General crash, about two and a half months, advanced certificate. Although it is an advanced certificate, it is only a stepping stone to the yoga industry, not a real "advanced". It may take about a year's internship from getting a license to really getting a good class, just like taking a driver's license.
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Matters needing attention
1, warm-up is very important. Don't do difficult movements from the beginning, so as not to cause sports injuries. It is best to do some yoga warm-up exercises first, step by step, to avoid being scared.
2. When practicing, be sure to keep the room relatively quiet and the air must circulate. Don't practice on the soft bed, prepare a yoga mat, and then practice barefoot in pajamas.
3. You don't have to follow the movements of the CD to practice yoga. Practitioners can do as many actions as they can remember, and the order of actions is not immutable. They can do whatever they want, as long as they keep their breathing steady and their mind at peace.
4. When practicing yoga, you must keep breathing 3 ~ 5 times for each movement. After practicing yoga, you should feel happy, not tired or even painful.
5. Don't be reluctant to practice yoga. Yoga doesn't have to be done every day. Only when you are in a good mood and have free time will you get twice the result with half the effort.