Assess learners' ability to apply exercise prescription principles (FITT‑VP, progression, intensity monitoring) to design safe, progressive, individualized aerobic, resistance, balance and flexibility programs for sedentary older adults with hypertension, type 2 diabetes, and/or osteoarthritis, including screening, medication and symptom monitoring, BP/glucose responses, joint‑friendly modifications, fall‑prevention strategies, progression criteria, and documentation of safety and outcome measures.