Which is more fitness to do stretching and bone pulling exercises and square dancing?

Below 50 years of age (and under the health, sub-healthy on the walk and simple exercise to regulate the body after again) to do bone pulling exercises, over 50 years of age on the square dance it. Bone pulling exercises in favor of physical maintenance (to maintain vitality), square dance in favor of physical coordination to maintain (can also enhance socialization, enrich life), according to different age groups or choose their own appropriate best.