The hip socket does not remember trauma as a narrative. It stores it as a movement pattern — an avoidance, a compression, a guarding. Somatic practice is literally teaching the tissue a new story. This is why "just stretch" never fully works.
Feldenkrais lesson 4: differentiation of the jaw, tongue, and eyes. Most people do not realize the jaw and pelvis are neurologically linked. Unclench your teeth. Watch your lower back respond.
There is no such thing as a "tight" muscle in isolation. There is only a nervous system that has decided a particular range of motion is not safe. Stretching the tissue without addressing the neural driver is like turning up the volume to fix a broken speaker.