Resistance training positively impacts overall metabolism by increasing lean muscle mass. More muscle mass results in a higher basal metabolic rate (BMR), which means the body burns more calories at rest. This enhanced metabolic rate plays a crucial role in weight management and can assist in fat loss goals. Additionally, resistance training elevates metabolism post-exercise through excess post-exercise oxygen consumption (EPOC), leading to additional calorie burn. Overall, including resistance training in fitness routines is essential for improving metabolic health and maintaining long-term body composition results.