Have you ever noticed how even exulted meditative experiences can quickly decay into tamasic (dull) or rajasic (frantic) states of mind? This is because your predominant conditioning (vasana) consisting of millions of subconscious imprints (samskaras) does not simply go away by you thinking good thoughts or superimposing a layer of meditative experiences onto it.
I still find that the basics of forward bending are often poorly understood. Especially the importance of sacrum nutation and active release in forward bending are frequently ignored. Let’s have another look at Pashimottanasana: