Related Experiment Video
Updated: Feb 3, 2026

Assessment of the Efficacy of An Osteopathic Treatment in Infants with Biomechanical Impairments to Suckling
Published on: February 5, 2019
Helmet Treatment of Infants With Deformational Brachycephaly
Kevin M Kelly1, Edward F Joganic2, Stephen P Beals3
1University of Iowa, Iowa City, IA, USA.
Insights
Cranial orthosis effectively treats deformational brachycephaly in infants, improving skull shape. Younger infants show better outcomes and shorter treatment durations when using this method for positional plagiocephaly.
Area of Science:
- Pediatric Medicine
- Craniofacial Abnormalities
- Biomechanical Engineering
Background:
- Infant cranial deformities range from asymmetric plagiocephaly to symmetric brachycephaly.
- Deformational brachycephaly is often underestimated and incorrectly believed untreatable with orthoses.
- A spectrum of deformational plagiocephaly-brachycephaly exists, with isolated forms at the extremes.
Purpose of the Study:
- To evaluate the efficacy of cranial orthosis in treating isolated deformational brachycephaly.
- To assess the impact of infant age at treatment initiation on outcomes.
- To challenge the notion that brachycephaly is untreatable with orthotic interventions.
Main Methods:
- Prospective study of 4205 infants with isolated deformational brachycephaly.
- Treatment involved custom cranial orthosis.
- Cephalic index was measured to quantify skull shape changes.
Main Results:
- Cranial orthosis achieved an 81.4% improvement in cephalic index towards normal values (95.0 to 89.4).
- Younger infants demonstrated significantly better treatment outcomes.
- Earlier treatment initiation correlated with shorter treatment durations.
Conclusions:
- Cranial orthosis is a successful treatment for isolated deformational brachycephaly.
- Early intervention in younger infants optimizes treatment results and efficiency.
- This study supports the use of orthoses for brachycephaly, correcting previous misconceptions.
Abstract:
Deformation of the cranium in infancy represents a spectrum of deformity, ranging from severe asymmetric yet proportional distortion of the skull in plagiocephaly, to nearly symmetric yet disproportional distortion in brachycephaly. As such, the condition is best described as deformational plagiocephaly-brachycephaly with isolated plagiocephaly and/or isolated brachycephaly being at either ends of the spectrum. Due to its symmetric appearance, deformational brachycephaly is often incorrectly dismissed as being less concerning, and it has sometimes erroneously been reported that brachycephaly cannot be treated successfully with a cranial orthosis. We prospectively report on 4205 infants with isolated deformational brachycephaly treated with a cranial orthosis from 2013 to 2017. These results demonstrate that the orthosis is successful in the treatment of deformational brachycephaly with an 81.4% improvement toward normal (95.0 to 89.4) in cephalic index. We furthermore demonstrate that entrance age influences treatment results, with younger infants demonstrating both improved outcomes and shorter treatment times.
Related Concept Videos
Plastic Deformations
Plastic Deformations
Temperature Dependent Deformation
Deformations in a Symmetric Member in Bending
When the member is segmented into tiny cubic elements, it is observed that the primary stress...
Deformation of Member under Multiple Loadings
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Deformation in a Circular Shaft

