Sex Differences in the effecTs of brEaking uP Sedentary Behavior on vascUlar Function in Type 2 Diabetes

Inclusion Criteria: * Age ≥60 years * Postmenopausal (females only, ≥12 months without a menstrual period) * Type 2 diabetes (hemoglobin A1c ≥6.5% and/or previous diagnosis of type 2 diabetes) * ≥6 hours/day sedentary (assessed via IPAQ) * Willingness to abstain from food, caffeine, alcohol and exercise for \>= 24 hours, and tobacco/smoking for ≥12 hours prior to each intervention visit * Ability to speak and read English Exclusion Criteria: * Type 1 diabetes * Uncontrolled hypertension (resting systolic ≥160 or diastolic ≥110 mmHg) * Initiation of hormone therapy or change in hormone therapy dose/frequency/route of administration in the previous 3 months * Renal dialysis * History of deep vein thrombosis (DVT) * Evidence of cognitive impairment that could impact ability to consent and/or participation (Mini-Cog score \<3) * Achieving physical activity guidelines (≥150 minutes of MVPA/week, assessed via IPAQ)) * Physical impairment or disability that interferes with ability to engage in PA (e.g., severe osteoarthritis, lower extremity amputation \[other than toe(s)/partial foot\], use of a walker or wheelchair, etc.), * Unstable medical/psychiatric condition that could impact study participation