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Effects of Respiratory Muscle Training on Tongue Corticomotor Excitability
Sponsor: Université Catholique de Louvain
Summary
The tongue plays a central role in essential oral functions, including swallowing, speech, and upper airway control. Its coordinated interaction with the respiratory system is particularly relevant in clinical conditions such as obstructive sleep apnea and dysphagia. While respiratory muscle training is increasingly used in these contexts, its effects on the neural control of tongue function remain poorly understood. This randomized cross-over pilot study aimed to investigate the acute effects of inspiratory (IMT) and expiratory (EMT) muscle training on tongue corticomotor excitability using transcranial magnetic stimulation. These results will provide novel insight into the neurophysiological mechanisms linking respiratory interventions and oral motor control.
Official title: Effects of a Short Bout of Respiratory Muscle Training on Tongue Corticomotor Excitability in Healthy Adults: A Pilot Study
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
20
Start Date
2024-10-01
Completion Date
2024-12-06
Last Updated
2026-07-30
Healthy Volunteers
Yes
Conditions
Interventions
IMT
An inspiratory threshold loading device set at 50% of the baseline maximal inspiratory pressure (PImax) was used. The training session consisted of five cycles of 20 breaths performed against the device, with a 2-minute rest period between cycles. Each breath consisted of quiet exhalation through the device, followed by a deep and forceful inspiration against the prescribed load.
EMT
An expiratory threshold loading device set at 50% of the baseline maximal expiratory pressure (PEmax) was used. The training session consisted of five cycles of 20 breaths performed against the device, with a 2-minute rest period between cycles. Each breath consisted of quiet inhalation through the device, followed by a deep and forceful expiration against the set load.
Locations (1)
Aarhus University
Aarhus, Denmark