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Simultaneous Measurement of Breathing Kinematics and Surface Electromyography of Chest Wall Muscles during Maximum

Joanna M Clair-Auger1, Liu Shi Gan, Jonathan A Norton

  • 1Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alta., Canada.

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)
|January 16, 2016
PubMed

Insights

This study presents a new protocol for measuring chest wall movement and muscle activity in children during speech tasks. The method reliably captures breathing patterns, aiding in the assessment of speech disorders.

Area of Science:

  • Pediatric respiratory physiology
  • Speech-language pathology
  • Biomedical engineering

Background:

  • Accurate assessment of speech breathing in children is crucial for understanding and treating motor speech disorders.
  • Existing methods may not fully capture the complex interplay of chest wall mechanics and muscle activation during speech.
  • A standardized protocol is needed to ensure reliable and comparable data acquisition in pediatric populations.

Purpose of the Study:

  • To establish a standardized protocol for simultaneously measuring chest wall kinematics and surface electromyography (EMG) in children.
  • To evaluate the feasibility of this protocol in healthy children across different age groups and in a child with cerebral palsy (CP).
  • To assess the protocol's sensitivity to different tasks and participant characteristics.

Main Methods:

  • Developed a protocol for simultaneous chest wall kinematics and surface EMG acquisition.
  • Recruited healthy participants (younger children, older children, adults) and one child with CP.
  • Measured EMG of intercostal, abdominal, latissimus dorsi, and erector spinae muscles during maximum performance and speech tasks.

Main Results:

  • Successfully calibrated EMG signals and reliably detected muscle activation parameters in children.
  • Demonstrated that kinematic and EMG measurements were sensitive to task type, age, and neurological status (CP).
  • Protocol feasibility was confirmed in a pediatric CP case.

Conclusions:

  • Simultaneous kinematics and EMG provide a comprehensive understanding of pediatric speech breathing.
  • This protocol can aid in observing and interpreting clinical outcomes in children with motor speech disorders.
  • The method supports research on treatments aimed at improving respiratory and vocal effort in children.
Abstract

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