Most of the Yoga classes being conducted in the United States usually consist of the combination of various physical exercises, different breathing exercises as well as meditation. Such features in the Yoga make it the significantly beneficial sort of exercises especially for the people having some specific health conditions that incorporate heart disease, hypertension, asthma and different back related problems. The various studies on the benefits of Yoga, conducted for the people with various heart related disorders, have shown to have helped such people irrespective of their age groups. Especially, Yoga seems to have been promoting heart health in many ways, such as reducing the high blood pressure levels and enhancing the resistance to psychological exertion.
However, for the persons having different back related problems, have greatly been benefited in terms of strength, flexibility as well as endurance, by the different Yoga postures. It is also admitted that Yoga helps generating relaxation through breathing and various techniques applied for meditation have shown positive results towards having helped people enhanced proactively manage the consistent pain problems like back pains. According to the Hindu philosophy, Yoga is one of the six schools which is thoroughly focusing on meditation. Yoga is considered as the best medium for both physiological as well as spiritual mastery, in India; however, the Yoga has basically become associated with the practice of asanas or the Yoga postures of Hatha Yoga, outside India. For over 5000 years, Yoga has been in wide use as the form of an alternative medication therapy which has the most perfect combination of breathing exercises, physical postures or asanas and meditation.
In the Hindu terminology for the devoted practioner of Yoga is well recognized as the Yogi for masculine genders and Yogini for the feminine genders. Yoga as the medium of spiritual attainments is considered the most sacred act in Hindu religious families and has influenced other religious and spiritual practices through out the world. According to the great Hindu belief there are four basic categories of the sacred Yoga, such as: Karma Yoga, Gyana Yoga, Bhakti Yoga and Raja Yoga. There is a very interesting history of Yoga.
According to the seal from way back in the Indus Valley Civilization, a figure or image is depicted in meditation posture of Lord Shiva Pashupati by the archaeologists who had discovered it. The images of over 5000 years back from the Indus Valley Civilization shows a Yogi sitting in the meditation posture.