Strength training systems are structured programs designed to improve muscle strength and endurance through resistance exercises. These systems often include various methods, such as free weights, resistance bands, and machines, to target different muscle groups. They can be tailored to individual fitness levels and goals, making them suitable for beginners and advanced athletes alike. Common strength training systems include Olympic weightlifting, powerlifting, and bodybuilding. Each system has its unique focus, such as maximizing strength, building muscle mass, or enhancing overall fitness. By following a specific training system, individuals can achieve better results and maintain a consistent workout routine.