AJSLP Papers in Press
Published online May 24, 2012
American Journal of Speech-Language Pathology 2012; doi:10.1044/1058-0360(2012/11-0048)

American Journal of Speech-Language Pathology 2012;21:380.

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Article

Effect of Training Frequency on Maximum Expiratory Pressure

Supraja Anand
Nour El-Bashiti
Department of Speech, Language, and Hearing Sciences, University of Florida, Gainesville, Florida

Christine Sapienza
Department of Speech, Language, and Hearing Sciences, University of Florida, Gainesville, Florida
Brain Rehabilitation Research Center, Malcom Randall VA, Gainesville, Florida

Author and Corresponding author: Supraja Anand, MA, Speech Acoustics and Perception Laboratory, 49, Dauer Hall, Department of Speech, Language, and Hearing Sciences, University of Florida, Gainesville, FL 32611, (352) 273-3711, supraja.anand{at}ufl.edu.

Objective: The purpose of the current study was to determine the effects of expiratory muscle strength training ‘frequency’ on maximum expiratory pressure (MEP).

Methods: Twelve healthy participants were randomly assigned to two groups of training frequency (3 days per week and 5 days per week). They completed a four week training program on an EMST trainer (Aspire Products, LLC). Maximum expiratory pressure (MEP) was the primary outcome measure to determine the effect of training frequency.

Results: Participants who trained at three days per week produced equivalent amounts of improvement in MEP as compared to participants who trained at five days per week training frequency. An overall improvement in MEP over the four week training period indicated a 33% increase when the data was collapsed across the two training groups.

Discussion: The effects occurring with respiratory muscle strength training in healthy young adults are likely to be different from those occurring in patient populations. Therefore, the results of the present study suggest exploring the variable of ‘training frequency’ in patient populations. Such knowledge will be informative for designing clinical protocols that are effective and may result in improved treatment compliance for those suffering from expiratory muscle weakness.

Key Words: expiratory muscle strength training, training frequency, maximum expiratory pressure


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