DMI or CME might be effective — only that convincing evidence of effectiveness has not yet been published. An absence of evidence is not evidence of absence, though it does mean that no family or clinician can currently point to published research as proof that either approach works. Many newer pediatric therapies share this limitation; DMI and CME are not unusual in having a thin evidence base, but they are unusual in how recently they were introduced and how rapidly they have spread.
The completed randomized trial comparing DMI to Bobath (NCT07238634), which enrolled 58 children with spastic diplegic cerebral palsy and finished data collection in June 2026, has not yet published results. If and when those results appear, they will represent the first controlled outcome data on DMI.
Why it matters for parents
If you are considering DMI for your child, this review is worth knowing about — not because it proves DMI does not work, but because it gives you a realistic picture of where the evidence stands. Some clinics may describe DMI as evidence-based or scientifically supported; this review makes clear that no published research yet meets that standard.
An honest conversation with a provider includes asking what evidence exists, what the limitations of that evidence are, and on what basis the provider recommends one approach over another. A therapist who answers those questions directly is demonstrating the kind of transparency that matters more than any single treatment method.
Sources
- "Where's the Evidence? Challenging Therapists to Stop Legitimizing Dynamic Movement Intervention and Cuevas Medek Exercises." Pediatric Physical Therapy 38(1):138–143, January 2026. DOI: 10.1097/PEP.0000000000001261
- "Letter to the Editor: Clarifying the Scientific Basis and Clinical Relevance of DMI Therapy." Pediatric Physical Therapy 38(2):335–337, April 2026. DOI: 10.1097/PEP.0000000000001294
Nothing here is medical advice, and no single study or review should change your child's care on its own. Discuss anything you read here with your child's pediatrician or therapist.