Exercise machines are devices designed to help individuals perform physical activities in a controlled manner. They can target specific muscle groups and provide resistance, making workouts more efficient. Common types include treadmills, ellipticals, and stationary bikes, each offering unique benefits for cardiovascular fitness and strength training. These machines often come with adjustable settings to accommodate different fitness levels and goals. Many also feature digital displays that track metrics like time, distance, and calories burned. Using exercise machines can enhance workout routines, making it easier for users to stay motivated and monitor their progress.