None
Conditions
Interventions
Healthy adults group (The inspiratory pressure will be set to 30%, 40%, 50%, 60%, 70%, or 80% of the subject's maximum inspiratory pressure (MIP), respectively):After eligible subjects are enrolled, a
Sponsors
Shenzhen Second People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Healthy adults with no history of respiratory system diseases. 2. Age = 18 years and < 80 years. 3. Have not undergone chest or abdominal surgery. 4. Have not received any respiratory function training. 5. Signed informed consent form.
Exclusion criteria
Exclusion criteria: 1. Acute myocardial infarction or acute heart failure. 2. Unstable hypertension, arrhythmias, or unstable cardiovascular conditions, such as significant fluctuations in blood pressure and heart rate, poor cardiac prognosis, or the need for vasopressor medications. 3. Acute chest or abdominal pain with evident clinical signs of pulmonary disease. 4. Radiological evidence of pulmonary bullae or hernia. 5. Non-compliance with the experiment. 6. Pregnancy. 7. Vulnerable populations.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diaphragm thickening fraction; | — |
Secondary
| Measure | Time frame |
|---|---|
| Lung function;Sternocleidomastoid muscle activation;Borg score; | — |
Countries
China
Contacts
Public ContactLiu Fang
Shenzhen Second People's Hospital
Outcome results
None listed