1. Expiratory Muscle Strength Training in Persons With Multiple Sclerosis Having Mild to Moderate Disability: Effect on Maximal Expiratory Pressure, Pulmonary Function, and Maximal Voluntary Cough 
Toni Chiara, PhD, PT, A. Daniel Martin, PhD, PT, Paul W. Davenport, PhD, Donald C. Bolser, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 87, Issue 4, Pages (April 2006)
DOI: /j.apmr
Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2. Fig 1
(A) Labeled phases of cough wave: inspiratory phase, compression phase (minimal flow phase), and expiratory phase. (B) Measured components of cough wave: 1, rise-time (from the end of compression phase to the peak of expiratory flow during the expiratory phase); 2, cough expiratory airflow peak amplitude.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3. Fig 2
Change in MEP from pretrain through to detrain. Significant difference was found between the MS (○) and healthy (▴) groups and across assessments: pretrain to posttrain (⁎) and pretrain to detrain (†). Significant at P<.05.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4. Fig 3
Change in PEF from pretrain through to detrain. Significant difference was found between the MS (○) and healthy (▴) groups and across assessments: pretrain to posttrain (⁎) and pretrain to detrain (†). Significant at P<.05.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions