The aim of the randomized controlled study is to investigate the effects of high-intensity inspiratory muscle training on respiratory strength, balance, and core endurance in American Football (Tackle Football) athletes.
Who can participate
Age range18 Years – 35 Years
SexMALE
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Inclusion Criteria:
* Self-identified male American football athletes
* Ages 18 to 35 years
* Actively participating in team-based training at the time of study enrollment
* Minimum 1 year of organized American football training experience
* Able to perform high-intensity inspiratory muscle training (IMT)
* No history of acute respiratory infection in the past 4 weeks
* Voluntary agreement to participate and ability to provide informed consent
Exclusion Criteria:
* Acute or chronic respiratory disease (e.g., uncontrolled asthma, COPD)
* History of major cardiovascular, neurological, or musculoskeletal disorders affecting performance
* Current rib, spine, abdominal, or core muscle injury
* Diagnosed pulmonary hypertension or unstable cardiac conditions
* Recent surgery (within the past 3 months)
* Inability to correctly perform inspiratory muscle training (IMT) device technique
* Participation in another interventional study within the last 30 days