the shaking... is it like a head tilt, or a shiver or a wobble?

When my big girl struck her tub really hard, she seemed like she was shivering (i assume from shock and probably pain, i felt terrible ). But, spiders and their related morphs (bees, etc) can have what is known as the wobbles or the shakes. It can manifest as something as simple as a head tilt (my big spider female does this on occasion, especially if she's excited) to more severe shaking, to literal corkscrewing (i have seen this in person).

im trying to find a video but its being difficult today