Yogis conjure up images of men who have developed their bodies to such a level, through sustained rigourous training, that they can perform acts which are so extraordinary that the average person comes to the conclusion that it is a dangerous field or that the practice of yoga is not for everyone.
This is understandable when one reads about yogis who can drink acid, stand on one leg continuously for several years, remain unclothed in bitter winter, bury themselves for weeks without food and water, allow bulldozers to drive over them and the list goes on.
To put things in perspective, the vast majority of the world's population cannot and will not be able to take human speed to the extreme as Mr Bolt does but running is generally considered a good form of exercise accessible to all and sundry; the same applies to yoga.
Classic yoga, with a history, philosophy and code of practice which go back thousands of years, has eight distant sub-practices/stages as indicated by the sage Patanjali, who wrote what many consider as the definitive work on yoga. In fact, it was and still remains the only defined and repeatable process for obtaining a mystical experience.
One of its sub-practices, hatha yoga, involves the activation and development of muscles. Many can live out their entire lives without knowing that they possessed them. It is the use of these muscles that allow yogis to perform these spectacular feats.
The practice of hatha yoga is more than mere stretching or physical contortion, as some make it out to be. Rather it involves focussed concentration and controlled breathing in conjunction with contraction and expansion of pairs/sets of muscles. It is mind-body exercise.
So it employs a very different approach from those exercise forms that allow you to do other activities while exercising. Its benefits are so enormous that despite the negative campaign waged and being waged by those with self-serving agendas, it has entered into the mainstream of physical training.
Yoga studios can be found all over the world and increasingly teachers look less and less like the stereotypical yogi: a bearded, skinny, brown man in a loin cloth. Yes, those still exist, but there are several international yoga associations that train and certify yoga instructors and hence the face of the yoga instructor has certainly changed.
The use of yoga as a method for developing fit, strong and attractive bodies is becoming more and more popular if one is to judge from the mushrooming of yoga schools and studios the world over. Yoga, as physical culture, is being used from the average person to supermodels. Its use in weight loss and sustaining the gains obtained is being popularised by methods like hot yoga, an intense form of yoga practised in an elevated temperature environment.
The use of yoga as a therapeutic tool for mitigation and cure of a variety of illnesses is a growing field and studies continue to emerge that point to its tremendous benefits as a complement to medical treatment. This has occurred as a result of a growing awareness of holistic and preventive medicine and the need to cut back on the abuse or overuse of antibiotics.
The reason yoga has been so easily integrated into complementary and holistic medicine lies in the fact that at the basis of hatha yoga is the preposition that a healthy lifestyle requires a holistic approach, one that includes mind-body practices and lifestyle changes.
As yoga continues to spread and be practised for its value in maintaining balanced, strong, healthy and attractive bodies, the emphasis will shift from its initial core mission of preparing the individual to develop and evolve into ethical and spiritual beings to one with an increasing focus on physical culture. The face of yoga will accordingly change. One can only hope that this will not define yoga but rather be viewed as an additional stream of this great and ancient practice.
