What is the recommended frequency for performing muscle-strengthening activities according to additional exercise recommendations?

The recommended frequency for performing muscle-strengthening activities is two or more days a week. This guideline is based on the understanding that muscle-strengthening exercises are crucial for improving overall health, increasing muscle mass, enhancing metabolic rate, and aiding in the prevention of injuries. Engaging in these activities at least twice weekly helps to promote muscular endurance and strength, which can contribute significantly to overall physical fitness and well-being.

Additionally, this recommendation aligns with various health authorities that emphasize the importance of incorporating a variety of activities that target all major muscle groups—such as legs, hips, back, abdomen, chest, shoulders, and arms—on these days. This approach not only helps in building strength but also maintains balance and flexibility in the body by encouraging a comprehensive fitness routine.