QUOTE (Porcus @ Nov 11 2012, 02:49) <{POST_SNAPBACK}>
... Even 'non-twisted' ordinary stranded speaker cables often have each channel twisted around itself. I suppose that the spring effect is what makes them more resistant against a jerk (pun intended).
That's a manufacturing issue. The individual strands are twisted to keep them in a round planform so the sheath can be extruded over them