There are plenty of Yoga instructors in either dedicated Yoga Studios or Gyms/Fitness centers. You will need to find one close to you and register for classes.
A Yogacharya is a title of respect given to someone who teaches yoga.
The yoga teacher Rodney Yee teaches Gaiam yoga and Living Arts. He released a series of DVDs on this type of yoga in the 1990s, which sold millions of copies.
No she teaches Yoga and Palates.
A female who teaches yoga is known as a yogini. The word is Sanskrit and is derived from the masculine form of the word which is yogi.
Priscilla Patrick, the creator of her own Yoga show on PBS called "Priscilla's Yoga Stretches, is still alive. She currently teaches private classes in a studio located in Columbia, SC.
Asaram Bapu is a Hindu spiritual leader that is still alive today, at age 72. He teaches that One Supreme Conscious exists. Bhakti yoga, karma yoga, and Gnana yoga are all cited as influences.
Robert Verdell is a school teacher in Lansing, Michigan. He also teaches Yoga and women's self-defense through a number of places in the area. I know he had earned a brown belt in Judo a few years ago, I suspect he has earned his black belt since then.
"Rodney Yee is a gymnist, ballet dancer, and yoga instructor. He is located in New York and also teaches classes at his wife's school, Yoga Shanti, in Sag Harbor, NY."
The Yoga Association of Alberta can provide the training you are looking for. Visit them online at: yoga.ca/beateacher.htm
Yogini is a word used to refer to a female master yoga practitioner. The word is a term of respect, and combines the masculine "yogi" and the neutral "yogin."
Yoga accomplishes a healthy body coinciding with a healthy mind. It is about being self-aware, putting the mind in line with the body and vice versa. Many people have eye-opening moments during yoga, such as settling into a pose they never thought they could accomplish; it shows them that they are capable. It also teaches one about patience and good listening. Yoga can aid in meditation and focus. It is the ultimate body-mind workout with amazing health benefits!
No it is not a sign of heart disease. Yoga teaches you to be calm and listen to your body. You have reached a calmness you usually don't reach during the course of a stressful day so you now more aware of your heartbeat. I've learned to control my heartbeats through stress management by breathing exercises (which is also part of Yoga.)