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Updated: Oct 31, 2025

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Methods for In Vivo Biomechanical Testing on Brachial Plexus in Neonatal Piglets
Published on: December 19, 2019
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How brachial plexus birth palsy affects motor development and upper extremity skill quality?
1Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Hacettepe University, Ankara, Turkey.
Summary
Neonatal brachial plexus palsy (NBPP) negatively impacts gross motor skills like head control and rolling. Early rehabilitation focusing on upper extremity function is crucial for improving these developmental skills in affected infants.
Area of Science:
- Pediatric Rehabilitation
- Developmental Neuroscience
- Clinical Biomechanics
Background:
- Neonatal brachial plexus palsy (NBPP) is a condition affecting nerve function in infants.
- Gross motor skills and upper extremity function are critical for child development.
- The impact of NBPP on early developmental milestones requires further investigation.
Purpose of the Study:
- To examine gross motor functions (head control, midline crossing, rolling) in infants with NBPP.
- To assess the relationship between these gross motor skills and upper extremity skill quality.
- To understand how injury severity in NBPP correlates with developmental skill deficits.
Main Methods:
- 106 infants (10-18 months) with NBPP were evaluated.
- Narakas Classification determined injury severity.
- Gross Motor Function Measurement (lying and rolling) and Quality of Upper Extremity Skills Test were utilized.
Main Results:
- Increased NBPP injury severity correlated with decreased gross motor capacity and poorer upper extremity skill quality.
- A significant positive correlation was found between gross motor developmental skills and upper extremity skill quality (p<0.0001).
Conclusions:
- Gross motor developmental skills are demonstrably affected by NBPP.
- Neurodevelopmental treatment approaches should integrate interventions to enhance upper extremity skill quality.
- Targeted rehabilitation is essential for improving functional outcomes in infants with NBPP.

