How Does Weight Training Improve Cardio Fitness?

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Strength training significantly improves cardiovascular health by lowering disease risks and supporting the heart and blood vessels.

How Strength Training Helps Your Heart
Lowers Blood Pressure: Regular resistance workouts can reduce systolic blood pressure by 6–8 mmHg and diastolic pressure by 4–5 mmHg.
Improves Cholesterol: Lifting weights boosts HDL ("good") cholesterol and helps lower LDL ("bad") cholesterol and blood triglycerides.
Regulates Blood Sugar: Building lean muscle mass improves insulin sensitivity, which helps manage and prevent type 2 diabetes.
Reduces Visceral Fat: Strength training targets harmful deep belly fat and fat stored around organs, cutting the risk of metabolic syndrome.
Decreases Arterial Stiffness: It helps blood vessels dilate and function more smoothly, reducing the overall workload on the heart.