What does hitting your target heart zone indicate about your cardiovascular endurance?

Question

that you're not exerting enough effort

that you're effectively boosting your cardiovascular endurance

that you need to slow down

Answer 1

Hitting your target heart zone indicates that you are effectively boosting your cardiovascular endurance. When you maintain your heart rate within this optimal zone during exercise, it suggests that you are working at a level that improves your cardiovascular fitness, enhances endurance, and promotes overall heart health.