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Effect of Muscle Strength on Functionality after Shoulder Tendon Transfer in Brachial Plexus Birth Injury: Is There a

Zeynep Hoşbay1, Gülsena Utku Umut2, Müberra Tanrıverdi3

  • 1Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Biruni University, Istanbul 34015, Turkey.

Children (Basel, Switzerland)
|September 28, 2024
PubMed

Insights

Children with brachial plexus birth injury (BPBI) show greater distal muscle strength after surgery, but this doesn't improve overall function. Rehabilitation should focus on distal joints and bimanual activities for better daily life outcomes.

Area of Science:

  • Pediatric Orthopedics
  • Rehabilitation Medicine
  • Pediatric Physical Therapy

Background:

  • Secondary complications in brachial plexus birth injury (BPBI) stem from reduced upper extremity muscle strength.
  • Comprehensive assessments are vital for understanding structural issues and guiding interventions in children with BPBI.
  • This study examines distal muscle strength, range of motion (ROM), and functionality in children with BPBI post-shoulder tendon transfer.

Purpose of the Study:

  • To investigate the relationship between distal muscle strength, ROM, and functionality in children with BPBI.
  • To compare distal muscle strength between affected and unaffected sides in children with BPBI post-shoulder tendon transfer.

Main Methods:

  • 25 children (aged 4-7 years) with BPBI, at least one year post-shoulder tendon transfer, were included.
  • Muscle strength (elbow, forearm, wrist) was measured using a digital hand dynamometer.
  • ROM and functionality were assessed using a universal goniometer and the Pediatric Evaluation of Disability Inventory (PEDI), respectively.

Main Results:

  • Children with BPBI demonstrated significantly greater elbow, forearm, and wrist muscle strength on the affected side compared to the unaffected side (p < 0.001).
  • No significant correlation was found between muscle strength, ROM, and functionality in the affected extremity (p > 0.005).

Conclusions:

  • Despite improved shoulder function post-surgery, distal joint issues in children with BPBI can impede daily functionality.
  • Rehabilitation programs should incorporate distal joint strengthening, ROM exercises, and bimanual functional activities for children with BPBI post-shoulder tendon transfer.
Abstract

Keywords:
brachial plexusfunctionalitymuscle strengthtendon transferunaffected side

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