5 Cardio Step Strength Exercises for Women Over 50 to Build Muscle As we age, maintaining muscle mass and cardiovascular health becomes more important than ever. After 50, women naturally start to lose muscle due to hormonal changes, which can lead to a slower metabolism and decreased strength. What You Need for This Workout Step Platform: A sturdy aerobic step or even a low bench works. I recommend this one! Dumbbells: A medium set—choose a weight that feels challenging by the last few reps but