Journals
Publish with us
Publishing partnerships
About us
Blog
Mathematical Problems in Engineering
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Mathematical Problems in Engineering
/
2020
/
Article
/
Fig 10
/
Review Article
Restoration Methods of Respiratory Function for Spinal Cord Injury
Figure 10
Expiratory muscle trainer [
65
]. It sets a pressure threshold through a spring-controlled check valve to enhance expiratory muscle strength.