it depends on how often you stretch and on your body type. in general a long time. You dont want to stretch your muscles too fast or you could get injured.
It depends if you stretch allot you will become flexible quickly but if you don't it will take longer.
an example would be a coati. coatis have long, flexible snouts and tails. they are related o raccoons.
No, it just makes it easier to have long, flexible fingers. Often, people who have played the piano for a long time have long fingers.
Flexible rope
3
People are not going to become smarter in their middle age, but people can always become more educated and can learn to use their intelligence more effectively, no matter what age they are (at least, as long as they are not suffering from Alzheimer's Disease, and that would be unusual in middle age).
The hamstring muscle group will adapt in a few ways with long term aerobic endurance training. One adaptation is that they will become flexible.
The company Flexible Packaging has been in business since 1979. The Flexible Packaging Association was started in 1954 and has an associated magazine called "Flexible Packaging" as well.
about 15 years
I don't understand your question.
There are many kinds of plastic. Some are rigid, or flexible. Some plastics become brittle if frozen and may shatter if dropped, or be damaged by long exposure to sunlight losing their colour. Some plastics, such as used in shatterproof rulers, are flexible enough to withstand being bent by schoolchildren.
It depends on how flexible you already are and howlong you train/week. If you stretch everyday it can vary from 4-5years. Never give up & keep stretching is the key.