Inspiratory Muscle Rehab for Childhood Obesity and Asthma

Inclusion Criteria: * Documented informed consent from legal guardian and assent from participant as appropriate. * Children 8 to 17 years of age with obesity (BMI ≥ 95th percentile for age and sex) and mild asthma. * Participants (or parent/guardian) must have access to the internet and an approved smart device/computer. * Child must have a designated caregiver who expresses a commitment to encourage the participant to complete the study procedures. * Participant and legal guardian must speak and read English. * Child is currently taking prescription medicine for asthma (Any type of albuterol or inhaled steroid) Exclusion Criteria: * Prior intubation for asthma * Current self-reported pregnancy or planning to become pregnant. * Have an FEV1 \< 50% of predicted at screening * History of lung surgery in the past two years, * History of pulmonary embolism in the past two years, * Any history of recurrent spontaneous pneumothorax, or pneumothorax in the past 12 months * Current undiagnosed chest pain, * History of inner ear surgery in the past 12 months, * Undiagnosed syncopal episodes in the past two years, * Progressive neurological or neuromuscular disorders or need for chronic O2 therapy. * Inability to complete baseline measurements satisfactorily according to the research coordinator's or PI's judgment. * Any condition in the opinion of the PI that would not allow safe conduct of study procedures (including IMR, MIP testing or step-test), such as a physical disability, recent musculoskeletal injury or illness, current and ongoing evaluation for undiagnosed cardiopulmonary or neurologic symptoms