As mentioned above, a stable meditative posture during meditation and https://www.julianalucky.com/post/10-best-yoga-breathing-pranayama-exercises is very important. Why is this so? The fact is that there are five energy currents in the human body: apana-vaya, prana-vaya, udana-vaya, samana-vaya and vyana-vaya. And one of them, which is called “apana-vayu” is in the lower part of the body and it moves downwards.
You’d think you could let it go, but it’s not that simple. Having a downward direction this stream of energy “drags” our consciousness down to the lower chakras, and we start manifesting ourselves through these energy centers, which, as experience shows, usually does not lead to anything good. Therefore, in order to cut off the energy going down, it is necessary to clamp the energy channels. This is done by practicing meditative asana. Also, meditative asana allows you to keep your back straight, which is extremely important during meditation because only then can the energy of the body flow properly. The spine is the physical projection of the central energy channel, the sushumna. Adequate movement of energy in the sushumna is the key not only to successful practice, but also to an adequate life. Therefore a straight spine during meditation or pranayama is 50% of the success of your practice. Otherwise, meditation will be ineffective. This is why regular hatha yoga practice is important, because opening the hips and maintaining a proper level of stretching in this area is necessary in order to sit painlessly in Padmasana for at least 30-40 minutes. If it’s not possible to sit for that long, don’t go into extreme ascesis; simply reduce the meditation time, or, better yet, choose a simpler meditative pose.