If the ballerina wants to improve her leg extension, she should focus on both flexibility and muscle strength. These two should go together. Flexibility alone or the latter will not help improve extensions. Higher extensions are more dependent on the muscles of your legs.
"When water molecules escape from your frozen food, it is also possible for oxygen molecules to seep in. The oxygen molecules can dull the color and modify the flavor of your frozen product. Food that has freezer burn is safe to eat, but you may find the texture and taste not to your liking."
Source - https://www.loc.gov/rr/scitech/mysteries/freezerburn.html
Answer: 1. Control your stress
2. Lighten your load
3. Exercise
Explanation: we must be a caring upon our health for us to have a better health and life at the same time. We must keep on optimizing our energy through dance and workout inside and outside.