The purpose of this study is to determine if the use of a respiratory resistance trainer will increase respiratory muscle strength, improve sleep quality and improve quality of life in individuals with spinal cord injury. Hypothesis: Use of the respiratory resistance trainer will improve respiratory muscle strength, improve sleep quality, and improve quality of life among individuals with spinal cord injury.
Individuals with spinal cord injury experience varying degrees of reduced muscle function. Those individuals with high level spinal cord injury, cervical region, may experience reduced diaphragm function. This reduction in function may affect daytime activities as well as sleep quality. Sleep quality in people with spinal cord injury is considered to be worse than sleep quality in the general population. The use of respiratory resistance training devices has been shown to increase muscle strength in people with spinal cord injury. There have been not studies to document potential improvements in sleep quality among individuals with spinal cord injury following respiratory resistance training.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
1
Inspiratory/Expiratory muscle trainer
Texas State University-San Marcos
San Marcos, Texas, United States
Number of Participants With Improvement in Sleep Quality.
Improvement in sleep quality as defined by: less fragmented sleep, lower apnea hypopnea index (AHI), respiratory disturbance index (RDI) after device use.
Time frame: 10 weeks
Change in Maximum Voluntary Ventilation Using Pulmonary Function Device
Pulmonary function device measures flow rate in liters per minute over a period of at least 12 seconds.
Time frame: 10 weeks
Change in Negative Inspiratory Force Using a Pressure Manometer
Time frame: 10 weeks
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