Inspiratory Muscle Training in Postmenopausal Women

Inclusion Criteria:

• Postmenopausal women (self-report at least 6 years since last menstrual cycle)

• Aged 50-75 years (confirmed by birth date listed on participant's driver license atscreening visit)

• English-speaking

• Body mass index between 25.0 to 39.9 kg/m2

• Able to ambulate without assistance

• Own or have access to a Bluetooth-capable phone or tablet (IOS version 12.0 or lateror Android version 7.0 or later)

Exclusion Criteria:

• Unable to provide informed consent.

• Greater than stage II hypertension (i.e., >159/99 mm Hg)

• Current tobacco use (self-report)

• Habitually exercise training ≥ 2 days per week (self-report)

• Significant orthopedic limitations or other contraindications to strenuous exercise

• Live or work > 80 miles from Bloomington, Indiana

• Anticipated elective surgery during the study period.

• Surgery to the chest or abdomen in the last 6 months.

• Plan to move residence or travel out of the local area during the study period.

• History of heart attack or heart condition.

• Current use of prescription medications that affect heart rate or blood vesseldilation (e.g., systemic b-adrenergic blockers, calcium channel blockers, andhormone replacement therapy).

• Diagnosis of asthma or chronic pulmonary disease.

• Current respiratory infection.

• Diagnosis of an aneurysm in the chest, abdomen, or brain.

• Psychological or social characteristics that would interfere with their ability tofully participate in the study.