Yoga means 'union', and a coming togetherness and oneness. It is an ancient exercise, spirituality, belief system and practice that is used for health, fitness, relaxation, flexibility and peace. There are many forms and practices of yoga, from those that are primarily meditational and spiritual, to those which are aerobic, or flowing or still.Yoga classes are taught in a group environment of 5 and are lead by a trained yoga instructor. Choosing the style of yoga is important, so speaking to the yoga studio or instructor may be a good idea to ensure you are selecting the right class. A yoga class normally lasts 1 hour and incorporates yoga poses, yoga breathing techniques and elements of meditation.