Best cross fitness training center in annanagar CrossFit: Is It Suitable For All Ages? The average group visible in fitness videos tend to range in age from their late teens to early thirties, so that’s the age group usually associated with fitness work. But that’s not the sole demographic of people who want better mobility, greater strength and more stamina. Every age group benefits from regular physical exercise, and CrossFit focuses on using movements that are natural to everyday living. CrossFit is accessible to people of any age. One focal point of CrossFit is that it’s designed to help people maintain functional capacity past the prime of life. Rather than focusing on producing star athletes who reach their thirties and begin to slide into decline, CrossFit helps maintain that level of mobile ability and functionality. It can help you gain that level even if you’ve never focused on a fitness program in your life. The versatility of CrossFit and how it can be adjusted to create consistent improvement in any age group is what makes it so popular.