It was then called by the names of Zen etc. Yoga is a complete manual for the destressing of mind as well as the physical body in a very scientific layout. Its philosophy was considered sacred and was kept secret for ages. Traditional meditation Meditation is the mainstay in the process of destressing mind. Various forms have been prescribed with minor variations by various exponents of Yoga in the past.
Some exponents even ask for mental imaginations instead.
The traditional meditation methods fail due to two reasons in particular, leading to inability to get the desired results. To sit crosslegged on the floor for a long time stresses the vertebral column and the muscles in a very short time. Viewing this from the anthropological point of view shall bring out the flaw. The stressed vertebral column and its associated powerful muscles are furthur stressed in the posture adopted in the traditional meditation methods, which does not permit a proper mental concentration. Remember a physically destressed body is a pre-requisite to a stressles state of mind through meditation.