Your client Sabrina has been following a cardiorespiratory t…
Your client Sabrina has been following a cardiorespiratory training program. During Week 1-3, she exercised 3 days/week for 20 minutes at moderate intensity, focusing on building initial fitness and habit formation. She’s now in Week 12 (i.e. month 3) and has progressed to 4 days/week for 35 minutes at moderate-to-vigorous intensity, showing measurable improvements in VO₂max and resting heart rate. Based on CR training progression stages, what stages has Sabrina completed, and what should be her focus moving forward?