Why it is always advised to sit in meditative pose for meditation. We have seen many hindu Gods and goddess in meditative postures in pictures. Buddha, Master in jainism, hindu sages and many saints are our spiritual heritage who has always been seen in meditative poses. WHY?
Dharana - The concentration. Maharishi patanjali has compiled the yoga sutra on Dharana as "Desha Bhandhashchittasya Dharana". Focussing the chattering mind is necessary whether it is day today life or spiritual life. No work can be accomplished without focus. So lets understand the sutra for better lifestyle.