OC Hold the Kettle/Zhan Zhuang

There are so many stringent alignment requirements for getting tensegrity throughout the whole body. The easiest way IMO is to just start with the hands, try to figure out how to stretch the fascia with minimal muscular contraction, both in the direction from wrist to fingertips, and also across the width of the palm/back of hand. There's a particular feeling, very much like flat rubber bands being stretched, but only just at the point of holding a rubber band at it's untensioned tautness point and then gently pulling it a little bit more. The first elastic resistance you feel in a rubber band is what it feels like.

To get it throughout the body your alignment needs to be perfect. When the alignment is not perfect, some of your joints are in the wrong position which causes some of your tissues to be in shortened position and their antagonists in lengthened position, leading to excess tension in one part and slack in the other.

Once you get familiar with the feeling in the hands, try to find it in the feet. This entails properly aligning the subtalar joint and spreading the phalanges and metatarsals laterally. It can sometimes help initially to extend at the metatarsalphalangeal joints (raising the toes), but that's just to help exaggerate the feeling.

The next thing is to get it in the legs, from ankle up to coxal joint. To do this start first by gently externally rotating the coxal joints without allowing your feet to move. This should cause your knees to begin to move laterally, but don't allow them go into a varus position. If successful you'll feel tension on the lateral-inferior region of the knee joint -- this is the deep spiral line of the legs. The goal is to be able to create this tautness with minimal muscular contraction. Then you want to balance that tension with the deep front line (still focusing just on the legs) until you can get the tautness feeling in both the outside and the inside. This is done by simultaneously adducting at the coxal joints (without allowing the knees to valgus).

Getting the pelvis into the right position is a big challenge for most people as it requires discerning and independently managing the coxal joints, the pelvis, the sacrum and the lumbar. There isn't any point in giving instructions on that, but the essential goal is to leave the coxals free and neutral while maintaining pelvic neutral position and sacrum slight nutation (i.e. "dropping" the sacrum) without lumbar articulation. The lumbar and thoracic spine must be neutral (meaning definitely no slouching, but also no active extension), and the cervical vertebrae do a simultaneous horizontal posterior glide with distributed flexion to cause the "pluck crown" action. This creates tautness along the superficial back line.

The last step is to incorporate the shoulder girdle, which is what the ZZ arm posture does. The scapulae must be depressed, abducted, protracted and not upwardly rotated, and entirely flat against the thoracic ribcage (no winging). The glenohumeral joint must be firmly depressed and protracted, with just enough internal rotation to create tautness along both the deep/superficial arm lines but without activation of the deltoid. The elbows and wrist both supinate, the wrist also flexes slightly and the hands extend in all directions coronally. The supinations/flexion need to be only as much to create a smooth arc, there must be no hard angles or you will end up with slack on one or more surfaces. This ultimately looks like a spiral arc from GH joint to fingertip.

The end result is distributed tautness along the functional, spiral, and front/back deep/superficial lines. The only ones not directly tautened are the lateral lines since you are in a neutral position relative to the coronal plane, but those regions of the body are still encased by the spiral and functional lines.

Look up "Anatomy Trains" for more info, here's an example: https://structuralbodywork.co.uk/wp-content/uploads/Anatomy-Trains-Myofascial-Meridians.png